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T-98 / T-18 trans to L134 bellhousing

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Forum Name: Modifications from original
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Topic: T-98 / T-18 trans to L134 bellhousing
Posted By: Greaser007
Subject: T-98 / T-18 trans to L134 bellhousing
Date Posted: 13 Mar. 2019 at 4:37pm
Hi y'all I have been wanting to install a T-98 or T-18 transmission with the 6:1 granny gear mated to the L134 Bellhousing / Engine for years.
Life gets in the way all too often, and it is mostly a Dream.

I am going to begin by saying I Did install a T-18 Ford transmission into my '77 CJ-7 in 1984 using a Novak adapter-kit. ($350.00 back then). I still have the transmission in my CJ-7 and it took me into, and back out of the Rubicon trail for 15-summers. (I have been through the Rubicon 18-summers total).

I have NP 435 transmissions in my shop as spares for the one in my '77 F-350.
I have a T-98 transmission from "supposed" '64 Ford F-250 4x4 pickup, and in February 2017 I picked up a Scout T-18 transmission with straight-thru T-case, which must be a Dana 20 ?   
December 2017, I purchased my current '46 Willys CJ2A with L134 engine and T-90 transmission and pretty stock-ish.

   I have found Falcon's T-18 thread very interesting and I like his expertise and vigor in modifying his input shaft to the T-90 spec.
The only thing I don't like about his choice is to have to bolt the L134 Bellhousing directly to the T-18 transmission face.   And I told Falcon I would start My-Own thread to share My ideas of how I may solve the MYSTERY-MATCH.

   BEAR WITH ME PLEASE !

Below is some photos of my T-98 transmission supposedly out of a "64 F-250.
there is a number stamped on the top surface which is "57" and some other numbers.


Front of T-98 showing the large diameter of the input shaft of 1-3/8" approx.


This photo shows the casting number on the side of the T-98


This is a side-shot of the T-98 trans in all of its Glory (they're Tough).


This shows the number stamping in the top surface driver side-rear corner.


This is the transmission face of the Ford GPW L134 Bellhousing showing bolt holes and outline of the mating-surface.


front face showing the early Ford hole pattern and transmission ears.


This paper template shows how the T-98 trans-face overlays the L134 bellhousing face to determine if new mounting Ears would conflict.

Here is my Thoughts for being able to bolt the T-98 directly to the L134 bellhousing:
   I am going to do a "mock-up" of new cardboard 'ears' to be glue-gunned to my L134 bellhousing and then mount it to the mounting face of the T-98 trans.

   The new Re-purposed L134 bellhousing will have new mounting 'ears' fabbed out of 1/2-inch mild steel bar-stock.   These will be bolted to the T-98 then the T-98 will be indexed into the L134 bellhousing with the pilot hole bored out to fit the diameter of the turned-down Ford front-bearing-retainer.
   Once the T-98 box is indexed into the L134 bellhousing with enlarged pilot, then the new 1/2-inch mounting 'ears' will be mig welded to the bellhousing with nickle wire or other as recommended by my local welding supply.
    If I have to I will incorporate a stifferner web from new 'ears' to the bellhousing for much needed additional support.

   I have searched endlessly for the old Optional "mystery-shaft" that would mate the T-98-to-L134 and with the optinal adapter plate and puffy front bearing retainer.   No, I have not found one Yet, and probably never will.

   I commend Herm for supplying a complete kit for this swap, but there are many of us guys who would rather do this on our own, and I will pursue this re-purpose of old parts and pieces to make this work.

   I am not a machinist, and have never operated a Lathe or Mill.
I have spent a life time doing 4-wheel drive conversions of pickups and vans and Toyota and willys power steering cross-overs and lots of mig welding and oxy-acet torch welding.   Very little brazing though, and I would like to be proficient at brazing, but just really haven't had a need.

    Maybe I should be brazing the new transmission 'ears' onto the cast iron bellhousing for the L134, but I do think, and strongly believe that as directed by my old Mentor Machinist of the early '70's, weld in short stitch, then peen while orange to relieve stresses, then continue with short stitch welds, and peening each pass while orange.   It works really !
    And in 40-years of modifying steering components and welding tie-rods and draglinks and pan-hard rods, I have not had any failures yet.
    
    As soon as I get the cardboard "ears" mocked-up onto the L134 Bellhousing, I will attach some photos.

   As Falcon shows in his T-18 / T-90 thread, I find no choice but to have an existing input shaft modified to fit my specs.
   I have not done any critical measuring for exactly what length I will use for my re-purpose idea, but am going to next find me a machinist locally who feels up to the task of turning-down an imput to meet my needs.
   I may have to call Moser to see about spline cutting as did Falcon.

   Don't hold your breath on this because Life gets in the way every-day. :)

   Len



Replies:
Posted By: Greaser007
Date Posted: 13 Mar. 2019 at 4:58pm
Continuing on here:

Below is the tag on the top cover of my T-18 transmission:


This is supposedly a IH Scout transmission / T-case assembly.
I purchased it from a gentleman in Paradise, California before it Burned.


Photo shows the casting numbers on the driver's side of the t-18


casting numbers of the T-18 top cover


my dirty and uncleaned T-18 transmission / Transfer case assembly


T-18 specs for those interested. note these dimensions are a quick measurement and at this point, I am not doing any Fine-to-the-half-thousandth numbers.


T-98 specs for those interested. note these are rough measurements for my use.

   Remember, if Life gets in the way, it may be a good thing for us old-timers to relish each Sunrise regardless of if we accomplish any tasks or not. :)

   Keep those brains turning, and the wheels spinning !

   Len

   P.S.   I hope more to come in the near future.


Posted By: oldtime
Date Posted: 14 Mar. 2019 at 12:37am
Makes little difference whether you choose to go T98 or T18.

However the T18 is a slightly simplified design yielding slightly increased service life and it has better parts availability.

T98 = 6.40 > LOW
WR T18 = 6.32 > LOW

I can't see the side of your IH T18 but it looks top be early (pre 1979). ???
If so, then you can swap the complete shift tower assemblies between them.
Same basic early vs late restriction concerning swapping of the cases.

Otherwise "VERY" few parts will interchange.
Basically one can swap counter shafts and countershaft bearings but certainly not the cluster gear from T98 to T18.
Little else of any consequence will be a direct swap.

You can easily stick electrode the mild steel onto the bellhousing using AC current and nickel rod.
Use a high nickel content rod (55%) if you plan to machine the welds.
A lower nickel content is acceptable (35%) if you grind the welds.
I would go ahead and mount the whatever transmission case directly onto the bellhousing and then attach the "ears" as desired.





-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Greaser007
Date Posted: 14 Mar. 2019 at 4:22am
Exactly as I have been thinking.

What i am doing here is throwing out ideas that other members can digest, and may have already tossed-around many times in our heads. I am open to suggestions.
   In this concept, I am attempting to fabricate mounting ears to the L134 bellhousing so the T-98 Ford pattern case can be bolted direct to the bell.

   Once the index or pilot hole in the bellhousing is enlarged to match the front bearing retainer, then I would simply bolt the new Ears to the T-98 transmission ears and then set the transmission down into the bellhousing and rotate to satisfaction, and then weld the new Ears to the bellhousing.
After that I would probably have to take the bellhousing to the machine shop to get the mounting face Surfaced.

   My understanding is that the T-18 innards can be installed into the T-98 case.
And then again, not being "up-to-date" on all of the differences between the t-18 and t-98, I cannot do anything until I get the two torn down, which I won't attempt until I get real serious.

    Below is my afternoon Quickie "mock-up":

I overlayed the two faces (the face of the L134 bellhousing and the face of the T-98 Ford case) to compile the new Mounting Ears.




This above photo shows the new Mounting Ears to be welded to the bellhousing after first being bolted to the transmission ears. In my case the bolt holes are 9/16" diameter.

I must admit, I am no expert by any means, and the only benefit I can see of this modification would be to eliminate a front spacer plate similar to the old Optional T-98 to f134 set-up.
   I have always pictured using an adapter plate, and if having to have a long FSJ wagon or long T-98 Ford shaft shortened and re-splined, then they can maybe be cut down to a long enough length to accommodate an adapter plate of 7/8-inch thickness.

   Today, I contacted a local machine shop, and the gentleman said he would not attempt to cut down the splines, because it would damage his tooling. ok.
He was asking how I would remove the temper first. Uhhh, how about a crankshaft grinder ? ?
   So, now I must contact my buddies gear-maker in Portland to see what he has to say.
   I have not made any determinations of critical dimensions, nor have I looked into my options for a throw-out bearing, but I don't forsee any problems with modifying a throw-out fork to my needs after choosing a front bearing retainer, and am hoping to stay with the ford issue. We'll see.

    In the meantime, I have really enjoyed the fine work that Falcon is doing in his machining and modifications which is very similar to the one that he had shown that his buddy compiled. And too, even though Falcon has bolted the bellhousing onto the transmission, I wasn't clear on whether the transmission can be bolted to the bellhousing once the bellhousing is in-place attached to the engine. Or if engine must be installed after the transmission / bellhousing is installed. I am Admiring his expertise big time ! Nice Work.

Attached is an interesting article, and I have read few:
http://www.earlycj5.com/xf_cj5/index.php?threads/my-lengthy-borg-warner-t18-rebuild-thread.105325/page-5

I bookmarked a thread from 2002 or thereabouts in which the guy described the differences internally between the T-18 / T-98 and I plan to put my scout T-18 innards into the Ford T-98 transmission case.

Also, I have been reading about the differences in small-hole and large hole transfer cases and rear bearing adapters for large to small-hole, and have not written down any of this, so you can see my "bookmarks" are getting cluttered.
And my Brain is aching if I try to absorb too much at one sitting.

   
Early Ford GPW bellhousing -   it may have a high content of nickel.

   So, I was going to glue-gun the new Ears to the bellhousing, but that would have been messy, so I just used transparent tape.    hahahaha

   Len


Posted By: Millennium falcon
Date Posted: 14 Mar. 2019 at 9:48pm
Len, Looks like your off to a good start. I got the same response from my local machine shops when I talked to them about the input shaft.... I get the feeling they just dont want to do it.... Yes, they are hard, but not that hard. Carbide and patience and I had my shaft down to size... probably took me two hours. It appeared as though they were case hardened. Once I got under the outer layer it was not nearly as hard. Any "real" shop and machinist should be able to handle that task. I would just use moser. They are no-nonsense.... they know what they are doing and they do it well.....and quickly. 

With my setup the trans and bell will need to be bolted together before installation. This doesn't bother me too much I never heard of pulling the engine or body to change a transmission until this year. Ive changed a few cj2a t90s and I always left the bell attached. The t18 will be a bigger and heavier but I will get her in there.  

Keep up the good work.... I will be following! 


Posted By: oldtime
Date Posted: 15 Mar. 2019 at 12:08am
Your bellhousing mock up looks great !
I see no probs with that.

Quote After that I would probably have to take the bellhousing to the machine shop to get the mounting face Surfaced.
So long as the rear bellhousing face is unaffected I see no reason to have it refaced.

Quote  My understanding is that the T-18 innards can be installed into the T-98 case.
Yes all T98/18  cases can interchange so long as you don't cross between the 1978/1979 design change.

I agree the only advantage to direct mounting of transmission to bellhousing is in saving 7/8" thickness of the adapter plate.
I bolted the standard T98-A into a 3B frame (80" wheelbase) 
The drivetrain length is the absolute maximum possible without effecting the rear propeller shaft angles and the standard rear suspension travel.
The short rear propeller shaft is at maximum possible angle with rear axle able to fully droop and stuff.

Yes jeep used two almost identical rear adapter plates. 
One for small hole cases the other for big hole cases.
The only difference is the diameter of the TC index bore ring.

All CJ T98's  were originally mated to small hole cases.
Some Trucks and Wagoneers had T98 and big hole cases
All T18 were mated to big hole cases.

Yes the head spins until you tear into them and see for yourself...



-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Nothing Special
Date Posted: 15 Mar. 2019 at 12:15am
Originally posted by Millennium falcon Millennium falcon wrote:

Len, Looks like your off to a good start. I got the same response from my local machine shops when I talked to them about the input shaft.... I get the feeling they just dont want to do it.... Yes, they are hard, but not that hard. Carbide and patience and I had my shaft down to size... probably took me two hours....

Interrupted cuts (like cutting away splines) in hardened material are the hardest on cutters.  You need carbide for the hardened steel and carbide hates interrupted cuts (it's brittle and it will chip away).  As you note, taking light cuts is the way to keep the tool from breaking, so you need to take it slow.  Machine shops don't want to take that much time (and you probably wouldn't want to pay the $100(?)/hour shop rate for them to take 2 hours doing it either.  But it can definitely be done if you're willing to take the time (and you could probably get a shop to do it if you tell them to take their time and you'll pay their full rate!).


-------------
Bob

Flatfender wannabe
https://www.thecj2apage.com/forums/nothing-specials-71-bronco_topic42024_post411994.html?KW=#411994" rel="nofollow - '71 Ford Bronco


Posted By: Lee MN
Date Posted: 15 Mar. 2019 at 10:53am
Most machine shops are not into spline or gearcutting, if you locate a shop that specializes in gearcutting they will find no challenge in a project like this, and most likely be very reasonable in price!.

Lee

-------------
               LEE
44 GPW-The Perfected Willys
49 2A
“If you wait, you only get older”
67 M715
American Made Rolling History


Posted By: Millennium falcon
Date Posted: 15 Mar. 2019 at 1:39pm
Moser is a good example of that. They said “sure, seems straight forward” $75 and 48 hours and it was in the mail on its way back to me. Can’t beat that!


Posted By: Nothing Special
Date Posted: 15 Mar. 2019 at 4:41pm
I was only speaking to turning down the existing spline.  That would be straightforward were it not for the interrupted cut on hardened material.  Any machine shop could do this, but they might not think they can make money doing it.

Actually cutting splines, or worse yet, gear teeth, involves tighter tolerances.  A lot of machine shops might not accept a job to make splines (and very few will agree to cut gears).  But as Seth is pointing out, a company that regularly splines shaft can be a good option!


-------------
Bob

Flatfender wannabe
https://www.thecj2apage.com/forums/nothing-specials-71-bronco_topic42024_post411994.html?KW=#411994" rel="nofollow - '71 Ford Bronco


Posted By: Greaser007
Date Posted: 15 Mar. 2019 at 5:04pm
Thanks guys for the support. I feel we are not the only individuals wanting to do this conversion to retain the L134 engine. I just love the sound of the little L134 engine. :)

Bob and Lee:   yep, the interrupted cutting was the machinist's concern.

Seth, whether we attach the bellhousing to the transmission first before the engine or being able to remove the trans from the bellhousing with engine intact is a PIA either way we go. And, IF we get lucky and all works according to plan, we should enjoy years of wheeling before the engine / trans needs to be separated.   
   I went skiing with my buddy yesterday at Mount Shasta (icy - yuck), and we talked about his buddy in Portland, Oregon, who sold his gear-making business 3 years ago, and I forgot to get the fella's phone number to see what he suggests for possible input shaft mods here on the west coast.

   I am going to have to do another "mock-up" of crank in block and flywheel and clutch disc together to check depth dimensions from face-of-bellhousing in to the engine-side face of the splined center portion of the clutch disc to determine my spec for the end of new splines and shaft-snout protrusion.

( in the back of my mind, I am pondering having a new input shaft long enough to allow a front adapter plate to circumvent welding ears onto the bellhousing.
but time will tell ) I haven't persued a CNN machine shop yet for a plate.

   Another thing I haven't investigated in-depth is my choices of throw-out bearing to be used.   This search could get lengthly unless napa has a chart of throwout bearings by size and dimension, like when we purchase bearings.
The interchange world is quite Vast.

   Seth, the nice thing about your bearing retainer adapter is that it utilizes the T-90 throw out bearing and fork. a Plus for not having a "hodge-podge" of bits and pieces.

   Speaking of bits and pieces: it reminds me of my '78 Ford van 4x4 that I converted in 1993. It is kind of a hodge-podge of sorts.   hahahha
Here is a small list of pieces for those interested:
the front axle is a '78 Ford pickup High-Pinion Dana 44 from an F-250.
It came from a totaled Quadra-Van if anyone remembers those. They were built in Salt Lake city I think. And had a real-funky 4-link set-up that I just couldn't relate to. So, after scouring wrecking yards with measuring tape in hand, I discovered that the front leaf springs and hangars off of an early '70's Wagoneer had the correct length of springs eye-to-eye for the Van.
   The Dana 44 has the '86 Chevy 3/4 ton Knuckles, spindles, 8-lug wheel hubs and brake rotors and the chevy Calipers. Nice brakes.
   I then went to Dyna-Trac and ordered a high-mount steering arm to mount to the pass side steering knuckle, then fabbed up crossover steering from O.E.M. Ford and chevy tie rods and drag-links.
   Note, the power steering box on the Van does not have to be changed to accommodate cross-over steering. Kinda nice.   _ _ I drifted

   Years ago there was a Nissan Pathfinder commercial showing the pathfinder flying through the desert with kids heads bobbing in the back seat, and I always related to that commercial when taking the family (3-kids) and dogs to our favorite camping hole on the creek. I would play like we were racing the Baja 1000, and would be tacked out in 2-nd gear highrange flying across our favorite access road, and the rig shuddered so bad from the rough terrain, I thought the front axle would get torn from the chassis. The only parts that failed were the Ball Joints, and they got Hammered. So, Ball joints were replaced on a frequent basis because of the punishment.   such Fun putting the hammer-down and drifting with the kids yelling G0 Dad !

   Today, no mock-ups, but yesterday I began doing some cleaning on the Scout T-18.   As I was shifting the transfer case and playing the with front output yoke on the T-case, I think I may have something going on inside the T-case, because I was feeling more slack in gears than my liking.   Hmm
Further investigation is required, so i'll have to remove the T-case from the T-18 to see what I find. I mostly bought this for the T-18 and not so much for the T-case (D-300 straight-thru) which came with it.

   When I get the outside of the T-18 cleaned, then I will pull the top and count teeth.

   Seems I was reading somewhere that the hole in the front of the T-98 case may have to be enlarged to accept the T-18 front input bearing race ?

   I am not there yet, but maybe Oldtimer or one of you on-the-know can keep us up to date on the slight differences to expect.
   
   Thank you Seth for mentioning the cutting and turning concerns, and as you mention, I am probably best to contact Moser to see what they would be willing to do for me. They will probably have some Good Suggestions.
   ( they will probably say "why don't you just buy a Terra-Low for the D18 transfer case and retain the T-90." ) hahahaha

   The more I look at he Hulk of the T-18, it is Big and overwhelming.
And the little T-90 with D-18 T-case with Terra-Low gears makes sense.
   What Challenge would that be. right !    hahahaha

   More later and to be continued _ _ _

   Len

   

   


Posted By: oldtime
Date Posted: 15 Mar. 2019 at 9:52pm
Quote Seems I was reading somewhere that the hole in the front of the T-98 case may have to be enlarged to accept the T-18 front input bearing race
No both the T98 and T18 use series 308 bearings at front and rear.


-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Millennium falcon
Date Posted: 17 Mar. 2019 at 2:17am
Len, yes a t-90c and terra low gears would be a simple and quick way to get lower gearing. I thought about doing that.... but a t18 even with the stock 2.43 transfer gears is still a deeper low gear. I also like that second gear on the T18 which I use like first gear on the t90 is synchronized so you don’t have to come to a complete stop like you do going into first on a t90.... also T18’s don’t pop out if second gear! Haha!  It you are right, they are big and heavy and clunky.....but that’s part of the fun!


Posted By: Greaser007
Date Posted: 18 Mar. 2019 at 3:17pm
Monday, March 18, 2019 _ _ _ T-18 Day !! yeay

Well, I try to keep inspired, and did do some cleaning-up on the Scout T-18 on Sunday, then drove to my dad's to go on a field-trip.

   I have not yet submersed my brain with the Transfer-Case end result, but my thoughts behind my use of the Scout internals being put into the Ford T-98 case will allow the Ford case to bolt to the new "ears" to be welded to the L134 bellhousing for compatibility (after having the L134 bellhousing bored to accept the diameter of the T-98/T-18 front bearing retainer).

   My Ultimate Plan for Transfer Case:

I want to utilize the offset rear transfer-case propeller-shaft setup. So, not being familiar with my options yet, I am thinking there may be someone who has made a rear 0utput option for the Dana 300 Transfer case.
   Please chime-in with ideas and thoughts for this.   I am thinking that several of you guys have maybe researched the possibilities for which transfer case may be the best option to consider bolting to the rear of the T-98/T-18 transmission.

   So, guys, would the Transfer-case from an early wagon have the large-hole transfer case ?
   I picked one from either a pickup or wagon which came with a T-90 3-speed, and I am thinking this may be the large-hole transfer case.
( I have not separated them yet ). So I don't know what I have got yet.
And, last year, I picked a T-90 with T-case and Warn rear-shift Overdrive unit.
This is set-up with the chevy input and advance adapter for the Dauntless V-6.
I have not separated these yet either. ( I am afraid of getting too many pieces and parts scattered about. And with all of the attempt at trying to absorb all of the details of this compilation _ _ my Brain is Muddled ! :)

Below is a link for some good reading about the T-18 and T-98 transmissions:

https://www.jeepfan.com/tech/jeeptech/transmission-factory-t98.htm" rel="nofollow - https://www.jeepfan.com/tech/jeeptech/transmission-factory-t98.htm

After having a T-18 in my '77 CJ-7 with the 304 V-8 (an easy swap w Novak), for 34-years now, I have not had any problems or failures with the setup.
There is One-Big-Benefit: very little stress on the clutch Disc.
My last year to run the Rubicon jeep trail was 2001, and on that trek, I braved the trail with no belly skid plate, and sure enough came down hard on the output end of my Transfer-case and it knocked the front mating seal loose, so I pulled the t-case and transmission for an 18-year inspection of parts.
What I found was that everything looked to be intact, and upon pulling the bellhousing off and the clutch cover and disc, except for normal wear, the disc was smooth and definitely worth re-installing. The 6:1 granny gear is very user-friendly on the clutch with very little slipping required.

   Seth, you're going to be very fond of your transmission swap !
And this is why I am perusing putting the T-98/T-18 behind the L134 engine.

The crossmember I fabbed-up for my T-18 install into my CJ-7 is out of 2x2x1/4 wall tube steel and replaces the original stamped steel belly-pan.
The skid-plate bolts onto tabs welded to the tube-steel with a curve up on front and rear alike to slide up-and-over knuckle-head-rocks. The front has a removable brace where it is notched to clear the front driveline.
    I will have to dig out my skid plate, which hasn't been on the jeep for several years.   Locally, I just don't have obstacles like what the Rubicon trail dishes out. That Rubicon trail is punishing on man and machine _ _ unless the machine has been dealt a few nice features like power steering and 6:1 crawler-gears.   And like Seth reminded us, the 2nd gear (1st-in T-90) in the T-18 is synchronized which is a treat.

My first year through the Rubicon, 1983, I met an old-gray-haired guy (he looked old), driving a super-clean '48 flattie with 350-chev and a 6:1 granny trans, which his was probably an SM 420. He was taking the side-trail to the north around the Little-Sluice-Box, and creepy-crawled up and over through the trees, and didn't appear to strain a knuckle. We had a very inspiring talk about the granny transmission gearing and tossing rocks. One of his first words of Advice to a successful trek through, was to not listen to your buddies when the tell you to "get-back-and-put-the-hammer-Down".    His Advice was that when all forward momentum Stops, to then calmly shut off the engine, look closely underneath the jeep, and toss a few rocks to save stress on equipment.
His stealth-black flat-fender was shiny and straight. Quite an Inspiration.

Note: the following Thread I use as my "Portal" to the CJ2A forums page:

https://www.thecj2apage.com/forums/topic1098.html

   More to come, and feel free to share thoughts or helpful Links guys & gals.

   Len


Posted By: Greaser007
Date Posted: 18 Mar. 2019 at 6:45pm
The following article explains that the later 70-something T-18's have reverse in the "over-an-down" position. I am wanting that for my build !

https://www.off-road.com/jeep/tech/jeep-transmissions-t98-t18-t18a-19793.html" rel="nofollow - https://www.off-road.com/jeep/tech/jeep-transmissions-t98-t18-t18a-19793.html

There have been numerous times where in desperation to get up a slick hill, to shift-quickly from 2-nd to 3-rd. When reverse is in the "over-an-up" position, it conflicts with making a Desperate shift "over-an-up" to 3-rd gear.
That is probably the only fault I have of my "over-and-up" earlier T-18.


Posted By: Nothing Special
Date Posted: 19 Mar. 2019 at 12:52am
Originally posted by Greaser007 Greaser007 wrote:

.... When reverse is in the "over-an-up" position, it conflicts with making a Desperate shift "over-an-up" to 3-rd gear.....

Been there, done that Ouch  And when you're flustered after hitting reverse it's pretty easy to overshoot when going back for 3rd and grabbing the non-synchroed 1st!

My '75 CJ5 had the "over and up" reverse T-18 (close ratio).  There's a spring that you need to compress to get the shifter into the reverse shift fork... unless that spring is broken, like it was when I bought that Jeep.  Fortunately I was able to replace the spring.  Never made that "2 to R" speed shift again after that!


-------------
Bob

Flatfender wannabe
https://www.thecj2apage.com/forums/nothing-specials-71-bronco_topic42024_post411994.html?KW=#411994" rel="nofollow - '71 Ford Bronco


Posted By: otto
Date Posted: 19 Mar. 2019 at 1:06am
The article didn’t say, but do the shift towers interchange? I have mis-shifted a T-18 many times.

-------------
47 CJ2A w/fuel injected boat engine
48 CJ2A
64 Ford Econoline Travelwagon
If you can't get there in a Jeep, get a motorcycle!


Posted By: Lee MN
Date Posted: 19 Mar. 2019 at 2:30am
You guys need to ride with my wife in my M715, when she is trying to shift into 5th gear at highway speed not a pretty sound at all

Lee

-------------
               LEE
44 GPW-The Perfected Willys
49 2A
“If you wait, you only get older”
67 M715
American Made Rolling History


Posted By: oldtime
Date Posted: 19 Mar. 2019 at 2:31pm
Yes all shift towers between T98 and T18 will interchange so long as you do not cross between the 1978/79 design change.
That said there are many small shift tower differences over the years.

Those changes include such things as:
Casting lug differences.
Shift fork to rail fastening system (safety wired bolts vs. spring pins)
Shift fork sleeves
Additions for reverse back-up light switches of various designs and other additional switches.
Many different shapes and lengths of shift levers.





-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Greaser007
Date Posted: 20 Mar. 2019 at 8:10pm
    Oldtime,
   I am not clear yet on the "over-and-down" option.

Is that only for the '79 and later ?

What I am hoping to do is put the Scout T-18 innards into the Ford T-98 case to utilize the Ford bellhousing pattern.

Then I am hoping to utilize whatever means to have the offset rear output.
I really am not so sure of what model Transfer-case is attached to the T-18.
But I should find out as I go along and begin tear-down.

Is there an aftermarket company that makes a rear offset option for the straight-through T-case ?

   Oh, yesterday, I gave the Scout T-18 and T-case a final mineral-spirits bath and rinsed with water and then an Acetone bath and new krylon paint job.
   I was trying to get the transmission put back in the shop before the rain hit. I had it out for 3-days while chiseling grime and petrified grease off.
The color of the Krylon is "Navaho White" and is the touch-up color for my old '71 Winnebago motorhome which sees lots of sun weathering. I think the T-18 in my CJ-7 is painted "Gun-metal" Gray.




I stuffed the Scout T-18 into the shop before the rains hit. I have been scrambling to get this puppy cleaned up for further study.



This above photo shows the numbers on the rear of the T-case.
Look close, and you will see the intermediate shaft retainer-bar is gone !
Whaz-up with this ?   I may have to pull the transfer case next to investigate why the retainer is missing.   Someone has been messing with it in the past.
    ( Do you think they put the hammer-down while 4-wheeling ! I hope so. :)

I know one thing, like Seth says "the transmission will survive the jeep."

    Hahahahaha _ _ _   just moving this mass strains my back.   Ugh
And when it gets tossed into the Willys, it will say Ugh ! _ _ or Oh Boy !

    OK, today the weather is Crappy and Cold. I am huddled down in the cabin where it is warm and dry and Toastie.   

   Lee -   i went by the welding store and they sold me 809 rod to weld the mild steel bellhousing "ears" onto the cast iron L134 bellhousing.
What do you think ?
The guy at the welding shop said it should be better than using Nickle.

   When i get done i could bury it in the sand.   _ _ _ just teasing !
I wonder if my wife would like to bury me in the sand !   Hahahaha

   That is enough jibberish for this update, and at my pace it may be 2020 before i make good progress.
   I have not yet found a machinist to bore out my L134 bellhousing to recieve the T-18 front bearing retainer either, but no hurry.
   My bellhousing has a notch in it, and that may sour the local machinists, so time will tell. I hope not.

by-the-way:   check out the following Link for another t-18 / L134 solution:

http://pavelsuniverse.com/willys/transmission.html

http://pavelsuniverse.com/willys/links.html

     Len


Posted By: oldtime
Date Posted: 21 Mar. 2019 at 12:02am
Quote  I am not clear yet on the "over-and-down" option. Is that only for the '79 and later ?
Correct.... they use different shape of casting for early vs late transmission and the shift tower assembly.

Quote  What I am hoping to do is put the Scout T-18 innards into the Ford T-98 case to utilize the Ford bellhousing pattern.
That should not be a big concern a few of the internal parts will be identical directly inter-changeable and or adaptable.
Right.....Cleaning parts takes longer than everything else.

Could probably tap the "I" shaft out about 1/2" and then spin it back into position for the lock plate ?


-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Greaser007
Date Posted: 21 Mar. 2019 at 2:46pm
   Oldtime,   I am still not clear of what I need to have to utilize the "over-and-down" reverse pattern. Is it just the top ?
    Or is the over-and-down specific only to the '79 and later trans cases and the top cover ?

   So, after doing a bunch of reading: my brain feels like a wet sponge !

   And after reading through the Transfer-Case sections on Advance Adapters, and Novak, i have concluded that i have a Dana-20 T-case.

   Now, if i read this correctly on the Advance Adapters site: i can utilize the Offset Rear Output on the D-20 case IF i use the D-18 Internals ?

   Anyone familiar with this ?

   Oh, too, good news, my snow ski buddy called last night while i was on the sofa sleeping, and he gave my wife the phone number for Terri, the retired gear maker from Portland, Oregon. I hope to discuss later today if i can reach him.
edited thread: I just got off the phone with the retired gear maker. He is going to give me the number of a machine shop in Portland that I can call to see if they wish to accept-the-challenge of shortening a long shaft.
He also did say that the minimum charge for annealing or heat treating is $250 so if that is required, the costs will rise quickly. not much help.

   Ok, so the last T-18 swap i did was back in 1984, hmm, 34 years ago !
Being on a "re-learn" today, i am trying my best to get re-aquainted with what is what and what-fits-what, and what-with-what-will-do-What !    Geeze-Louise.

   My brain reaches maximum absorption-overload in minutes, and my Bookmarks are swelling with pages from the .net that i have saved.

   Just like with welding: there are charts available to adjust heat settings and tip sizes for different thickness of metals and the joint to be welded.

   There are charts available for wheel "interchange" and charts available for "electrical load and distance of the run to carry a desired amperage."

Where is the Chart for Willys conversion of parts and pieces ? just kidding.

   Let's see:   teeth count input
               teeth count output
               needle bearing size and number: input to main-shaft
               Input shaft required to mate T-18 to L134
               Input bearing retainer
               Clutch throwout and fork
               on and on and on _ _ _ _ _

    I sent an email to Advance Adapters for clarification on utilizing the offset output to rear axle for the D-20 transfer case.

    More later _ _ _



   


Posted By: oldtime
Date Posted: 21 Mar. 2019 at 3:31pm
You must be a pic oriented kinda guy. and that's O.K.

Take a look at the shape of the 2 different shift  tower gaskets over here on the Novak site..
That alone should explain it.
79 and later T18's use different transmission cases and different shift towers....

https://www.novak-adapt.com/knowledge/transmissions/manual/t18-t19/" rel="nofollow - https://www.novak-adapt.com/knowledge/transmissions/manual/t18-t19/

TC issue....... yes that's an IH  D20 configuration that you have shown.

Did you read my previous post on D18 and D20 progression ?
I also did a post on TC MODIFICATIONS but have yet to upload any of the D20 modification info.

Read these till they sink in...

This one first...
https://www.thecj2apage.com/forums/transfer-case-progression_topic43134.html" rel="nofollow - https://www.thecj2apage.com/forums/transfer-case-progression_topic43134.html

https://www.thecj2apage.com/forums/transfer-case-upgrades-and-modifications_topic43110_post437591.html?KW=modifications#437591" rel="nofollow - https://www.thecj2apage.com/forums/transfer-case-upgrades-and-modifications_topic43110_post437591.html?KW=modifications#437591



-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: oldtime
Date Posted: 21 Mar. 2019 at 3:37pm
Originally posted by Greaser007 Greaser007 wrote:

   Oldtime,   I am still not clear of what I need to have to utilize the "over-and-down" reverse pattern. Is it just the top ?
    Or is the over-and-down specific only to the '79 and later trans cases and the top cover ?

   So, after doing a bunch of reading: my brain feels like a wet sponge !

   And after reading through the Transfer-Case sections on Advance Adapters, and Novak, i have concluded that i have a Dana-20 T-case.

   Now, if i read this correctly on the Advance Adapters site: i can utilize the Offset Rear Output on the D-20 case IF i use the D-18 Internals ?

   Anyone familiar with this ?

   Oh, too, good news, my snow ski buddy called last night while i was on the sofa sleeping, and he gave my wife the phone number for Terri, the retired gear maker from Portland, Oregon. I hope to discuss later today if i can reach him.

   Ok, so the last T-18 swap i did was back in 1984, hmm, 34 years ago !
Being on a "re-learn" today, i am trying my best to get re-aquainted with what is what and what-fits-what, and what-with-what-will-do-What !    Geeze-Louise.

   My brain reaches maximum absorption-overload in minutes, and my Bookmarks are swelling with pages from the .net that i have saved.

   Just like with welding: there are charts available to adjust heat settings and tip sizes for different thickness of metals and the joint to be welded.

   There are charts available for wheel "interchange" and charts available for "electrical load and distance of the run to carry a desired amperage."

Where is the Chart for Willys conversion of parts and pieces ? just kidding.

   Let's see:   teeth count input
               teeth count output
               needle bearing size and number: input to main-shaft
               Input shaft required to mate T-18 to L134
               Input bearing retainer
               Clutch throwout and fork
               on and on and on _ _ _ _ _

    I sent an email to Advance Adapters for clarification on utilizing the offset output to rear axle for the D-20 transfer case.

    More later _ _ _



   


-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: oldtime
Date Posted: 21 Mar. 2019 at 3:48pm
 
Quote Let's see:   teeth count input
               teeth count output
               needle bearing size and number: input to main-shaft
               Input shaft required to mate T-18 to L134
               Input bearing retainer
               Clutch throwout and fork
               on and on and on _ _ _ _ _ 

T18 6.32 ratio must have 17 tooth maindrive gear (input shaft)

The mainshaft gear (output) must match whatever input gear you are planning to use and that will vary  depending on TC  ratio. 

Mainshaft to maindrive pilot bearings size depends upon the make . IH Ford Jeep or other.

T18 Input shaft diameter to 134 depends on clutch hub diameter you plan to use.

T18 Input shaft length to 134 depends on method used to mate T18 to bellhousing

T18 input bearing retainer also depends onn method used to mate T18 to bellhousing

L134 can only accept a driven disk with 15/16" hub @ 8-1/2" / 9-1/4" diameter .
Will also accept 1-1/8" driven disk hub  at 9-/14" diameter


-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Greaser007
Date Posted: 23 Mar. 2019 at 2:45am
Oltime thank you for the data !

And, yes I will read through those links, and omg, bear with me, as it soaks in slowly like water-into-a-rock.   hahaha

Remember the days of the 40-meg hard drives on computers ? 1994 maybe.
That is how I equate my out-dated brain, no longer supported.   hahaha.

Yes, I guess I am photo driven for understanding. Bear with me.

    Oh Check this Adapter build on the following link !
I ran across it the other day, and what a solution to the puzzle:

http://pavelsuniverse.com/willys/transmission.html" rel="nofollow - http://pavelsuniverse.com/willys/transmission.html

   This guy's adapter plate is in two-pieces ! It adapted to a wagon I think.

   I have not looked into throw-out bearings and options there, but the guy in the above article cut the length of a front bearing retainer to his desired length. Then too, there are lots of pressed-steel clutch forks out there, and certainly a fork can be fabbed up from several donors after analyzing the geometry of the pivot and arm length and such to get the correct "throw" to depress the clutch-cover / pressure-plate.
   My instincts tell me to stay with the 15/16" shaft diameter end result on the input shaft.
   The 1-1/8" could be tempting, but I may have difficulty finding a throw-out with the correct face circle to mate up to a clutch-cover. Nor have I measured the diameter of the bearing-point of where the throw-out presses against the L134 clutch-cover. The throw-out for the larger shaft will probably be too large of diameter for the L134 clutch cover. Some throw-outs have a pretty large face.
   So, when Willys went to the 9-1/4" disc, did they use a different flywheel with a larger diameter clutch-cover bolt circle ?

   Or does the '46 CJ flywheel accept the 9-1/4" size ?

   This weekend I hope to look through those t'case links.

   We have a week of rain forecast, and I am ready to dry-out. I have committed to go skiing with my 33-yo daughter, and it is storming to beat the band. Two weeks ago, the ski area got 42-inches overnight !   Yikes, the warm lodge sure sounds inviting already.   :)

   thanks for the interest and assistance !

   
   


Posted By: oldtime
Date Posted: 23 Mar. 2019 at 3:24pm
Quote  Or does the '46 CJ flywheel accept the 9-1/4" size ?
The  Auburn 9-1/4 " clutch first became available in 1961 and became standard on all CJ's just 2 years later.
After 1960 all F-134 flywheels were drilled to accept both diameters of clutches.

You can drill and tap any of the earlier 134 flywheels to accept the 9-1/4" Auburn clutches.
Genuine OEM NOS Auburn 9-1/4" clutches are still found to be available on occasion.


-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Greaser007
Date Posted: 25 Mar. 2019 at 3:08pm
Ken,
how are you doing with the flooding going on ? Are you on high ground ?

Hey, I just did "catch" the length of the T-18 Jeep input @ 7.43-inches, noted on the Novak link you attached. :)   _ _ most helpful.
I take that as the "stick-out" length.
Thanks for the links because they are welcome for not only me but other individuals too. And a competent machinist should be able to drill the older flywheel for the newer 9=1/4" clutch disc. I stored that
   I can get the necessary 7.43" needed out of the existing IH Scout T-18 input currently in my transmission.
   I will plan on sending it to Moser once I hear back from them, and get it removed from the transmission.

   I was doing some investigating about annealing and hardening of input shafts to be modified. What a mixed-bay of tricks and opinions   Geeze.
Like I mentioned in Seth's T-18 to L134 build thread, I would be tempted to go with techniques that have worked in the past for the old-timers who have had success with input modifications for decades.
   Here, we are dealing with a 65-horsepower L134 flathead engine.

The link to the "mixed opinions" I placed over on Seth's (Falcon) T-18 build.
The forum is:   Seth, I hope you don't mind.

practicalmachinist.com

(it seemed there are those individuals who have great success with modifying shafts and splines and some who even weld two shafts together).

There is a cool photo of a Skidder T-18 set-up that I am hoping to post here which popped up on the web doing a T-18 search. I thought it was cool.





The above picture is showing a reverse gearbox for the skidder application.
I have never seen this before until I came across it with the "image" tab selected in my web-search results. I know nothing about skidders but I do know what a 518 Cat skidder is, and did operate one when in my '20's.
Kinda interesting Stuff to keep the brain swirling with ideas.

OCT. 21, 2019 additional Borg Warner SPECIFICATIONS:
http://forestryforum.com/board/index.php?topic=96818.0
There are some interesting LINKS in this forum thread.


http://www.numeralkod.com/cross/archivemanuals/warner/automotive%20and%20truck%20transmissions.pdf
The above link shows Borg Warner drawings of numerous transmissions INCLUDING the T86, T90, T98 and the skidder reverse box "L2" sometimes referred to.
NOTE: if you look closely, the drawings show DIMENSIONAL RELATIONSHIPS between gear shaft centers, and bolt centers.
I see interesting articles in the pages of Novak and Adavance Adapters, but why do they not show dimensions ?   The above link of the Borg Warner transmission drawings is the only place to date that I have found dimensions from shaft centers to bolt centers.   why are these dimensions such a Big-Secret ?
I just don't get it.   Len
The reason I say this, is because I spent a lifetime as a technical draftsman, and proper and complete dimensioning is critical to know relationships of where something is located.   Yes, Ken (oldtime) I am drawing-driven. hahahaha

   Below are images of the T-90 transmission face bolt pattern and also the Ford T-18 transmission bolt pattern.   What I find interesting is why don't these index the centerline of the input shaft ?
( I didn't either on my "overlay-sketch" earlier in this thread as I haven't yet determined it or found it yet on the net ).




Borg Warner T-90 pattern


Borg Warner T-98 Ford bolt pattern with mounting ears for other applications.

    This may be helpful for someone who has not found the data yet.


Posted By: oldtime
Date Posted: 25 Mar. 2019 at 4:50pm
Quote  Ken, how are you doing with the flooding going on ? Are you on high ground ?

I live 10 miles from where Missouri dumps into Mississippi.
2/3 of my county is nothing but flood plain.
Mainly black stick mud with layered pockets of river sand.
I live on one of the clay hill areas so no problems ever for myself.
The 2 big rivers are flowing at typical spring high levels but not much out of their banks around here. 
Right now the record Missouri flooding is happening north of KC on the other side of the state.

Maindrive shafts are often stated as stick out length.
Ad 2-5/8" of length for the T18 length going inside the transmission.

Yes I hope to read that info about  re-hardening the shafts.
I would expect a re-case hardened shaft to be a huge plus.
I agree tig welding of a shaft should not be out of the question either.

My brother in law worked the last 50 years as a logger.
I ran his Timberjack 353 cable skidder for about a year.
It's nothing less than a 4WD articulated monster winch machine.
Two cycle Detroit diesel  that you can hear for miles.
Ear plugs required !

It also has the Borg Warner T98 transmission with a foreward / reverser gearbox.
Plenty of gear reduction on huge dual chained and cleated tires.
Talk about 4WD fun in the woods !

Yeah It takes years to absorb all that info.
Then you just tend to forget most all of it when your not doing it.
I guess that's the main reason I hang out on these sites is to keep me thinking.







-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Greaser007
Date Posted: 05 Apr. 2019 at 6:50am
   Thursday, April 04 UPDATE:

   First-off, I have been overwhelmed with my '95 Honda Passport refurb, so I have spent "0" work-time on my T-18 transmission conversion to L134.

   Seth, has given me renewed inspiration to stay after this project. As I mentioned earlier and Bob and Lee also mentioned that it is Tough finding a local machine shop willing to tackle modifying an input shaft because they all cry Wolfe and squeal at the thought of dealing with "hardened" shafts.

    Today - I spoke with Aaron at Moser Engineering, and shared my dismay, and he laughed and said "this is our business, and we are happy to accommodate, and your request is No Problem."    That made-my-day !!    really, I swear I almost did a happy dance.

    Getting astray again - I was thrilled today because I took my Honda Passport on a "maiden-voyage" this afternoon for a drive up to Mount Shasta City, which sits at the 3,500 foot elevation at the base of Mount Shasta with a peak elevation of 14k.
    The Passport project was a mechanics-special with a "bad-transmission."
Anyway, I tore the engine completely down to inspect and mic and refurb. the engine is an all aluminum with factory block stiffener girdle that bolts onto the block after crank install. The 3.2L sohc V-6 engine has some pretty exotic valve-train.   Just yesterday was the first time to drive it out of town, and then today put it to the test climbing the canyon up to Mount Shasta, to make sure my overheating problem is resolved. I had to replace a faulty fan clutch.
Believe me, this Passport is a slug compared to my WRX Subaru.

    So back to the t-18 input shaft modification.
The L134 engine and bellhousing accepts the T-90 configured shaft which sticks out approx. 7-inches beyond the face of the transmission.
( see, I am learning and retaining some data )     ar ar ar :)

    I now have two choices with Moser:

    1)   I can have them cut mine to the 7-inch length for the L134.

    2)   I can have them cut mine to the 8-inch length to allow a 1" adapter
        plate which would preclude the necessity of welding ears onto my L134
        bellhousing. ( I want to try welding the new Ears onto the bell ).

   I have not yet in my life welded mild-steel bar-stock to cast iron.
Way back in 1972 my favorite machinist and I were talking welding forged steel steering components for modification and cast iron.
   His recommendation:    pre-heat the base metal, then make sure you have ample "V" groove to provide adequate "purchase" between the metals to be fused together.   Hmm "fusion-welding" _ _ _ i'm in !
   He said to be sure to relieve the stresses of the weld by peening while the puddle is orange, and to weld in short spurts, peening each segment of weld.
   I don't know if it is a liability or not, but back in '82 while visiting the Mint 400 desert race in Las Vegas, Nevada, on inspection day all the race trucks were on public display.   You wouldn't believe the fabricated pieces that were welded together to build those race trucks.

    I have been doing some research on this concept of mine of welding new transmission mounting "ears" onto the L134 bellhousing for which method to use.

    Here is what I have found to be helpful:

https://www.practicalmachinist.com/vb/general-archive/welding-cracked-engine-block-72782/" rel="nofollow - https://www.practicalmachinist.com/vb/general-archive/welding-cracked-engine-block-72782/

   In this article there is discussion of brazing or fusing cast iron. I tend to think along with and agree with a couple of old-timers who have successfully welded cast iron. They suggested preheating the base metal and then welding in shorts "stitches" being sure to peen each weld while orange to relieve-the-stresses. Keep welding and peening. until done, then cool slowly in sand.
   Now, I just looked for the welding rod I purchased, and my wife probably put it out in the shop where I didn't want it because of ambient humidity.

   My next Step:   I must disassemble the Scout T-18 to remove the input shaft to send to Moser.

    I am tempted to obtain another shaft to have turned down the the 8-inch stick out length to be used with a 1-inch adapter plate, but that will not happen until I get my current conversion completed. A PUZZLE of Sorts to keep my Brain-gears turning modestly.    hahaha

    So, my question to ken about the "over-and-down" for the shifter:
Can I utilize the over-and-down shift pattern with putting the Scout T-18 gears into the Ford T-98 transmission case ?    I dunno yet.

    Good thing we have sharp minds here to keep us rolling forward.

    More later as I progress !

    Len


Posted By: oldtime
Date Posted: 05 Apr. 2019 at 7:35pm
You can swap the guts between these 2 cases....
Some of the internals are identical and many are different.



-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Greaser007
Date Posted: 07 Apr. 2019 at 5:56pm
Ken,

   Help me here if you would again:

If you would describe to me what I must have to get the "over-and-down" shift ?
(over-and-down to reverse).

   Is it the post-79 T-18 that had this shift pattern ?
   And is the over-and-down specific only to that style box, '79 and later ?

   Seth told me he had run into a conflict with the cone on his input shaft.
And he had to source another for his build. I missed the difference.
I am thinking this was because he was hoping to utilize a main-shaft from another trans ?

    I will plan to swap all my Scout T-18 internals into my Ford 2wd T-98 case.
Then I will drill the 2wd case to accept the Scout rear adapter, like the Novak T-18 adapter requires.

    I have come up with another "brain-storm" idea for my new transmission mounting "ears" to be added to the L134 bellhousing:

    I recently purchase a new diamond blade for my angle head grinder for cutting apart previously fabbed steel.
   After digesting all of the theory of welding cast iron or dissimilar metals, I flashed on the concept of sourcing my new "ears" off of an existing Ford truck bellhousing by cutting them out with my new handy-dandy diamond blade.
   That way the new sourced "ears" are already drilled and tapped 9/16" and then when I go to weld the donor "ears" to the L134 bellhousing, I am welding or fusing similar metals.
    My first concept and my mock-up were to use mild steel bar stock "ears".

    I will go sourcing for a bellhousing at Pick-n-Pull.   More later

    Len


Posted By: oldtime
Date Posted: 07 Apr. 2019 at 9:57pm
[quote]
Is it the post-79 T-18 that had this shift pattern ?
   And is the over-and-down specific only to that style box, '79 and later ? [/quote]

I thought we covered that umpteen times but yes 1979 and later T18 regardless of make uses over and down for reverse.
The complete shift tower mainly including the reverse parts were all changed.
The post 1978 cases and shift tower assemblies cannot interchange with pre 1979 cases and shift  tower assemblies.
Seth pointed out that his late type T18 was removed from a 1978 Ford. 
But that is a rarity and not the general rule. 
The real difference is the reverse shape (bulge) of the early vs late T18 case.
Both of your T18 transmissions are over and up so the cases and shift tower assemblies can be interchanged.

Here I just copied this from the Novak site ... maybe it explains better ..

There are two different versions of shift control housings. The 1966-1978 versions hung two cast iron shift forks into the case, with the reverse fork itself pivoting on the side of the case. These earlier T18’s have reverse gear over to the right and up by third gear. In 1979, the reverse shifter fork was moved from the side of the case into the top cover instead and all three forks were changed and made with die-cast aluminum. This later T18 has reverse gear shift pattern over to the right and down by fourth gear.

The earlier shifter versions are readily obvious by the presence of a cast-in boss on the rear, left flank of the transmission. Later Borg-Warner casting tooling was updated and omitted this boss (as in the image, above right). 


Ford used larger inside diameter  blocking rings for direct drive than does the Jeep version.
So the Ford version clutch cones and the associated gears are also of larger diameter.
In other words the Ford maindrive synchronizer rings and 2nd gear have larger diameter.
I say 2nd gear but some may want to call it 3rd gear.
I consider these T18's to function as 3 speeds with an extra LOW gear.
So I tend to call it LOW gear and not 1st gear.
Is everyone getting confused ?  I hope so...  Ha Ha Ha !

By the way unlike many I actually prefer using the Jeep version T98 and T18's.



-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Greaser007
Date Posted: 08 Apr. 2019 at 3:51am
Ken,
   Thank you so much !
Yes, I am confused with the subtle differences. hahahaha
But I am finally getting a grip on the "over-and-down" case requirement. And I too think of these as a 3-speed, with 4th being granny.

So, now, it looks like maybe I should be looking for a T-18 out of a '77 to '79 full-size jeep to get the 6:1 gearing and the longer input shaft to cut-down.

Below is text I copied out of the jeeptech page which helps clarify.

The T-18 was optional on CJs from 1971-1979. The T-18A version used from 1977-1979 is the best transmission ever put in a CJ by the factory since it features a granny low first gear(6:32:1.) Earlier T-18s have the same great strength, but a 4.03:1 first. The T-98 is the predecessor to the T-18 that was an option for CJs from 1955-1970.
Other Jeep trucks also had the T-98 as an option from 1955-1970, the close ratio T-18 optional from 1971-1975, and the wide ratio T-18 from 1976-1979. After 1979, the wide ratio T-18 was only available as an option in the J-20 pickup truck from 1980-1981. This version of the T-18 has the round New Process bolt pattern and 23 spline output, but the adapter is long for a short wheel base Jeep. Earlier T-18s and T-98s used the "Texas" bolt pattern and 6 spline output. The truck version of the T-18 uses a long input shaft compared to the T-98 or CJ T-18s.

   Well, I was just reading this evening on Jeep-tech where the guy was explaining the differences. So, yes, the over-and-down is the Post-79 T-18.
And if I am finally getting this, the post '79 T-18 did not have the Texas pattern.

http://www.jeeptech.com/trans/t18.html" rel="nofollow - http://www.jeeptech.com/trans/t18.html

   And, the other day I removed the top of my Scout T-18 and painted a tooth white and counted the input gear teeth - 23. I have a 4:1 granny. (pre-77)
Ha, I didn't remove the top to count when I bought it nor did it rotate the trans to count rotations. So, phooey, it looks like I am keeping my eyes out for another T-18 Donor.
    Somewhere, buried deep within my jeep parts from the early '80's, I have tucked away a T-18 mainshaft with the T-case output, but I cannot remember what it came out of and I now will dig it out of mothballs, and compare it to what I have for the nose size where it goes into the rear of the input shaft.


   Looks like I will be making a trek to a local wrecking yard to hunt for another donor T-18.   And I will be looking closer too for what I am getting.

   Another Setback !   I won't be sending an input shaft off to Moser yet.

   Good news !    I have the Ford Transmission truck bellhousing that came with my T-98 donor case, so and I looked at it today and think I am going to cut the transmission "ears" I need from that bellhousing. I will post photos when I get started cutting the "ears" from the bellhousing. I may be able to cut them out in One-Piece. But not really preferable. This is all just conceptual until I actually begin cutting them out with my new Diamond wheel. And I am ready to put it to the test. ( I have a concrete-cutting diamond wheel that cuts concrete like Butter ).

    Cheers everyone, and Ken thanks for your input and expertise.
    Yep, I have a 4:1 setback. Good Heavens to Mergatroid. :)
    Seth has been through this and has it very well sorted out.

    My wife just shakes her head.

     Len


Posted By: oldtime
Date Posted: 08 Apr. 2019 at 5:14pm
When I say post 1978.... I mean "after 1978". 
So that includes 1979 vintage but generally not the 1978 vintage.
If you want the reverse gear over and down position you will want one of the 1979 or later T18's regardless of make.

The T18 A is generally considered as the most desire-able  CJ transmission ever.
It was not installed in 1976 but it was available in 1977, 1978 and 1979 and perhaps some 1980 CJ's.
The 1979 has the updated style of case.
Myself much prefer the 1977 and 1978 versions because interchange parts are much more readily available.
That said you can easily take any Jeep T18 transmission and change out the mainshaft to fit engines other than AMC.
So yes J truck and some Wagoneer transmissions are often more abundant and can be very desirable.

Jeep used the Dana 300 TC beginning in 1980. 
So 1980 Jeeps do not have "TEXAS" pattern.

IH still used Texas pattern tranmission and TC in 1980 but not in 1981.
They used a D300 with Texas pattern for 1 year only.
It is considered by many as the"most desirable" transfer case.

No Len I'm certainly no expert.  
I just like texting this stuff out so that I don't forget. Ha Ha Ha !




-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Millennium falcon
Date Posted: 01 May 2019 at 5:09am
Hey Len, how are you making out? Any new updates?


Posted By: Greaser007
Date Posted: 17 May 2019 at 4:48am
Seth,

    I am high-centered currently. After cleaning the outside of the Scout T-18 i discovered that it is the 4:1 model low gear. So, I am hoping to find a T-18 with the 6.32 low.
   My understanding is that the output shaft in my Scout T-18 may not interchange with the input of the Ford. (where the two meet with the roller bearings).

   I am tempted to purchase a 17 tooth input shaft for the long jeep FSJ application, and send it to Moser for modification, but my senses tell me to wait until a 6.32 trans comes along at a reasonable price.

   The bellhousing modification has been on hold because I have been refurbing my 1957 Lincoln SA-200 field welder. I fired it up last year after the CARR Fire up here, because it is the welder I aim to use to weld the transmission ears from the Ford bell, onto the L134 bell. This is my stick-welder, so I figured i'd better get it serviced and cleaned up with a Dupont Overhaul.
    ( it had a stuck exhaust valve from sitting, or bad-gas, and i had to get that freed-up ).   So, for extra lube i'm running Marvel Mystery in the fuel and crankcase oil.    hahahaha, _ _ i'm superstitious, so a little extra lube in the fuel will help lube the valve-stems for a tank-full.

   Seth,   you have a very nice Willy's. When looking at your jeep in the thread of Winch Mounting, i could see what appeared to be Turbo-tubing.

    I have been running an '02 Subaru WRX for 12-years now, and LOVE IT !

    The next thing will be to play around with using the 309 stainless rod and see what results i get.

    Doing some reading on LINCOLN ELECTRIC website about welding tips for cast iron, it sounds like the preferred method is utilizing Ovens and specific temperatures.   One point was to weld in short portions and peening while orange.
   Norm, the 91-year old welder at Jimmy Strauss Jeeps suggested peening around the perimeter of the weld if Braze welding cast iron.

   I got a source for my firewood cutting for next winter's supply and have been busy doing the firewood-thing. _ _ _ what a workout. Ugh.

   Seth, you got me all fired-up when you posted your T-18 thread, and were very well organized.   I like your work and is very encouraging to have you share what you did to reach the end. I like the element of challenge while attempting to make something work which is slightly "out-of-the-norm." :)

   Maybe this summer I will come across a T-18 that will work.

    One last thought:   have moser modify my 4:1 input shaft and follow-thru with putting the Scout 4:1 internals into the Ford T-98 trans-case.
    Truthfully, here locally the 4:1 will work beautifully, and second is syncronized.

    Now, then, for the Rubicon Trail, the 6.32 is mucho-better !

    Len


Posted By: Greaser007
Date Posted: 29 May 2019 at 9:42pm
Greaser007 checking in with an update of progress !

   I believe I may have found me a local machinist to do some modifications for me by first milling the bearing retainer hole to the size of 4-3/4 inch to accomodate the T-18 front bearing retainer. Once i get the pilot-hole milled, then i can begin with cutting up the donor Ford Bellhousing to re-purpose the transmission mounting "ears" to then weld to the L134 bellhousing.
   This may be a far-fetched-idea, but this isn't my first puzzle of modifications i have attempted, and below is a link to the welding-rod that i think i had better try because of the machinability and puddling properties.
    
https://www.airgas.com/product/Welding-Products/Filler-Metal/Stick-Electrode-%28SMAW%29/Stick-Electrode---Maintenance-Alloy/p/HARNLW99600POP" rel="nofollow - https://www.airgas.com/product/Welding-Products/Filler-Metal/Stick-Electrode-%28SMAW%29/Stick-Electrode---Maintenance-Alloy/p/HARNLW99600POP

   If anyone of you guys have tried using "Muggy-Weld" rod, then please give me a follow-up report, because out of curiosity, i just may try it as a Compare to the 1/8" Harris® Nic-L-Weld 99 Nickel Maintenance Alloy Electrode.
And, i am going to give the 309L stainless rod a try also.
   Now, i cannot say that i am a "good" welder, but i have only been melting metal together for 50+ years, and have owned my Linde 225 mig-master for 38-yrs of good service.   ( i need my own vertical mill, and a Lathe ).
   
    What i have discovered is that the donor Ford bellhousing is out of a 1979 Ford Truck HD ( medium-duty 2-ton type ) and the bolts holding the trans to bellhousing are huge ! and the index-hole for the front bearing retainer on the Ford t-98 is a whopping 5-1/8 inch diameter. The Scout T-18 front retainer diameter is only 4.3/4 inches.
    I am off to the machinist's soon with L134 bellhousing.
The machine shop that i have "discovered", which i thought was closed, is actually OPEN. ( no kidding it looks like some sort of Compound, and surrounded by a tall chain-link fence, with a lack-of-signs ). The owner, Mark, didn't believe me when i told him i have always thought the business to be closed.

The name of the business is A & A Machinie & Welding in Anderson, California.
and for anyone interested the phone # (530)-365-5947 - Mark Alward.

I hope he takes an interest and doesn't price-gouge me so as to not have to deal with this petty-project, which for him, is probably more of a Migrane-Headache than a "Fun-exciting-Project-challenge", Nor is it a Big-Money project for the machinist either.   Oh well, i am about to find out First-hand.

   I have been thinking too, that once i get the hole bored, and play with which welding rod gives me a satisfactory bond of the cast iron to cast iron, then i will send my Scout T-18 input shaft to Moser for their expertise.

   Simply amazing. Pricing is all over the Board for machine work.
I called a machine shop in Sacramento, "West Coast Frame" and they wanted a minimum of $100.00 to mill the hole larger in the L134 bellhousing.
I phoned a machine shop in Red Bluff which does rock handling fabrication, and they quoted $75.00 to use the vertical mill.

   More Later !

    Len


Posted By: Greaser007
Date Posted: 05 June 2019 at 1:59am
Progress Report:   _ _ _ I know, it is slower than Moses too. :)

    I have dissected the Ford Truck bellhousing for the "donor" ears which I hope to weld to the "recipient" Willys L134 Bellhousing.    Good Luck I keep hearing.
Truthfully, guys, I have not got a promising word from anyone who welds.
I have a buddy who spent a lifetime brazing broken cast components and he cusses the thought of NiCad 99 rod or Stainless Steel rod with Cast-to-Cast !!!


This image shows the Ford casting numbers being D9 (for 1979)
interesting that the diameter of the front bearing retainer is 5-1/8-inch.
The lighter-duty bellhousing for passenger car and pickups is 4-and something.
the transmission-to-bellhousing bolts are 9/16 in the truck bellhousing, whereas the light-duty C1 bellhousing I have is 1/2-inch.


This shows the '79 Ford truck bellhousing prior to cutting up with a diamond wheel chucked into my trusty angle-head grinder.



This shows the transmission mounting face of the Willys CJ L134 bellhousing.
I hope to weld or braze the Ford trans ears to this bellhousing.


I dropped-off photos that I printed from Seth's conversion for the Front Bearing Retainer Adapter, to my machinist around 9:30am today. He had not yet bored the bellhousing pilot hole yet.


This shows the center portion of the "donor" ears cut-out.
I did very good with the straight-cuts with the diamond-blade. Then I had to worry my way through the sharp radius inside-corners. These were a real booger and I wound up using the Junk blades that come with the Dremel accessory kit.
They are the ones that are about 1-inch diameter and break real easy. I did use a few of the darker colored reinforced abrasive wheels about 1-1/2 inch diameter.    Anyway, I had to take a few breaks and before I knew it, the center portion was Out-of-there !   yeay.
    Now for trimming the outside of the "donor" ears, it was easy-money straight cuts.   No problems.   
     As soon as my "machinist-guy" gets after my bellhousing, I can index the trans case to transmission and fit the "donor" ears to the L134 bell.
I cannot remember the last time I have been so Black as grinding this Cast Iron for this transmission swap.
    This would be Much Easier if I were to just use a 1-inch Adapter-Spacer on the front, but I have been hell-bent on trying this method of modifying a bellhousing to be the lucky recipient of a Ford T-18 Granny-gear Transmission.
   
    Again, to get this project to completion, I am going to follow through using the 4:1 granny ratio that I happen to have.


Bingo !   Donor transmission-mounting ears from Ford to attach to L134 bell.


The quick cutting Diamond blade for my 4-1/2 inch grinder. These work !

I can say one thing - I don't like being at the mercy of a machine shop that is a Busy-one-man-show, and I am the newbie-customer. When I was in the shop today, I was not met with enthusiastically, and after dropping off the photos, I felt like I was just "another-nuisance" customer.   And the guy was working on trying to salvage broken logging skidder box covers. Go Figure.
    
    I went to attach the welding leads to my SA-200 welder today, and had to solder a big terminal on the end of my rod-holder cable.   and had to drill out the hole to 1/2-inch.   Jigged the terminal into a holder and began filling with molten solder. I flinched, the cable Flinched and flipped the terminal out of the holder spraying molten solder everywhere.   OMG it's great to be alive to chuckle later on the flub-ups.
    Working on uncharted projects is like climbing the local Cinder Cone. In order to make progress going up it takes 3 steps up and then sliding back 2 steps to make 1-full step upwards toward the Peak.
    ( no, I don't want my photo taken on top of Everest )

    Even tho I haven't driven my Willys yet in 1-1/2 years, I enjoy looking at it each day as I walk by it.   And, as long as my Bucket-List is "active" I will hope to move forward on my T-18 to L134 Transmission Conversion.

    Oh, I did not research using a Throw-out bearing with larger inside diameter to be able to use the front brg retainer that goes with the 1-1/16 dia long input shaft (driven gear).    The name "driven gear" is greek to me. But in some techie manuals, they are not input shafts, but driven gears.

    When being retired, it is real easy to just put-off stubborn projects. Then there reaches a point of no-return. ( that occurs during the purchase, which is the first outlay of Cash ). From then-on, the project needs water ( cash or green-backs ) to nourish it so it can develop.   Besides the monetary support, the project "trustee" must find necessary time from a normally Hectic schedule to bust knuckles and have stitches put-in, and so on. Maybe a piece of metal pulled out of the eye. Don't hesitate if you get a piece of metal in the eye, go Straight to the emergency room and get it extracted. Pronto.

    My 3-grown children all early 30's, took Dad ( lil ol me ) snow skiing at Squaw Valley USA on Saturday, June numero-uno for my Father's Day gift.
No kidding, what a nice break from the Willys trans puzzle, and the weather was a cool 62-degrees and light passing clouds. Such Fun.   
    My father in law would always tell me that our children are our most valuable asset in life. And they do resemble us. Good luck world !
    I am feeling like I am now engaged in "Summer-mode" as the heat rises to near 100-degrees.   yep it will be warm but arid.   A good thing that welding helmuts have a Sweat Band.   Really, they are more of a bumper than a sweat diverter.   The new GM 4-cylinder for the Silverado in 2020 has a Diverter-valve for both oil and water.   no BS.
     A good thing to have a willys right !
And when something happens and we need basic transportation by pre-computer automobiles, our Willys will pull-the-grade, with fresh-air heating and cooling.

    There are many components I need to purchase yet, and didn't take a list to the Plymouth military vehicle gathering because I saw a few civilian parts, but forgot about "mock-up" pieces.   Throw-out bearing and holder and spring and fork and pivot ball.   You know, all that "little-stuff" that sure ads up quickly.   I like how Seth (millennial Falcon) turned-down the throw-out holder to set the bearing back, to near the original position fore-and-aft because of pushing the bearing retainer forward with the Retainer-adapter.

Now, I need to focus on a holder for my lit torch to keep my work piece "warmed-up" so I can set it down, and fumble and ponder, and heat and maybe if lucky lay some weld bead.   Then quickly grab the torch and keep heat on the work area.   That all sounds good. I'm buying some sand and am going to bury the thing in sand after I am all done welding. Sure sounds good in thought.
    The only encouraging words about welding cast iron was from a 35-year John Deere parts manager who said that the welders who had successful welds was for a non-structural fillet. But, if the fillet was for a structural component where the weld I think, is put under tension, then they are more prone to failing.

    More later as I progress through this puzzle.

     




Posted By: Greaser007
Date Posted: 15 June 2019 at 6:52pm
   As Jack Nicolson once said: I'M BACK !! hahha

   Ok guys, I dove into the Ford T-98 trans to take it apart late yesterday.
First off, just this morning before writing this, I read through page 1.
Now months later after trying my bestest to digest everything you guys have been sharing with me, _ _ _ it is Now, finally beginning to make Cents ( sense ). ha

   Ant, this early truck T-98 has the large diameter 5.125" frnt brg retainer.
And again, the shaft is huge, 1.375 or something. whew.

    Please give me some input on where to shop for the 17-tooth long FSJ jeep input shaft that would be compatible with the Ford T-98 mainshaft and 2-nd gear syncro hub.    I will have to read through Mellinial Falcon's thread because he mentioned something about blocking-rings being two sizes.   Anyway I am not quite quite "there" yet until I get both transmissions tor down to Compare differences in-hand.   ( I am a "hand-on" learner ). sorry

   If I cannot figure out which input shaft to purchase with the 17-tooth and compatible to match up with the rest of the innards from the T-98, I plan on moving forward with putting the Scout T-18 innards into the Ford T-98 case, and then have Moser turn-dpwn my long Scout input. My Scout is the 4:1 granny, which will be just fine for most everything in my neck-of-the-woods.

   Below is a few photos of the disassembly of the Ford 2wd T-98 transmission.


   This shows the use of the huge pipe wrench to hold the flange, and the 3/4" drive, 1-1/2" socket to break the tailshaft nut loose.


   Ok here is the rear mainshaft bearing and retainer-clip.


    This photo shows how I pried the rear bearing carefully out of the case and sliding it off the shaft also. The bearing was not a tight-fit in the case.


    Ok, this shows the Front bearing on the input shaft (driven gear).


   This shows the backside of the front bearing Retainer. Where this one measures 5-1/8" diameter, I have seen some on the internet that are only 4-3/4" outside diameter.   So I had my machinist bore out my Willy's L134 bellhousing to just that,   4.750-inch.
   The Coffee-cup-Coaster Adapter like Mellinial Falcon made will be machined on the back-side to match this T-98 retainer.


    This shows the front of the Ford T-98 trans.


    This shows the rear mainshaft bearing removed from the Ford T-98


    This shows the Front input shaft bearing removed as far as it would go until the synchronizer thing came up against the back side of the cluster gear, being the gear that the driven-gear (input) runs-on.

    At this point, I could not get the mainshaft with gears out of the case.
I was considering driving out the cluster gear shaft to allow the cluster gear to drop down enough to allow the input shaft to move forward at least 1/4 inch.
I began searching through my Shop Service Manuals, and finally found an article
in an older Chiltons motor manual, and it explained that the front bearing must be pulled off of the input shaft to allow it to move up and forward, then allowing the Mainshaft assembly to be removed up and out the top of the Case. !! voila.


   At 8:00pm yesterday, I made a trip to the new AutoZone store here in Anderson, California, and rented some bearing puller stuff.

The following article in Four Wheeler website explains the T-18 disassembly.
And it confirmed the necessity to remove the front bearing to be able to get that heavy mainshaft assembly removed from the T-98 case.

http://www.fourwheeler.com/how-to/transmission-drivetrain/1703-t18-transmission-rebuild/

    More later:



Posted By: oldtime
Date Posted: 15 June 2019 at 10:49pm
Yes Ford T98/T18's uses a larger set of direct drive and second gear synchronizers (cone clutches) than do the Jeeps.
The mainshaft pilots are also of different diameters.

So those parts the maindrive gear (AKA input shaft), the synchronizer assembly and the second gear (The T98 gear that rolls on needles) cannot be mixed around  in a hodge podge  fashion.
In other words your  just not going to get a short Jeep maindrive gear (not a Jeep  T98 nor T18) to fit into your Ford T98.

You could feasibly have the Ford maindrive diameter turned down to 1-1/8" or 1-1/16".
Then you could get a Jeep 1-1/8" bearing retainer or turn down a Ford 1-1/16" bearing retainer.
That said you must determine if Ford T98 maindrive has enough stick out length for custom your Willys bellhousing


-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Greaser007
Date Posted: 18 June 2019 at 3:22am
Ken,
   Whew, to my knowledge (yes it is limited at best), I don't recall any specific article I have found, which CLEARLY explains the "differences" between the Jeep, IH-Scout and Ford applications on the synchronizer-assemblies, 2nd gear, main-shaft Snout and STUFF.
   From just "reading" articles on the net, I am unable to say what I will be able to interchange with what, until I get both transmissions disassembled to physically get my measuring hands onto those parts and pieces to find out the differences in decimal or inch format.

   The ONE-THING I have not found is the "T-18 Interchange" bible.

Novak may be the bestest, but he does not explain in measurement-terms just what will match with what of the 3=choices ( Ford, IH and Jeep). This is the Confusing part for us guys who haven't dealt with these trans ever, or like me, the last one I tore-down and installed, was 35-years ago.

    Please bear with me, and I Do appreciate all knowledgeable input.

   Until I read the Four-Wheeler article for guidance, there was No-Way the mainshaft assembly was going to squeak-out of the case without removing the Reverse-shifter pivot-and retainer-pin. Doggonit, this thing is a Turd !
I say that from the Robin-Williams movie "RV", and they nicknamed the rv the Turd because it was Big and sluggish. This T-98 is Big and HEAVY.

   First off with the Bearing Separator, it would not expand enough to fit over the input bearing to lock into the retainer-ring groove.
A brand new 4-1/2 inch separator will only expand to 2-1/2" inside, and the outside diameter of the bearing is 3 and some inches. (I cannot quote the diameter off my head) sorry, too many numbers. Here I have the largest of AutoZone's separator's and it only expands to 2-1/2", so why is it advertised as a 4-1/2 incher ?



    Moving forward one step and backward one-step:   it took me forever to mock-up the Separator and Puller onto the transmission. Please see below:


   I have a "confession" to make regarding THIS PHOTO !!
I no-sooner got this separator retrofitted to pull, and then realized I had not removed that Pesky front bearing retainer CLIP.   Oh No.
Yep, I had to take it all apart after feeling so Rosy about my good endeavors, and fought that dang Clip for what seems like an "effort-less-Eternity."

   Anyway, on one article I have read the guy said that his trusty retainer-ring pliers were really not up to the task of removing the clip holding the input shaft bearing in place. Nor was mine, and I have a nice pair of Proto's.
   I fought that clip for at least 30-minutes cussing and swearing. My dad is a religious man, and he can Cuss-like-a-sailor. I don[t think I got it from him, but from my Own-Aggravation. That clip tested my patience and when I FINALLY got it, whew, I was dripping sweat from head-to-toe, and wound up jumping in the pool. It is a real booger trying to strip-off wet clothes while wet, to then get wet.   and I don't live in a humid climate.


   this photo shows my Bearing Separator "mock-up" that I had to do to get the Separator to expand enough to reach around the front bearing race and attach to the retainer-ring groove.
   What I did is used a nut for the threaded rods to act as a coupler, joining the two together end-to-end for one side of the separator. Then for the other side, I used a piece of 1/2" tube steel "scrap" with Vise Grips to lock the other side of the separator. Then I attached the long rods for the Puller-bar to attach to and bolted the Puller-arm to the rods. Presto !

   Why do we always have to retr0-fit stuff to make it work.   Because !!

   Next item of interest is to remove the roll-pin that locks the pivot shaft for the Reverse-idler-gear (which engages and disengages Reverse Gear) to the transmission case.


   this photo shows the Pin after I finally got it to MOVE.



No wonder some articles or service manuals say to "remove part xxxx" without any detail on procedure. I am trying to describe procedure to help the next poor soul who takes an interest in the T-98 / T-18 conversion to the L134 Willys engine-bellhousing.
   In my case the driven-end of the pin was visible. The end I was to smack to drive out Was-not !   I cleaned and scraped to no avail. So, I broke out Dremel !   yep, good ol Dremel that I swear I use each-week on Something.



   20-years ago, I bought a set of Diamond-cutting-wheels for Dremel, curious of if they would really cut anything, because _ _ _ they were made in China.
And we all know the reputation of some goods produced back then. But, while I am kicking China, I do have to praise them for One Thing. High
Speed drill bits.   I have to fess up that I have never had a better cutting set of drill bits than the ones I purchased at a Sacramento, California Price Club in 1982. Most of those are working fine except for the ones I have broken.
    Ok, I scarified a spot on the transmission casting trying in vain to "spot" an outline of the end of that drift-pin on the Reverse shifter shaft-to-case issue. So I lined-up best I could with the pin from two directions and with my short handled 3-lb maul and punch I gave Her a big Smack ! No-Movement. yep
   I repeat this monkey-motion about 6 Times with fingers-crossed for movement.
YES _ _ it happened, and with some finaggaling, the pin came out.



Please note that the shaft that the Reverse shift arm pivots-on does have an "O-ring" to seal the shaft-to-case !   very clever guys there at Borg Warner. The little shaft pushes out from the inside very easily.   Finally, yes, something EASY on this transmission "sweat-job" to disassemble.



    Pulling the input bearing was a loooong-tedious-task. That front bearing was TIGHT.   yes it was, and I remember a guy in one article who disassembled a IH Scout T-18, and he said it was TIGHT removing bearings and syncro-hubs off of the Scout shafts.   I have to say that Corn-Binders were TOUGHT-TRUCKS. and Gas-Hogs with the 345 engines. ( I had a nice '71 4x Travel-all ).
    
   Now, I am at the point where the front input shaft (driven-gear in French) and the rear output bearing of the main-shaft has been removed, and the Reverse shift-arm, we Can-Now remove the Main-shaft Assembly up and out the top of the case. Before doing this, I was going to be "smart" and pic the roller bearings carefully out of the back of the input shaft with my magnet. It didn't work.

    Ok, I am stopping here and will come back to edit-in photos.


Posted By: Greaser007
Date Posted: 18 June 2019 at 4:26am
Good grief, this task of trying to be descriptive is tedious.
The photo loader is a real challenge, and I have been having trouble with my description-box "freezing-up" and not being responsive. Geesh, I don't know if it is me, or my sensitive lap-top pad.
   I keep loosing my entered text upon "refresh" and am learning to input my text, and Post-Reply. Then go back in the thread and "Edit" to drop-in photos.

   I am wondering if all this is worthwhile, but in the back of my mind, there are many guys who can benefit from this information.

Below is the Ford T-98 case with driven-gear (input-shaft) and the Main-shaft assembly removed.


   This photo shows the case with Counter-shaft and Reverse idler in place yet.



   this shows the input shaft and main shaft assembly together
Here is what I know about Syncro's: if you look at a gearset like this and wondering if the syncro's are good, there must be a Gap between the sycro and the gear it is meshing with. If no gap 1/16-inch approx., then the syncro is most likely worn. On this Ford T-98, there is the 1/16-inch clearance, and the grooves in the tapered area are very distinct. These are Fine.
Granted, I am no expert, but in my lifetime I've had many a transmission apart.
One of the EASIEST transmissions to work on is the New Process 435 4-speed.



   my red CJ-7 in the background of the previous photo, and this shows the
mounting of the 2-inch tube steel crossmember I had fabricated-up when I installed the Ford T-18 trans back in 1984 using a Novak Adapter kit.


   Forgive me for the undercarriage being dirty, but this shows more of the crossmember and T-18 mounting in my '77 CJ-7 renegade with 304-V8 engine.
I have to admit, this transmission makes the Rubicon Trail a fun outing.



   This shows the backside of the 17-tooth input shaft where those pesky roller bearings reside. I tried carefully removing them with a magnet, and it didn't work well because the gear teeth would strip them off and the drop to the bottom of the chasm.


   this shows the "ring grooves" on the beveled portion of the Syncro Ring or in French terms (Blocking-ring). Why aren't parts described in one-language ?



   this shows the wire clip that holds the "gismo's" in place. My brain is getting numb, and I forget what those 3-clips are called that lock the locking-ring to the Hub on the shaft.
Note: when sliding the locking-ring into the forward position, I think this will be 4th gear locked to the locking-hub. This forward locking-hub is for the 3rd / 4th gears.
   The big locking ring towards the rear of the Main-shaft assembly is for the 1st (compound-low) / reverse, and 2nd gears. These two gears also have a locking-hub for 1st / 2nd gear "locking-ring".
    Geesh, hey, you guys make of this what you want, because I am not a professional mechanic, so I don't speak in mechanics terms, but shade-tree.

   Ok, I wanted to say something about removing the Cluster-Gear out of the case. First thing to mention, this is a 60-year old Ford T-98 tranamission. The roller bearings compared to the T-90 are Bigger. Yes, we all know that every component develops a wear-pattern. We would like to keep the rollers in the correct order but that Ain't going to happen. Shet happens, and we just do the best we can and sometimes those rollers must be mixed-up plain and simple.
Roller bearings are very difficlut to wear-out when proberly lubed. This transmission has already outlasted the guy who bought it new, and it will outlast me, and probably the next guy behind him.
    I keep pipe and tubing laying around because we never know what we may need tomorrow, and luck was on my side today, and I found a piece of aluminum pipe that I can cut to the correct length to use as a "dowel" to push the cluster gear shaft out, and it will retain the rollers and spacer washers in place.
    This I will do on Wednesday or later in the week so I can flush the case and get it over to the machine shop.

    This has really drug-on, but I have been busy dealing with moving my 91-year old parents into a Senior-mobile park, and driving them here and there.
I love my dad, and am following my instincts to nurture him and mom.
Funny how we are so much like parents, but So-Different.   right !

   Hope this may help somebody in a disassembly.

   I am chomping on the Bit to get busy welding-up my L134 Willys bell-housing to accept the Ford T-98 transmission, but it is at the machinist's shop.

    More Later as the project continues.



Posted By: Greaser007
Date Posted: 19 June 2019 at 7:13pm
   Wed, June 19th UPDATE:

   Ok Everyone - I stopped by my machinists shop yesterday late.

   HE'S DONE !!

   OMG, _ _ _ I am so thrilled with his work. I am very very pleased with the little "coffee-cup-coaster" Adapter that he made for me. As I had mentioned earlier, I had made color prints of the photos that Seth (mellenial-falcon) had posted on his T-18 thread, so my machinist, Mark, could understand the goal.
   No-kidding, after boring my bellhousing out to 3-3/4 inches I took the Scout T-18 trans into him so he could make sure the Adapter ring (Coffee-cup-Coaster) would fit to his satisfaction. I instructed him to copy the measurements of the back-side of the Front Bearing Retainer that came off of the Scout T-18.
   We were sitting in the "foyer" of his shop, and he looked at me and said "I am still confused." Hey, at least he admitted his confusion. We need good communication for sure for a good understanding of the goal.
   That was when I told him to think of the Adapter as a "Coffee-cup-Coaster" with the transmission side the exact replica of the front brg retainer, and the front side having a "cup" to receive the L134 front brg retainer / throw out brg spud. He looked at me in the eyes, and said " I've Got It " !!
    And I explained that in the end, the Scout T-18 input shaft gets sent to Moser Engineering to be turned down and re-splined to match the L134 spec.

   That was the day that an old-guy walked into the shop and him and I began visiting. I explained what I had the machinist making for me for my Willys, and he piped-up and says " I have an old Willys engine " !
    Ha, so I asked him what he would pay me to haul it off. I got a puzzled look from him. :)    I figured that would get him off-balance. hahaha
The old guy mentioned that the engine powered an old Hobart Welder.
   I wanted to visit with this old guy, because he got going on his earlier years as a Mill-wright. The largest timber holding company, I think, in California, is SPI (Sierra Pacific Industries), owned by a guy, Red Emerson.
This old guy told me that he re-furbished every Piece-of-sh*t Sawmill that Red Emerson bought over the years. Ha, I just love visiting with these old guys.
    Uh, _ _ _ _ I like to think of myself as a youngster, but at age 67, I am fooling myself only. yep, gray-hair and thinning badly. The curse is too, is the brain-fade associated with aging.   God help us ALL. (early Alzhiemerz)


   I was sent out back of the machine shop yesterday, and here is that Hobart welder mentioned by that Old-Guy. His name is Dave.
   When I was talking to my machinist, Mark, I told him that I left early the other day while chatting with that Old-guy mill-wright, because I thought I was interrupting business, and cut the conversation-short, and left.
   Mark chuckled, and said:   "that is my DAD" !!   OMG, what a small world.

   Below is a shot of my current Mock-up with my new "Coffee-cup-Coaster" with bellhousing slid over it, and up against the Ford T-98 transmission case, and the L134 front bearing retainer in place with the L134 shaft sticking out.


   this photo shows the L134 front bearng retainer bolted into the new Adapter and with my L134 Bellhousing slid on over the adapter. ( it is not rotated perfectly, so disregard any alignment ). I pieced it together just for Staging-purposes and mock-up. One thing is For-Sure, if my welding proposition concept of attaching the Ford T-98 transmission ears to the L134 bellhousing doesn't work, then I can do like Seth did and just Bolt the bellhousing direct to the Ford T-98 transmission face. Yep, either way.


   this photo shows the Scout T-18 transmission with the "coffe-cup-coaster" Adapter that my machinist made for me. I am liking it yes.

Well, again, I have been "had" by the computer-world, and my photos come-in Sideways.   Granted, I took them with my I-phone and once copying them to my lap-top harddrive, I rotated them and saved them. for some reason, something is remembering the orginal 'orientation', so here I am Sideways-Again !!!

    Heaven help me. I give up.








   this is a "dummy-photo" in a sense, hahaha, because the input shaft is the T-90 shaft just stuck through from inside the Ford T-98 transmission case.
But, in my out-dated-opinion, I think it is coming along nicely.
Which now, I can finally send my input shaft to Moser Engineering which came out of the pre '79 IH Scout T-18 transmission. YEP




   this shows my "mock-up" of L134 Willys bellhousing in place up against the Ford T-98 trans face, and over the "coffe-cup-coaster" Adapter.
Don't worry aobut rotation, because nothing is bolted together here. The reason one retainer-bolt is missing, is Because.   _ _ the head interfered with the bellhousing index-hole. uh huh, but the snap-fit of everything was reassuring that Mark paid attention to tolerances. I just love it. :)
What was once a "pipe-dream" in my brain, is now a Reality.
   ( I will soon be able to cross-off another Bucket-List Item.


   well, I negotiated a deal with my machinist, and I will be taking delivery of this old Hobart in a few weeks. Heaven-help-me, I have the ADDICTION !!


    I'm ready to head to the Lake !
    This shot is at the Lake Almanor boat launch at the south end of the lake.
Now, I've kept this 1971 Winnebago motorhome running since 1994, and we roll out July 26 for a "weeks-Vacation" from the Willys.   hahaha
    I cannot count how many times this motorhome has launched our boats over the years. In this photo are the two Sea Doo GTX waverunners that I maintained for the "family" for six years. they have the 851 Rotax engine, 2=stroke.


Posted By: AKoller
Date Posted: 19 June 2019 at 7:35pm
Your project is starting to come together! You're doing a lot of what I'm doing on my SM420 swap which is hurry up and wait. I should be getting the rest of my parts this week from Novak and than I can finally get back to work on mine. Good luck to you and keep up the good work.

-------------
1950 CJ3A "Thumper"
1966 M151 A1
1942 GPW #70221


Posted By: Greaser007
Date Posted: 19 June 2019 at 11:17pm
   Koller,

   I tried in vain last week to get a call through to Novak to order a sealed bearing from them, and got their recording, but it would not switch me over to a working line. hmmm    _ _ is this part of their move to Utah ?

   Very Cool ! _ _ _ i'm with you on the "hurry-up-and-wait" protocol.
There are many times that I have considered the SM420. My buddies who ran Land Cruiser's on the Rubicon, installed chevy 350's with the SM420 trans, and they had good luck with them.

   Each little step takes so many hours of working-and-waiting. And then there is the element of Anticipation. I remember all those years of prepping my jeep ahead of the Rubicon run, hoping that "everything" mechanical was lubed and adjusted properly and ready for the green-flag-to-drop. These Granny-Gear transmissions make trail-crawling such a treat.

   

   


Posted By: AKoller
Date Posted: 20 June 2019 at 12:22am
Originally posted by Greaser007 Greaser007 wrote:

   Koller,

   I tried in vain last week to get a call through to Novak to order a sealed bearing from them, and got their recording, but it would not switch me over to a working line. hmmm    _ _ is this part of their move to Utah ?

   

   

I called Novak several weeks ago and got right through to customer service. The guy I talked to was quite helpful and was able to answer all my questions. I ordered my parts from them online last weekend. I had an email from them Monday with a receipt and a FedEx tracking number. I should have it all tomorrow!


-------------
1950 CJ3A "Thumper"
1966 M151 A1
1942 GPW #70221


Posted By: Millennium falcon
Date Posted: 20 June 2019 at 1:16am
That looks familiar! haha! nice work! Im happy for you! keep it up! 


Posted By: smfulle
Date Posted: 20 June 2019 at 5:38am
Originally posted by Greaser007 Greaser007 wrote:

  

   I tried in vain last week to get a call through to Novak to order a sealed bearing from them, and got their recording, but it would not switch me over to a working line. hmmm    _ _ is this part of their move to Utah ?
 

Sorry you’re having trouble getting to Novak. I’m pretty sure they have always been in Utah, or at least as long as I’ve been dealing with them for the last 5 or 6 years. 
 



-------------
Stan
48 CJ2A (Grampa's Jeep)
59 Chevy 1/2 ton
https://www.thecj2apage.com/forums/grampas-cj2a_topic16836.html" rel="nofollow - Grampa's Jeep Build Thread


Posted By: Greaser007
Date Posted: 23 June 2019 at 7:54pm
Lee,
   So TRUE I am finding out, because when I spoke with the young man at Moser Engineering, he said "bring-it-on" and send both shafts.
    It was such good news to hear that encouraging-word.

Smfulle,
   I finally got a line through to Novak, and got a T-90 sealed front bearing ordered Friday !   yeeaaay.
   I am going to send the front bearings with both the T-90 L134 input shaft to Moser as their "template" along with the Scout T-18 input shaft to be turned-down and re-splined to the L134 template.
   For those who have not done this yet, the groove on the front bearing provides a depth measurement from face-of-trans to pilot-bearing-end of Shaft for length determination.

Ken (oldtime),
   _ _ _ I did some "measuring" yesterday, and the hole diameter in the input shaft where it receives the stub from the Main-shaft VARIES.
    My note-paper is out in the shop, but I will edit this at a later time to reveal the subtle difference between the Ford t-98 and the pre-Scout T-18.
I have been doing some 'backyard-pondering" on the idea of what you mention about a different shaft size in conjunction with a standard T-18 front bearing retainer.   Correct me if I am mixed up here _ _ _ but it seems that there is a variation of the T-18 or T-19 front bearing retainer that is 1-3/8 inches O.D. where the Throw-out bearing rides. Then I have found some GM throw-out's that have the 1-3/8 inch I.D. too.   Now, I have not been able to find dimensions on the O.D. of the GM throw-out's, which may prove to be too Large diameter for the forks on the L134 pressure-plate arms.   I feel it would be easy enough to modify a clutch fork to whatever spec we need to fit the throw-out holder, but that is so-far "un-explored" territory.    hahahahaha

   Koller,
    I too have a tracking number from Novak. I told the guy who answered the phone that a week back, the answering system would not transfer me over. And I told him that back in 1984, when I had ordered the T-18 kit for my '77 CJ, that I would have sworn they were in California.   He said YES once-upon-a-time they were before Novak sold the business approx. 15 years back.

Below is a few shots of the Donor Ford T-98 bellhousing "ears" ground to lay over the Willys L134 Bellhousing:


   this photo shows the fitment of the donor Ford T-98 bellhousing ears laid over the early Willys L134 Bellhousing.   pre-welding


   another view of the donor Ford bellhousing ears laid over the Willys bell.

   NEXT STOP:   Grinding V-grooves in strategic locations for welding, and fabricating web-stiffener plates to reinforce the ears at all 4-corners on the engine-side of the donor 'ears'-to-L134 Bellhousing.
   ( I swear I have dwelled on this configuration for HOURS and DAYZ )
I think it has put me into a DAZE !!    hahahaha

   What is that saying about the Best Laid Plans of Mice and Men ! go figure.

   And then there was that guy on YouTube who did the weld strength-test and had best results using 7018 with the flux removed ! go figure that one !
   Now, I have to stress once AGAIN, my Dad, age 91, who was a part owner of an engine machine shop for 20-years and an employee of GM for another 20, reminded me that years ago, some of the best local welders told him they had best-luck welding Cast Iron with straight Cast-Rod.   BOOM !
    I am old-school and have old-school ways. I am not a professional welder, but, I have only been melting things together for 50-years, and always feel as though I am still on the LEARNING-CURVE.   is later-life a "re-learn" of what we have forgotten over the years ! The brain-registery is an amazing reference to draw-from if it is still UPDATED frequently. Now, the storage capability may be lacking, and there are no-known "updates."

    More Later !

    I'm BACK !!

   Below is the welder I will be using:
I think it is a 1957 Lincoln SA-200 Pipe-liner's welder. Kinda Cool machine.




    I think I took ownership of this welder sometime around 1992. The engine had been partially disassembled and the head was off. I floated Marvel Mystery oil on the top of the pistons for 4-years, and then rebuilt the engine after pushing the pistons up-and-out.   I always kept the welder for backup, but only fired it up about every 8-years since and would weld one inch of bead and shut it down.   Until Now !



   So, for the transmission project, this is my only stick-welder.
I have never owned a buzz-box, but did buy a new Linde 225 Mig-Master in 1984, and that has been my main source of welding machine.
    Note: this is a First-Time to weld Cast Iron.

   The first electrode to experiment with was Harris Ni-99 rod. I set the machine to 45 volts and laid a short bead.   Geeze-Louise, I have to have the electrode almost floating in the puddle. If I pull-back to increase arc-length, I loose the arc.



    Next try was to turn the voltage up to 70 volts. Hmm, much hotter, but I think I like the 70-volt range.


   so, on this photo, the left-half of the bead was @ 45volts and the right portion of the bead, which looks much better is set at 70volts. I like the 70.

    Lincoln Electric says in their tutorials on the website says to weld at a Low Voltage.    And if you don't have an oven, then pre-heat, and do short welds and peen lightly with rounded-point slag hammer.
    I'm buying into that procedure because that is what my welding mentor taught me many years ago in 1973.

    So, to date - I have burned only two sticks of the Harris Ni-99 rod, and with very satisfactory looking beads. IMO   
If my memory serves me, the Ni-99 is machinable.

Below is an interesting YouTube video of a guy testing weld strength:
https://www.youtube.com/watch?v=zggrKXRPkyI


   that's all folks for now :)



Posted By: oldtime
Date Posted: 24 June 2019 at 3:33pm

This is VERY nice and exactly how I would have approached this particular bellhousing modification.
I suggest you radius the corner when done and scallop the two sides to give a factory look.

Use 1/8" rod @ 55% nickle and it will be best to weld it using AC.
Does your pipeliner do AC ? Not likely....
I've welded several Jeep transmission cases and also Jeep cast steel adapter plates that way with excellent results.
You don't want to vee the casting all the way though. 
Leave about 1/8" without vee for your root pass.
Casting can always be vee'd from other side if need be after you lay in the root pass.

This related article shows an adapter I made using a Jeep casting...
http://earlycj5.com/xf_cj5/index.php?threads/t15-to-dauntless.124841/" rel="nofollow - http://earlycj5.com/xf_cj5/index.php?threads/t15-to-dauntless.124841/



-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Greaser007
Date Posted: 24 June 2019 at 10:05pm
   Ken,
   Nice work there guy ! I read through the link you posted for your adapter modification. Such exciting stuff I think, coming up with some next-to-impossible Concept that just might Work if followed through.


   Ken's (Oldtime) adapter shortening concept. _ _ it worked and looks good.

   IS there a mainshaft that can be mated to the T-98 input shaft ?
   I ask because all I know is that the hole in the back of the Ford T-98 and in the back of the Scout T-18 were slightly different diameters.
   You had mentioned something about the synchronizer hubs for 1st and 4th may be different diameters than those of the Jeep T-18 and a possible gear-bevel difference.   Is there a IH Scout forum thread that explains the differences ?

   I have not yet measured-out each and every component for comparison of measurements between the two transmissions. And, I have been keeping my eye on Craigslist for a Jeep T-18 w 6.32:1 granny, and nothing popping up yet, until I am done with the 4:1 pre-'79 IH Scout T-18.


   I scrubbed the T-98 trans case yesterday and gave it a Krylon over-haul.

    Below is another morning Mock-up with early Willys bellhousing indexed over the Ford T-98 transmission case with the new 'coffee-cup-coaster' adapter.
Please note, the Ford truck bellhousing Ears are in place over the face of the Willys L134 bellhousing to check for non-bind.




   Well, upon looking at this photo in the "preview" window, I will need to slightly clearance the Willys bellhousing for the slight amount that the Cluster-gear shaft protrudes beyond the face of the trans-case. another item.

   
    Yep, I need to get down to Tractor Supply for 4-9/16"-12nc x 1-3/4" bolts to attach the donor-ears to the T-98 transmission face.

    So, then, my next step is to V-groove the Donor-ears plate to allow room for my weld beads to Willys L134 Bell-hsg.



Posted By: Greaser007
Date Posted: 24 June 2019 at 10:39pm



   In this photo - I am looking down the Rabbit-Hole. :)

   There are days when I wonder if the inside of my brain looks like this.

   Ha !    _ _ _ or a worse scrambling of clutter.


Posted By: oldtime
Date Posted: 25 June 2019 at 2:39am
Golly, I'm getting a tad confused myself trying to keep up with what you might have in mind... Ha Ha Ha !

For starters lets talk about the various T98/T18 transmissions and their cases in general .
As you know these old BW T98 and T18 were used on most anything back in the day. 
Forklifts, log skidders you name it. 
Some of them had very unusual parts like all the gears being cut at reverse angles and so forth.
So to much simplify I'll prefer we keep it to the big 3 automotive users. Ford, IH and Jeep.

Ford cases are all divorced from any transfer case so none will have a use able 6 spline main shaft for D18 /D20 applications.
Essentially all Jeep and IH have correct 6 spline main shaft  that is required.

Both Jeep and IH models also have the D18/20 adapter plate but the IH plate always clocks the transfer case downward as compared to the Jeep rear adapter plate. 
Myself I find the IH rear adapter plates to be essentially worthless.

The rear of the Ford casting must always be re-drilled to accept a rear adapter plate.
The front of the Ford casting can usually be redrilled to accept GM bellhousings.

The front of IH and Jeep castings can have ears welded onto them so that the transmission may be bolted direct to most any bellhousing.
Welding ears onto a Jeep casting is my preferred method for mating one to a GM bellhousing.
For mating a T98-A to a Willys bellhousing my preferred method is to use the factory bellhousing adapter plate. 
But on the downside that adds another 7/8" to the drive train OAL.

PTO port for Jeep and IH are always on the left where it can be accessed if desired.
For Ford (except T19) its always on the left and so the transfer case interferes with using it.

Otherwise T98 and T18 cases are usually swap able except the big difference between pre and post 1978 versions.

 
Quote   IS there a mainshaft that can be mated to the T-98 input shaft ?
Yes both Jeep and IH main shafts can be used in place of the longer Ford main shafts.
The Jeep T98/T18 or the IH T98/T18 is required to mate the transmission to a D18/D20.
I believe most all the Jeep/IH 6 spline mainshafts are virtually identical.
T98's used a castellated nut on the rear while later T18's used an ESNA (AKA nylok) nut.

Quote  I ask because all I know is that the hole in the back of the Ford T-98 and in the back of the Scout T-18 were slightly different diameters.
 
That will effect the size of bearing that can be used. 
Normally the T98/T18 uses a 308 series bearing.
I'm not familiar with any of the early Ford T98 cases using bearings other than the 308 series.
Even the earliest Jeep T98 used the 308 series for rear output as shown below

GROUP 17-03 
912341---------------T98 mainshaft---------------------------------------------MRC 308 SG
912341---------------T18 mainshaft---------------------------------------------MRC 308 MG

FAFNIR.......MRC.........SKF............TIMKEN..........FM...........BCA
308KG........308SG.......6308NRJ.....308L..............308LI........308L3

Yeah these Borg Warner transmissions are getting harder to find.
I have not seen any T18 show up for about 2 years now in my area.

I'll see if I can measure up on some of the Ford /Jeep main drive differences. 
I rather doubt that anyone has that sort of info charted anywhere.

If you have an IH 4.02 about the only thing worth keeping is the main shaft including the large seal bushing and end nut.
Also the rear adapter plate, the counter haft (88 needles) and possibly the reverse idler shaft with bearings. 
Plus the complete shift tower assembly.
Otherwise IMHO the 4.02 IH parts are about useless for Jeeps.
AFAIK the Ford 6.40 T98 is worth keeping excepting the Ford mains haft and tail shaft parts.

You cannot simply swap many internal parts between a 6.40 T98 and a 6.32 T18.
You basically need to go with T98 or T18 but not both.
Several major parts do not swap between them. 
Like the counter shaft (AKA cluster) gears.
Even though the counter shaft and the 88 counter shaft rollers remain the same.


-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: oldtime
Date Posted: 26 June 2019 at 3:56pm
Len, I spent some time thinking about your stuff and what all I could recall that may be related.
You have a old Ford T98 and an IH with 4.02 gears. 
The only parts that directly interchange are the shift tower assemblies.
The PTO covers, the internal reverse shift lever and the countershaft including the needles.

You certainly will need yet another T98 or T18 to make this happen.

To mate to any D18 or D20 you must use either the IH or the Jeep 1-3/8" @ 6 spline main shaft.
You can use either the T98 or a T18 main shaft and that alone will designate this as either being a T98 or T18 transmission.
T98 main shafts all have a much smaller maindrive pilot than do the T18's.
You will never mate a T18 main shaft into a T98 maindrive regardless of the pilot needle count/diameter.
I suppose it may be possible to reduce the T18 main shaft pilot diameter down to fit into the smaller bore T98 maindrive but you would go through the pilot tip case hardening to remove that much diameter.
And besides the T18 mainshaft will never accept the needle rollers to go under the 2nd speed gear.
So trying to swap a T18 maindrive into a T98 transmission is totally impractical.

From my experience the only internal gears that can be swapped between T18 and T98 is the reverse idler gear. 
And that swap is very questionable as it must include the correct sliding gear. 
Yes even the big 1st reverse sliding gears are different. 
That 1st reverse sliding gear alone is the reason why a T98 has 6.40 ratio while the T18 has a 6.32 ratio.
I swapped them around one time a few years back but did not like the way the small gear at rear of the counter shaft mated to the interchanged sliding gear.
I felt that particular swap could initiate 1st and reverse problems over time.

Got that ?

So bottom line is your going to need more parts then you can figure on either building a T98 or a T18 not both.

Her's a pic of the very long 1-1/8" diameter T18 maindrive from J truck.


-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Greaser007
Date Posted: 04 July 2019 at 6:52pm
   Ken,
   Thank you for assembling your explanation of the differences in the mainshafts between the t-98 and the T-18 / 19's.

   Ha, I was even doing some snooping the other day looking for a conversion needle-baring that would adapt the larger snout on the T-18 to the hole in the back of the T-98 input shaft to mate the two together.

   Then _ _ _ as you say, there are Differences where, ( if I am getting this straight ) in the Second-gear syncro-hub and the gear. The gear from one riding directly on the mainshaft, and the other riding on needle bearings on the mainshaft. So, the mainshaft's don't interchange.
I can still move the 4:1 t-18 innards to the T-98 case. whew.

   Omg, I went to haul my flatbed trailer to unload it so I can take possession of the old Hobart welder with the Willy's engine, and my wife told me the trailer came off the ball twice in the yard last week !   The outcome, I broke out that trusty new diamond-blade, and cut-off the 1-7/8" coupler, and welded on a new 2" coupler that I only had bought new 25-years ago, and never installed.
   Life keeps getting in the way of mucho-progresso, and so forward progress on my transmission project is going SLOW-MO.    hahahaha

   I should have phoned Moser yesterday, but with it being the day before the big 4th of July holiday, I am going to wait until next week for directions of just what all they want me to send them.
    I am going to have them turn down the 4:1 granny T-18 input to match the little L134 input.

   Like you mention, after searching in Vain on the net, I cannot seem to find any information anywhere which tells me how to get a D-18 compatible-output mainshaft that will match-up to the T-98 input shaft hole, except one of those extinct and rare outputs that were used originally with the T-98 to D-18.

    Thank you so much for chiming-in with your knowledge, with hopes this will assist someone else who wishes to attempt this conversion on their own.

    I am about a 4-hour drive to PartsMike in Aubrun, California, and I think the guy's name I spoke with on the phone was "Dell" and he was very helpful, but I got off the phone somewhat confused with just what interchanges with what.   I told Dell, that I would try to set aside enough time in my next visit to Sacramento to drive up to meet him in-person.
    ( maybe I will drag JeeperJim up there with me for moral-support ) haha

    I've been tinkering with the welding electrode with good results, but I did discover that the 309L electrode burns nice, but is almost impossible to File.
    The other electrode that I have tried is the Harris Nic-99, which burns-in good, and have not yet attempted to file it yet.

    I Did do some finish up work on an exhaust manifold repair that I first welded a replacement 'ear' onto a F-head exhaust manifold, with missing ear, using the Harris Nic-99 electrode.
   Then I finished-up with brazing rod. OMG, I liked the bronze welding (or brazing, whatever), and easier than using a coat hangar with the Oxy-Acet torches. The bronze dresses-down easy with a file. :)    _ _ _ user-friendly.
Get this: the brazing rod was about 3/32-inch hollow square tubing filled with flux. This was given to me by an old-guy, who mentioned it was given to him by another old-guy many decades ago. I wonder how old that brazing rod is ?

    _ _ _ and, now that I have been looking for a 6.32:1 T-18 or 19, I have not seen any locally on Craigslist.

    Ok, that's it for now until maybe after I get my input shaft sent to Moser for the 4:1.

    Oh, before I FORGET to mention it:
    Here is my experience with enjoying a T-18 in my '77 CJ-7 for 34-years.
While the T-19 has sycro gears, and my t-18 has a syncro 2-nd gear, it is almost IMPOSSIBLE to pull the shifter out of First (granny) to shift into 2-nd gear while Moving forward !!    I'm not kidding here. While driving forward and even if letting off the gas pedal, you could put your foot against the dash and pull with all your might, and probably won't be able to pull the shifter hard enough to get out of Granny-Gear until forward momentum STOPS.
   And, I think the granny-gear is very-user-friendly on Clutch Discs with very little slippage required.   I'm getting Anxious yep. :)

    Len




Posted By: otto
Date Posted: 04 July 2019 at 8:46pm
And, I think the granny-gear is very-user-friendly on Clutch Discs with very little slippage required. 

I like to start out in the granny gear with the clutch engaged and just bump the starter if I’m on a hill up a trail. I love having that low gear!


-------------
47 CJ2A w/fuel injected boat engine
48 CJ2A
64 Ford Econoline Travelwagon
If you can't get there in a Jeep, get a motorcycle!


Posted By: jeepsterjim
Date Posted: 04 July 2019 at 9:03pm
LEN

Have you had the chance to talk with Travis from WFO?  Very knowledgeable guys.  WFO is above Auburn on 49.

Jim


-------------
Jim
CJ-2A - 81299


Posted By: oldtime
Date Posted: 05 July 2019 at 3:45pm
Quote ( if I am getting this straight ) in the Second-gear syncro-hub and the gear. The gear from one riding directly on the mainshaft, and the other riding on needle bearings on the mainshaft. So, the mainshaft's don't interchange.
Correct, I think you got it. 
So in order to fit this transmission to a Dana a 18 or 20 it must be built either as a T98 6.40 or as a T18 6.32 not both because most parts are too far different between them. 
That said a few parts still remain as being directly interchangable, having identical part numbers.


-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Greaser007
Date Posted: 07 Aug. 2019 at 7:33pm
   jim,
   No I have not.

   Maybe the next time I make a run to Sacto if I can get down early enough, I could throw you in and take you with me and we'll visit WFO.

   Oh, good news maybe, I drug home the Hobart Welder this morning. I don't have a loader so may have to skid the Hobart off my trailer. It may be ages before I tackle removing the L-134 from it, maybe this winter.


Posted By: Greaser007
Date Posted: 07 Aug. 2019 at 8:35pm
   Ken,

    Thank you so much for staying with me on this. For some reason, I just cannot seem to find any accurate information with dimensional differences between the T-98 mainshaft and gears and the T-18 mainshaft and gears.
Ken, I am a career draftsman who's brain thinks in a dimensional world. haha
And I am just not finding dimensions anywhere other than what my mic shows me.
example: O.D. of the mainshaft where 2-nd gear rides.

    I am understanding the differences that as you say, there is the snout diameter diff on the mainshaft and the hole diff in the driven gear (input shaft) between the T-98 and T-18.
Does the Ford T-18 driven gear rear pilot hole accept the Scout T-18 snout on the mainshaft (output shaft) ?


    on your June 26 thread you mentioned:
1. You can use either the T98 or a T18 main shaft and that alone will designate this as either being a T98 or T18 transmission.
2. And besides the T18 mainshaft will never accept the needle rollers to go under the 2nd speed gear.
So trying to swap a T18 maindrive into a T98 transmission is totally impractical.

If I have this correct (without looking at a schematic) it is the T-18 that the Second gear rides directly on the mainshaft with No-needle bearings.

I have to admit that this would be very confusing for those who have not meddled with these transmissions.

   I finally did get my Scout 4:1 T-18 input shaft SENT OFF TO MOSER ENG. yesterday evening. FINALLY.
   I called and spoke to Aaron and explained I would send him the long Scout T18 driven gear (input shaft) and the T-90 driven gear as the "template". Also too I sent hime the T-18 and T-90 input front bearings that have the groove so they can use that for determining length of input from face of trans to end of input shaft snout.   Oh, and I sent hime the Beck 8-1/2" Clutch Disc too, so they can check fit for slippage of the Disc hub on the new splines they will cut.   Aaron said that Jeff is the Guru in the shop, so if there are any questions, I will be hearing from Jeff.
   Seth, are you out there !   I remember you mentioning that when you cut your shaft down, did you cut it so the splined portion of the shaft extended 1/4 inch closer to the crankshaft for the clutch disc to ride on ?

   Ken, another question:   Ford T-18 talk here
   If I am getting this anywhere close in my understanding, if I wish to use a Ford T-18 from a 2wd pickup, the Scout T-18 mainshaft with the 6-spline output should interchange because they are both T-18's ?

   The Odd-Duck is the Ford T-98 internals that just don't exchange well with T-18 internals.   ( other than what you previously mentioned about rev-idler.

   Seth had mentioned something about the Blocking Rings being difference one to another. And my Scout t-18 does have the Thick 3-rd gear blocking ring.
    From what I gathered in his (millennium falcon) transmission thread, that he had to purchase a 3rd gear sliding syncro hub and syncro to make something match up.    I'm a little confused here.

   Dang-it, there is no excuse for the 3 P's (p*ss poor planning) on my part.

   Hahaha, like most of us, I have been accumulating parts, and each time I begin doing research I have so many bookmarks that after 2-hours of trying to digest all these differences, my brain turns to mush, and I shut down and move on to something else.

   I will place all the T-18 4:1 parts into the Ford T-98 case, and then may have my machinist drill the T-case adapter mounting holes into the rear of the T-98 transmission case for me. What a rubix-cube puzzle.   hahaha
(remember: when I was tapping the threads into the rear of my T-18 in my '77 I had the idea of tapping the threads with my Variable-speed drill press, and burned up the Circuit Board).   :(
That loss cost more than the Novak kit I had purchased at that time in 1984.
   Just this morning, my 91-year old father asked if all this trouble is worth the effort.   He has ridden through the Rubicon jeep trail with me and the Dusy-Ershim trail up above Fresno at Courtwright Reservoir, and I had the T-18 in my CJ-7 at that time, so he "knows" it is worth it.   snicker.
I told him it is just a "Project-Puzzle" to tinker with.

    Boy, I could use a Cold-Soda soon !

    Len

   


Posted By: ggordon49
Date Posted: 07 Aug. 2019 at 8:57pm
Originally posted by Greaser007 Greaser007 wrote:



Ken, I am a career draftsman who's brain thinks in a dimensional world.

   


I Knew it! LOLLOL The moment I saw your template LOL Thumbs Up


-------------
- Don't Let The Fatherless Ones Grind You Down -
- I like them stock, survivor's with original paint are my favorites -


Posted By: Greaser007
Date Posted: 17 Aug. 2019 at 6:18pm
Gordon:    Yep, a dead-give-away right ! :)

   Here is another "cartoon" that I sketched up by hand showing some Dimensions that I came up with for determining "driven-gear depth" into the bellhousing.


   on this cartoon, I am missing the dimension of the T-90 protrusion from face of trans to end of snout. my fault because I forgot to write the length down before shipping to Moser Engineering.

(I didn't measure the specifics of the shaft lengths of both the T-90 and T-18 input shafts before sending them out to Moser Engineering), BECAUSE after speaking with Aaron from "Tech", he had me convinced that to have them turn-down the Scout T-18 to the T-90 spec would be a "piece-of-cake".
    I found out differently, when I received a phone call from a Moser machinist named Goose.   Goose was confused of what he was supposed to be doing with my shafts.   Really ?    A machinist who turns-down and cuts splines for a living, is not familiar with transmission-input-shafts ?   I'm from a different generation that the millennials.
   I was crying on "mbullim's" shoulder this morning, about this experience.

Below is how the conversation with Goose and I went:
   I tried my best to explain what I needed Goose to perform for me and that the outside clip-ring on the front bearings determined the protrusion distance of the input shafts (driven-gears) from the front face of the transmissions.
After some lengthly discussion, Goose said "we don't do input shafts" !
I went on and explained to him that the Tech-assistant, Aaron, had me convinced that to turn the shaft down, and to re-spline it would be a "piece-of-cake" and to ship him the shafts, which I did. Goose and I were talking tech-talk with no "picture" of what was specific in a Dimensional-world.
After trying to explain the specifics of T-90 shaft lengths and such, Goose finally said "I think I understand what you need."    whew, yes, Goose an i may have this sorted out (I hope).   
Here is what goose told me:   We don't do input shafts, BUT since I think I now understand what you need, and I have your parts, here is the price.
    Turning-down of T-18 shaft =     $100.00.
    Re-spline of turned down shaft = $75.00.
I am Tickled-Pink !!   thank you Goose !!
So, if any of you guys send stuff to Moser, my suggestion is to include a very clear picture (sketch cartoon) showing clearly your needs. I should've.

All along through this process, I have been planning on paying out this amount.   I told Goose that I am very pleased that he is up to the challenge. (he should be if he is a professional machinist).   But he is an employee and not a single proprieter. Single proprieter's normally need incoming business to stay afloat.   Once a small business becomes established with repeat clientel, then the can be choosy whith which jobs they accept.   Hmm

   Goose said to expect the shafts to be re-machined by Monday, Aug. 19th, and that it would take at least 5-days postal service time to get it shipped back to Anderson, California.
   I was in the Postal office yesterday to mail out a heavy package for my wife. While standing in line, I was looking at the Flat-rate-boxes for shipping.   The US Postal had a box about 10-inches by 12-inches by 4-inches for $20.00.
   At Fed-X, I paid $45.00 to ship the shafts to Moser, by weight.
   The 13-inch Scout T-18 shaft would fit the $20 Postal box diagonally.

   Alright, that's it in a nutshell for today's update. I wait for Moser.

   Len


Posted By: Greaser007
Date Posted: 24 Aug. 2019 at 4:06pm
   Ok, an update on SLOW-PROGRESS:

   I received my modified Scout T-18 input shaft that I sent to Moser Engineering to have turned-down to the early Willys T-90 Spec's.


the shaft above is the cut-down Scout T-18 input, and the Willys L134 T-90 input shaft on the bottom in this photo.

   My FIRST MISTAKE looking back - I didn't send Moser a Cartoon sketch showing the exact spec's. Upon speaking with Aaron, the techie, he had me convinced the process is a piece-of-cake.   After then speaking with the machinist, Goose, who asked me what he was to be doing, I became concerned.
   I had sent the input shaft for the T-90 to be used as a 'template' and the front bearings and clutch disc for fitment check.

   The machinist did not turn the T-18 shaft to the 15/16" diameter far enough back towards the helical gear.   Jumpin-Jimmnies !!
   If any of you guys send something to Moser, be SURE to include a drawing with dimensions for the machinist to follow. just a suggestion.
   I found out we cannot take anything for Granted.   nope.
I have a hunch that Goose just figured I was going to be using a std 1._ _" i.d. front bearing retainer for a mustang or camaro. I didn't send him my little pip-squeak T-90 front bearing retainer, and the I.D. on it is slightly greater than the 15/16" O.D. input shaft. It is all to be expected when venturing into unexplored waters. When I get all the bits-and-pieces worked out, this T-18 will be Sweet even with the 4:1 granny, which except for the Rubicon trail, it is perfect for my area of lava rock and dirt. hahaha
   I am very please so far, and super-excited to have had the opportunity to work with Moser to modify my Scout input to the L134 spline-spec's.

   Yesterday, I took my modified Scout T-18 input shaft (driven-gear), over to my local machinist who made my 'coffee-cup-coaster' adapter, and asked if he could finish turning the Scout input further back towards the bearing retainer clip, and he said YEP, leave it on my desk.   You should see the size of some of his Lathes !   BIG AND LONG, 12-foot bed, from old sawmill machine shops.
No, i didn't ask Mark if he uses any diamond cutters for turning-down stuff.
(thinking of crankshaft grinders, but with diamond wheel).




   The quality of the Moser Machining and spline work is TOP-NOTCH !!

   So, I am learning little by little as I blunder my way through this conversion project. This T-18 to L134 transmission conversion has been a long time Bucket List item, and time and expense is no concern, it is what it is. :)

   Yesterday I tediously marked my transmission mounting ear plate with the areas I must "V"-groove the plate to allow for my weld beads to connect with the L134 Willys Bellhousing.   It was 103-degrees out, and the front bearing for the T-18 was hot and in my car, and wouldn't go into the transmission case because the case was cooler, so L134 front bearing retainer and bearing got stuffed into the freezer.



the Ford truck trans 'ears' laid over the Willys L134 late '40's bell housing.


L134 bellhousing set down into the Ford truck bell-housing donor 'ears' for fitment mock-up. Now the next step is to grind "V"-groove areas in the 'ears' plate to accept my fillet welds.   I won't be doing a continuous bead either.
From my experimenting so far, one-inch of fillet each side of the bearing point should suffice.   And for finish, I am considering brazing the small fillets on the transmission-face of the L134 bell-housing for easy 'dressing' with a big file or emery-board.   

   I have not been practicing my Cast Iron welding since a month ago, or two, and now do need to get after this.   Here are the 3-different welding Electrodes I am going to sort through. ( so far, I like the All-State 8-60 in 3/32" diameter ).
1. All-State 8-60
2. Harris NLW99
3. AWS A5.4:E 309L=16

   Seems from memory, the 309L is tough to file

   I was playing around with the Scout T-18 transmission case yesterday feeling the smoothness of the cluster gear assembly and end-play. Nice and smooth and no noticeable end-play.
   My plan is to put the Scout T-18 innards into the Ford T-98 trans-case.
Yes, I am contemplating having my (now) machinist, Mark, drill and tap the holes in the back of the T-98 case for the Scout "trans-to-t-case" adapter. I have not asked him for this yet, but I am gaining faith in him. He is BUSY with Big-Scale Industrial repairs. He just rebuilt and re-packed the hydraulic ram for a 40-foot semi-dump trailer, because no-one else tackles them locally, and there must be 6-extension cylinders. I would say he has a good niche here in Anderson, California.

   Ho-Hum, I have 7-chords of firewood to run through my wood splitter so I had better get after this while waiting for my T-18 input-shaft to get further attention. 2-hours-per-Tier to split the wood and 3-Tiers per Chord times 7-chords of wood = 42 hours of Splitting isometrics to keep the back muscles tuned-up for winter snow skiing. Feels Good !!

   That's it in a nut-shell. Slow and unsteady progress.
Truthfully, I am getting the ITCH to pull the body tub off my '46 and begin dollying and rewelding the numerous cracks in the front fenders and the broken spot-welds in the rear fender wells. Yep, the hat-channels under the floor will get replaced too.

   Len (Greaser007)


Posted By: Metcalf
Date Posted: 26 Aug. 2019 at 5:07pm
Fun project.

Why not drill and tap the T18 case to match the T90 bellhousing pattern? Bolt them together from the inside into one unit prior to install onto the engine.






-------------
42 MB that had a one night stand with a much younger 69 CJ5 and a 50s GM truck.





Posted By: Greaser007
Date Posted: 26 Aug. 2019 at 9:24pm
Originally posted by Metcalf Metcalf wrote:

Fun project.

Why not drill and tap the T18 case to match the T90 bellhousing pattern? Bolt them together from the inside into one unit prior to install onto the engine.






Metcalf:   I have thought of this many times. And that was how Seth connected his. The idea was to follow through with my original idea of the donor ears being attached to the L134 bell, so the trans could be unbolted like a conventional trans.
   Ha, I keep finding excuses to stay away from the cast iron welding.

Just yesterday, I practiced welding on a broken L134 bell housing that was given to me for practice. I did not pre-heat, and my weld cracked just as expected.   My buddies are telling me to pre-heat the cast iron in a firepit.

https://www.thecj2apage.com/forums/welding-a-broken-bell-housing_topic45354.html" rel="nofollow - https://www.thecj2apage.com/forums/welding-a-broken-bell-housing_topic45354.html

    I have more welding practice to do. :)



Posted By: Greaser007
Date Posted: 02 Sep. 2019 at 12:55am
GOOD NEWS !!!

   I HAVE WELDED MY MODIFIED L134 BELL HOUSING.   
And I have felt like the Wright Brothers grafting the new Ford truck T-98 transmission mounting ears cut from the bell housing, and welding them onto the Willy's L134 bell housing.   The bore of the Willy's bell was machined out to 4-3/4 inches to accept the "coffee-cup-coaster" aluminum adapter. This adapter idea was given to us by Seth (millenialfalcon). Thank you Seth. One of his buddies had made one of these and it worked successfully. I got lucky and found a local machinist willing to make me one from the pieces I gave hime to measure from. I is only $$$ and time. Maybe a bit of trial, error and hope.
    The aluminum adapter essentially serves three purposes.
1. the outer I.D. of the "coaster" indexes the bell housing.
2. the inner rear cuts of the "coaster" serve as the T-18 front bearing reatainer.
3. The front cut in the "coaster" indexes the T-90 Frt brg retainer.

Note:   the Ford donor bell housing ears, have 9/16" coarse threads which is larger than the light-duty pickup bell housing with 1/2" receiving threads.

And, because this bell housing was purchased with the T-98 Transmission-case donor I chose not to use the ears from a mid-size Ford bell housing that I have. The mid-sized bell is what was used with the NP 435 transmission.
Having modified both T-18's in the past, and NP 435's from 2wd to 4wd applications, GO with the NP 435, as they are much much user-friendly to work on.   I am no expert, but I have experienced both over the last 4-decades.

    On the T-98 trans-to-bell housing bolt pattern, the lower right bolt sits just below the upper-right bolt.   I didn't have what appeared to be much to weld to for support of this mounting ear forward-and-aft, so I cut out a Web from mild steel 1/8"x 1" bar stock.   It was too thin for my hand and had a terrible time not burning through it. I am glad I installed the web for additional support of that lower right bolt on the passenger side. Now that new donor ear is supported longitudinally.
    Case-in-hand:   The 16-shot-sized slag balls took a good Whack with a 3-lb sledge and chisel to knock them loose. With having filled the V-grooves with new nickel weld bead, I really don't see these new bell housing "ears" pulling loose.   It would take a hell of an Impact. IMO.

   Here is the story:
   The day I tack welded the "donor-ears" to the L134 bell-hsg, I ran out of the Harris NLW99 nickel rod. The head-gear adjuster on my Huntsman welding helmet was broken and I was fighting the helmet and my hair and the 105-degree heat and my frustrations. Whew, had a booger of a time getting my bead struck without the electrode sticking.
   So, then on Thursday, Aug 29th (I think), I goes to the local welding shop and take them both L134 bell housings.   I show the salesman the broken bell-hsg that I repaired with the Harris rod, and showed him my modified ford-to-L134 bell-hsg that I had tack-welded together.
   Fortunately for me, he suggested staying with the 3/32" electrode, and the heat somewhere around the 130 amps. My dad's old Lincoln AC 225amp buzz box amp switch jumps from 115 to 135, so I went with the 130. Dumb-luck, and not much experience burning rod with electrodes.
   I also purchased new head-gear for my Huntsman helmet. Oh, and picked up some of those nice little wire brushes for intricate work.
   First thing I did when I got home was to install the new head-gear into my Huntsman helmet.   OMG !!   I THINK I WAS IN 'HEAVEN-ON-EARTH' with the nice new sweat band and working adjuster knob.
    My first thought - I'M READY TEDDY.

    So I knucked down and burned bunches of rod (12) and stuffed that rod into the V-grooves and burned me some metal together. Truthfully, I was very nervous just because my only experience welding cast iron was the Broken-bell-hsg, and a few other pieces. But melting is melting, and I was hell-bent on trying to do the job Cold with no pre-heat.   It worked and I am HAPPY.

    Ken, thanks for suggesting the AC current and the higher Amps settings.


this photo shows the V-grooving I cut into the back side of the donor ears.


   this photo shows the L134 bell housing clamped to the face of the Ford T-98 transmission case. Getting ready to tack-weld together.


   the "mad-scientist" ready to burn some rod and get this thing DONE.


   Tacked together and ready for Finish-Welding !


   Finish welding and Painted with hammer-finish Krylon paint.


   This photo shows the new reinforcing web to support the lower right bolt ear.


    It is a good feeling to have this "Concept-dream-idea" behind me.


Posted By: oldtime
Date Posted: 03 Sep. 2019 at 3:50pm
Nice work  !
You now may be the owner of the first, the one and perhaps only..... Ford transmission to Willys 134 bellhousing.


-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Greaser007
Date Posted: 07 Sep. 2019 at 4:13pm
   Ken,

   This has been a long-drawn-out adventure, but well worth the efforts. I hope anyway. After cleaning, prepping, V-grooving the broken "practice" bell housing and V-grooving and welding about 4-times, that was perfect to get me Tuned-up and sorting-out the Harris NLW99 electrode, my conficence in welding the cast iron grew exponentially.   Hahaha
   Then, upon installing my new head-gear for my Huntsman welding helmet, I felt like a Kid-in-a-Candy-Store" and was Race-Ready to tackle the final welding on my Conversion bellhousing.
   And, again, Ken, thank you so much for offering your wisdom of these Borg Warner T-98 predecessor to the Warner T-18 / T-19 manual transmissions.
   I about filled-up the BOOKMARKS on my laptop sourcing information from the Web to learn about the Differences between the earlier T-98 and the later T-18 / T-19 internal changes and non-interchangeable gears and syncro's and STUFF.
What I have learned from your perseverance, Ken, is that the T-98 internals pretty much stay with the T-98 internals, and really don't swap much with the later T-18, 19 gear boxes. And that the T-18 mainshaft (output shaft) has a pilot snout that won't interchange with the T-98 input shaft (driven-gear).
   And here I am wasting all this effort on the T-18 when I should have focused on a NV 4500 that has over-drive. Making choices

   Thursday, September 5, 2019, I stopped in by my machinist's shop to ask when he thought he might turn-down my modified T-18 to T-90 input shaft (driven-gear), and he said "maybe Friday" ?    That tells me it will occur next week sometime, which is OK, because I don't like pressuring these guys. My little task for him is just a nuisance-job.
    I asked the machinist, Mark Alward, what it would cost to have him pilot, drill and tap the holes in the rear face of my T-98 transmission housing, because he can do this all on his vertical-mill. He said 1-hour shop time.
    I have done this task before in 1984 on the T-18 that I put in my '77 CJ-7 utilizing the Novak adapter kit using my floor mounted drill press, and taping the holes by hand (after burning out the control board with the tap chucked into the drill press). Everything lined-up good enough to bolt the rear adapter plate because the rear-bearing outside race indexes everything.

    I must say that I now have maybe burned 4-dozen electrodes in my self-tutored learning curve of melting cast iron together with the Nickel rod.
( I actually spent hours on the Lincoln Electric website digesting the Tutoial videos and the write-ups available, before I began welding on the practice bell ).
    I WAS IMPRESSED with the "Harris NLW99" nickel electrodes. Nice stuff to use to join two pieces together with little pre-heat. Short welds, and peen when hot, then clean and brush and get ready for the next bead.
    Like I mentioned earlier, as much persuasion as it took with a 3-lb hammer and chisel to knock off the small 1/16" diameter slag balls, I don't see the transmission "ears" falling loose. I think it would take a Big Impact of sort to knock the ears off of the Willy's bellhousing. I'm likin it !
    I have as much confidence as that Redneck that told his buddies "Hey ya'all watch this" !!

    My next step in this project-puzzle is to swap the transmission cluster gear and shaft from the IH Scout T-18 into the Ford truck T-98 transmission case. Point here: I am moving all the internals from the IH Scout T-18, to the Ford truck T-98 case. The IH Scout T-18 has the correct mainshaft to accept the D-18 / D-20 Transfer Case. And it has the adapter plate that joins the two together. Note: again, the clocking is lower on the Scout plate, so I like that because it will lessen the driveline U-joint angles.

    Now that I have completed the task of the transmission "ear" modification, Looking Back into the Crystal-Ball, I would do as I originally planned and use donor-ears, individually, from a light-duty Ford pickup bellhousing and T-18 or T-19 transmission that has the 1/2" bolts instead of the truck application that uses the larger 9/16" bolts and holes. The ones connecting transmission-to-bell housing. Kind of infitesmal because this is a one-time application conversion.
    My one-big concern is not having installed a reinforcing web at all 4 corners for extra strength. My gut tells me that would be an over-kill. With all 4-attaching bolts pulled-up and the indexing of the bearing retainer, I just don't see enough individual force on any one ear to pull them loose from the Willy's bellhousing casting. ( I could be wrong, and will find out ).
Maybe this is why automobile manufacture's have Testing-Grounds. Rubicon !
    Being a technical Draftsman for many decades, I work on this stuff in my brain each and every day. Pieces are parts, and parts are pieces, so all we have to do is dream-big, and learn the INTERCHANGE, or make our own interchange parts. The sky is the limit. hahaha, lot's of b.s. :)

    I had better get after splitting and stacking some firewood for the winter that is rapidly approaching. More later _ _ _


Posted By: Greaser007
Date Posted: 08 Oct. 2019 at 3:19pm
OCTOBER PROJECT UPDATE as of Oct. 7, 2019:

   Monday, Oct. 7, 2019, my machinist, Mark Alward, called to tell me to stop-in by his shop.
So, i go to "A & A Welding and Machine" in Anderson, California to pick up my modified T-18 input shaft that I left with him early September to turn the shaft down to the 15/16-inch diameter from where Moser terminated the size reduction, all the way to near the bearing retainer-clip groove.

   A short history, is that when I had sent my T-18 input to Moser Engineering a few months back, I did not send a drawing detailing the extent of turning-down the shaft from 1-1/8" down to the 15/16" T-90 size. So, the machinist only turned down the shaft about 1-inch beyond the new splines he cut.

   Yesterday, Mark allowed me to watch him cut down the shaft as needed. Mark allowed me to watch him cut it down, and I was so enthralled, I forgot to take a photo or video of the artistry. He had ordered a new cutting tip for radiusing the steps where the shaft transitions from 15/16" to the larger diameter of where the input bearing rides.
   This was slow-going, and took Mark about 30-minutes.

   The "Coffee-Cup-Coaster" front bearing retainer / adapter that Mark made for me earlier this year moved the T-90 front bearing retainer ahead 0.27" ahead.
Therefore, the Throw-out Bearing Carrier must be cut back 0.25" to allow the Throwout bearing to sit in the proper position.
   Two weeks ago I ordered a new throw-out bearing Carrier from Pete Debella because the Carrier he sells has the return-spring boss mounted in the same position as shown in the Willys manual. Yep, all other's I found with pictures shows the spring boss mounted near the front, or clutch end. Not good.
I told Pete that his was the only Carrier I found with the "boss" mounted near the rear like the manual shows. Pete reminded me "that was a good observation" and agreed with me.   Mark, my machinist had cut this for me already when I arrived yesterday.

   I AM STOKED !!!   _ _ _ and One-Happy-Camper.   :)



this shows the Carrier mount cut-back 1/4" and the modified T-18 input shaft cut down to the 15/16" diameter back to where the felt washer sits.


   this shows the Carrier for the Throw-out Bearing


   modified IH Scout T-18 input turned down to the T-90 spec.   Yep it's Cool.


   My Crown-Jewel modified T-18 input to match up to the Willys L134 engine and clutch assembly.   I will be using the 8-1/2" clutch.

   Now, I am free to assemble my T-18 transmission FINALLY !!

   Here is a recap of my project costs:
   IH Scout T-18 with rear adapter and D-20 transfer case _ _ _ $250
   Total machining costs for modifications Moser Engineering _ _$270 w shipping
   Total machining costs for "coffee cup coaster" and such _ _ _$300
   Carrier for throw-out and bearing from Pete Debella _ _ _ _ _$55

   I will have around $1,000.00 invested in this Pipe-Dream conversion.

Looking Back at my 'original' mock-up concept of my L134 Bellhousing to accept the Ford T-98 transmission case shown Below:


    Greaser's original Concept shown above. I was going to make the new "ears" out of mild steel bar-stock. Then wound up cutting existing "ears" out of a 1979 Ford Truck bellhousing that I happened to have on-hand.


   my original mock-up over-lay sketch (cartoon drawing)


   Final L134 bellhousing modified to accept my Ford T-98 transmission case.

    I'm Thrilled


Posted By: Greaser007
Date Posted: 22 Oct. 2019 at 6:23am
I'm back. Couldn't stay away from the forums. hahahaha _ _what addiction ?

Well, i called Ken (oldtime) today, and he was Working on his CJ !!
Seems lately that I have been busy working on other people's stuff. I was reading an article that was saying that when us senior's (boomer) retire that we can "volunteer" for something to do.   Do these people know that I have an addiction, starving for attention ?   yep, Gemma the jeep.   
Just like back in high school, i'm going to have to begin making "dates" with my Willy's just to give her attention.

   Anyway, I have bookmarked info pertaining to the Borg Warner T-18 & T-98 until my Bookmarks are swelling. I was telling Ken that I was searching the net this morning on iformation on those Logging Skidder T-98 transmissions. He said they were used on all sorts of equipment besides pickups and jeeps.
I mentioned to Ken what led up to the search was that photo on page 1 of the Yellow Skidder T-98 transmission with the reverser-box bolted to the front.

    In my search, I found a thread in a forum with an attached link to a PDF file of _ _ _ Borg Warner Transmisions being an old print out of several of the transmissions including the T86, T90 and the T98 _ _ with DIMENSIONING.

http://forestryforum.com/board/index.php?topic=96818.0" rel="nofollow - http://forestryforum.com/board/index.php?topic=96818.0
there is a link in this forum thread which is a PDF file of Borg Warner transmissions "with" dimensioning.

Below is the LINK to the Borg Warner scanned drawings:
http://www.numeralkod.com/cross/archivemanuals/warner/automotive%20and%20truck%20transmissions.pdf
   you will have to copy-and-paste this link into a search engine to see it.
   I copied it and pasted it to search the web, and it popped-up !
Take a look through these numerous drawings, as they have some very pertinent information and notes. Very Interesting !


Then, I wanted to attach the following link to a great forum thread where the guy shows specs for the different applications of both T98 and T18.
There are 3 different ratio's used. This guy's information will lead you to what you will be searching for in ratio's and such of your choice.

https://forums.off-road.com/jeepster-american-jeepster-club/112031-t-18-four-speed-225-a.html" rel="nofollow - https://forums.off-road.com/jeepster-american-jeepster-club/112031-t-18-four-speed-225-a.html
Be sure to find the data on thread #4 by "donotdelete", guy Kaeser.
This is the first time I actually found Dimensions of the pilot bore (hole diameter of the hole in the back of the input shaft) of both T98 and T18.
    FINALLY !! _ _ way to go Guy and thank you. A few months back, I mic'd the holes on both my T98 and Scout T18, so now I can have a 'compare.'

Here is an interesting link to Binderplanet.com :
http://www.binderplanet.com/forums/index.php?threads/differences-between-t18-and-t98.9946/page-2" rel="nofollow - http://www.binderplanet.com/forums/index.php?threads/differences-between-t18-and-t98.9946/page-2

   Len



   


Posted By: jeepsterjim
Date Posted: 22 Oct. 2019 at 6:45am
WOW Len
It's was strange to see a link to the old American Jeepster club.  Brought back good memories of friends and events.  Nothing cooler then having 50 plus Jeepsters/Commandos hitting the trails.


-------------
Jim
CJ-2A - 81299


Posted By: Greaser007
Date Posted: 07 Jan. 2021 at 6:28pm
Hello everyone, i am bringing my un-completed T-18 Bucket List dream back to Life.

I spent a great deal of thought-time and $$$ putting together this T-18 to L134 package.
I must say, i have really enjoyed the challenge of attempting my own conversion.  This dream so to speak may hopefully be finished in 2021.   And yes, guys, hopefully before i begin pushing up daisies.


    I hope to remove the cylindrical bosses with a diamond wheel.
    This is looking at the passenger side front at top of tan Scout T-18 trans case.


     This photo shows the cylindrical boss to be removed from Scout trans case.
     I may wind up sectioning out and welding in a new piece for Bolt-Clearance.

So the fit of the front bearing retainer "coffee cup coaster" is too tight to easily slide into the hole in the modified bellhousing.  I will consult my machinist to see what he recommends to loosen the tolerances somewhat.

In my absence of 14-months from this project, i have bee doing some Pondering.   yep, what to do.

Yesterday, Wednesday, Jan. 06, 2021, i heated up the L134 mod bell on the fireplace hearth so it would expand and slide over the indexing "coffee cup coaster" adapter.  I then took a few photos to show which bosses must be cut off of the IH Scout T-18 case to make room for new "ears" to be welded on with Nickel rod.   Fun stuff indeedie !!!     
     Yes, i have been having no failures or cracking with Harris 99 nickel electrode in 3/32" diameter.


    Looking at this photo, i plan to weld a mounting 'ear' from a donor bell housing to the top and bottom of the tan Scout trans case.

The "planned" new transmission mounting 'ears' will be cut out of the donor Ford truck bell housing.
Each 'ear' will be custom fit with generous V-grooving for purchase area of the filler bead.
I have finally decided to give this concept a good old re-boot kick-start.

      More later !!

      Len


Posted By: Millennium falcon
Date Posted: 07 Jan. 2021 at 6:36pm
Len, good to hear from you. I’m glad your back at it! Post up some pictures when you get a chance. -seth 


Posted By: Greaser007
Date Posted: 07 Jan. 2021 at 7:13pm
    Seth,  
     will do  !!    I have been looking at this project each time i enter my shop.

    My home shop needs a re-organization, and not enough shelving, so i have stuff scattered about.
Ha, i was thinking of when the doctor looks into my ears, it may look like a Kaleidoscope.   hahaha

    This will also get me back in touch with the Harris 99 nickel rod.  I want to explore more with it because i was visiting with Ron, a local automotive machinist, and he had just received two rare pieces, both of which were broke and needed someone to weld them up.   I should have just loaded them in and used them for practice instead of him discarding them.
     I could be tempted to buy me a used Kiln oven for cast repairs on odd stuff.   hmmm _ _ _

     I'd better go out into the 'cool' brisk air and create some sparks !!



Posted By: Greaser007
Date Posted: 09 Jan. 2021 at 6:33am
Ok, today, Jan.08, 2021:

     I had to get a Covid test at the local community college.
Then helped a buddy move his body working tools of 40-years.
Installed a brake light switch in my '78 Ford van.

    Then,  finally, late afternoon, i broke out the IH Scout T-18 transmission for 'alteration' time.
Hahaha,   the motive today was to make an honest attempt to cut those big round casting bosses off of the upper front sides of the case.   I began in good-faith with my trusty 4-1/2" diamond blade.
    Ok,  i got off to a good start, and then the deeper the cut, the slower the going.   Ugha Bugha


      I got so far, i then changed up to my Saws-All for good tidings.
Well,  the best of the good tidings wound up being about 1-full-hour of tedious slow cutting.


    I got it  !!!
Geesh, one hour of True-Grit wishing that sawsall on through the cut.
I actually did most of the cutting with the bellhousing in place for better holding grip.



     Scarfed off of there and ready for my next chance to tackle the driver's side nodules.

Once i get the nodules scarfed off, then i can focus on shaping the case for accepting new transmission ears.
I have two choices:
1.  find a core transmission for donor mounting ears.
2.  cut donors out of what is left over from my donor Ford bellhousing.    hmmm   scratching _ _ _

Well, guys,  my oldest daughter phoned earlier and she has a chance to go skiing tomorrow, so her and I will be Outa Here minyana.    No work on the T-18 for maybe the weekend.
Life does really get in the way of hobby progress sometimes, but !
The worst day on the ski hill is better than a day in the office _ _ _ or shop.    LoL

I had better go by Pick-n-Pull recycler's soon and see about a donor trans case for "Ears."

       I'm already dreading cutting the other side.  Maybe i shall try a metal cut-off wheel for my 6-1/2" skil saw for quicker cutting.    Any thoughts ?   The skil saw just seems like an accident in the making.

      Until next time  !!


Posted By: oldtime
Date Posted: 09 Jan. 2021 at 12:00pm
I cut the side shifter lugs off my T15.
Maybe 5 minutes using a small angle grinder and 4” cut off wheel.


-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Greaser007
Date Posted: 09 Jan. 2021 at 2:29pm
Back when i was starting on this 'fantasy' dream, i was doing some reading somewhere, and i came across the following photo of an adapter modification by Ken (Oldtime).  I was fascinated because that told me i wasn't the only dreamer of concept.   I've been reading in 4-Wheeler magazine for six years about the new Jeep Gladiator 'fantasy' dream concept.  We can buy them new today !!

       
Stuff like this amazes me where by numbers and measurements the concept should work.
Today, guys are making adapters to put small diesel engines into older Willys.  Go guys !!

       All of us restoring an old Willys must get creative often with simple items like brackets for mounting one component to another.    Simple brackets can take hours of fabrication and fitting.

      Anyway,  i have been planning on attaching Ken's modified adapter plate to shorten it.  Very cool.
      Speaking of adapter's,  i have an adapter with no name case into it but it has numbers.  This particular adapter will adapt a New Process 205 transfer case to a Ford C6 with 2wd tailshaft.
We all know 2wd transmissions are a dime a dozen.   It came out of a wrecked Quadra-Van 4x4, late '70's vintage.


Posted By: oldtime
Date Posted: 09 Jan. 2021 at 3:23pm
Yes that’s from a post I started over on ECJ5 a few years back titled “T15 to Dauntless”. 
The post details how I made my own T15 adapter plate from the Jeep T86AA / T14 adapter.
Last time I looked the pics were missing.
So I moved all my pics to Imgur and now I can no longer access my Imgur account. I no longer have access to any of those pics. 
Currently I’m still having upload issues at “My Willys Pics”.
So I’m nearly outta my ability to do any pic posts.
Maybe half of the “My Willys Pics” I take will upload and that’s it.


-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Greaser007
Date Posted: 11 Jan. 2021 at 4:09pm
Ken,
    Here is what I do to save photos:

    Download with patch cord from digital camera to my HP Pavillion laptop.  Then copy from laptop to a Flash-drive (thumb drive).  16-gig flash-drives are cheap and reliable for storage.

    Or, now using my Iphone exclusive, i email the photo's in whatever batch size the phone will allow to send to my email.  (5-photos per batch).    Now from my email on my laptop, i save to my hard-drive, and then Save to Flash-drive.    
     Note:    Save all photos from one Flash-drive to another !  _ _ _ for a BACK-UP COPY.

     i don't yet understand the Cloud or One-Drive, but internet storage space costs  $$$$$$$ 

     Ok -  here goes:
Yep,  Jan. 10, 2021, i bolt the L134 bellhousing back on to the Scout T-18 trans case to investigate just how many modifications i must do to allow Bolt and Wrench Clearance for new mounting ears.   Drat !
Way-too-many cuts and recessed wall pieces in 4 locations.
Also, on the driver's side is a PTO cover which would need mod's too.  So, for time and sanity, i am officially SCRAPPING the idea of modifying the Scout case, and will drill and tap the 3 holes necessary in the rear face of the Ford T-98 case for the Scout t-case adapter plate.    


    This photo shows the extent of side wall of Scout trans case which would have to be recessed for bolt and wrench clearance.  There is clearance to weld in a new wall piece of steel bar stock on the inside wall of the case, and weld it in from the outside giving sufficient clearances.
I'm not going to spend 2-weeks cutting, fitting and making ears to be welded in place.
The welding would go quickly, but the fabbing and fitting of recess pieces and trans ears is prohibitive at this point.  (guess i'm not hungry enough).     hahahaha

 
    In this photo of the Ford T-98 case, you can see how deep the recesses are for bolt & wrench clearance.    Wow,  mucho recessed areas.

     I could use a segment of black pipe to create these recessed areas in the IH Scout case, but with having to do this for 4-locations, and fabbing up 4-new Ears for mounting, i decided
"Screw-the-Idea" of modifying the Scout case to bolt to the Ford pattern on the L134 modified bell housing.
   
    So, using a 3-lb short handled mallot i gave the Ford T-98 cluster-gear shaft a good rap on the front.   Both the cluster-gear shaft and reverse-idler are driven out from Front to Rear !!
    I had looked through my misc pipe collection and did find a piece of aluminum tube the correct diameter to run through the Cluster Gear to keep all of the needle bearings in place.
    I drove the cluster shaft out very carefully, and with a 6x6 block of wood backer on the out-going end of the shaft to prevent it from jumping out ahead of my needle-retaining aluminum pipe.  I drove the shaft out with a punch longer than the aluminum pipe neddle retainer.


     Driving the T-98 Cluster-Gear shaft Out slowly from front to rear.


    Take note of the position of the Cluster Thrust Washers !!

    The thrust washers have tabs to index them to both the cluster gear and the trans case.  Look closely and keep everything in order if possible.    Don't loose sleep, because there are only two on the rear.
     Here is something I have learned:    I hate to fess up, but like many of us, i dove into this whole T-18 to L134 dream with mostly Ziltch Planning so i didn't know there were so many Differences !!
First off, i had purchased the Ford T-98 transmission from a supposed '65 F-250 4x4 pickup, along with the divorced transfer case and a bellhousing.   This must have been 2011, and picked them up as Spare-Parts for my early Ford collectibles.
     My oldest owned collectible Ford Pickup was a '66 Factory 4-door cab which i bought in 1992.
I have a '66 F-110 heavy duty long bed single cab 4x4 (first year of coil-spring front suspension on the half-ton Ford 4x pickups.
My other is a '61 Ford F-110 4x4 conversion long bed step-side pickup i bought from the original owner's son back in 1991.    Ha    I tend to keep goodies for decades.    hahahaha

     Ok _ _ _ enough already,  and back to topic.   Well, let's see here:

     One thing i will mention -   once the Reverse-Idler shaft is removed, consider grinding a recess in the front face to hold a punch in place for future removal if the 'need' arises.   Someone had done this to the end of the T-98 reverse idler shaft.   This shaft is a Booger to knock loose, as was the cluster shaft too.

     The following photo will show the holes in the rear face of the Ford T-98 2wd trans case.
Three of the 5 holes for the 2wd tail-shaft housing do index properly with the IH Scout transfer-case adapter plate.   Good News  !!    _ _ _  i can use all good news available for a confidence Boost.

 
           IH Scout T-18 case on left (creme)  -    Ford T-98 truck case on right (gray)

     Note:   I have gone through my shop and wired description tags to my engines, transmissions and transfer cases.   I have done this so if i die unexpectedly, my wife will know what is what.
Believe me,  all of my automotive collection means Nothing to my wife.   If i croak, she'll probably just find someone willing to haul it all off in truckloads.    Hopefully some young buck will put it to use.

      So, the two large holes on the top of the adapter plate are 7/16" NC thread, and are needed to be drilled and threads tapped into the Ford T-98 trans case rear face.
Also same for one 3/8" NC hole on the right side of the mainshaft bearing.
In the above photo, the tan IH Scout case, and on right is the Ford T-98 2wd case.


    Drilling the pilot hole for the two 7/16" bolts.   
    There is a Story i must share about this Montgomery Wards "power-craft" drill press   read on.

    In 1984 i had purchased a Novak T-18 Adapter kit to install into my '77 Jeep AMC CJ-7 Renegade.
The Renegade package came with a 304 V-8 engine,  factory GM tilt-wheel and Saginaw Power Steering, front power disc brakes and an AMC model 20 rear axle assembly with Posi and 4.10 gears.
My wife, girlfriend in 1983, and i went in search of the famous Rubicon Jeep Trail with another couple.
Yep, we found the trail and ran it through from Wentworth Springs to Homewood on Lake Tahoe.
The Jeep was traveling wayyy tooo fast even with 4:10 gearing and 3-spd t-150 trans.
So that was the reason for a T-18 Novak conversion back then.   The cj-7 with T-18 took me in and out of that grueling trail each summer until i quit doing it in 2001.
  Yep, i love that T-18 !!  :)
I restored a '46 2A in winter of 1983 and 84 and ran the '46 through the Rubicon in '84 and '85.  Along came our son, and the '46 got sold.   It too traveled the Rubicon trail way too fast even with 5:38's.

    Really,  the Renegade package had all the Goodies most people add after the fact.
Some Renegades were available with an automatic trans (Chrysler 727 no less).
I am relaying this info for you reader's who aren't savvy with the '77 and '78 Renegade and Eagle packages.

    Back to the 1984 "Story":
    The Novak kit also required drilling and tapping threads in the back of the T-18 2wd case just similar to what i must do to the current T-98 today.
My Montgomery Ward drill press "was" an electronic Variable-Speed hummer.   I had bought it at a yard sale of course, back in the late '70's while a young enthusiast.
Now, when needing to tap the threads, i got this 'hair-brain' idea, to set the drill press on the slowest speed, and if it stalled out, i could help it cut with a helping hand.   Not a good idea !!
What happened was the Drill Press stalled out, and burned up the circuit board.   I promptly took the drill press to the local Industrial Electric shop, and Jerry told me i am out of luck.  The circuit boards were obsolete back then.  The boards were dipped in a thick epoxy, so no way to tell what was what.
Nowadayz, my drill press runs at Mach-Zip like a router.   Full bore high speed.
Hey,  here i am 36 years later drilling holes for another T-18 Jeep Conversion for a L-134 Willys.

     Oh yeah, another screw up too, was purchasing the Scout trans not knowing it was a 4:1 granny.

     If looking at the rear of the Scout and Ford cases,  I will need to plug the holes not needed.
And i have to check the protrusion of the Cluster Shaft and Reverse Idler Shaft later on.
      Hope you enjoy guys.    I am happy to answer any questions.

      Until next time _ _ _ _  


Posted By: oldtime
Date Posted: 11 Jan. 2021 at 4:38pm
Len, thanks for sharing your pics.
Clearly shows why the IH units are so hard to convert over to Jeep and Gm patterns.


-------------
Currently building my final F-134 powered 3B .
T98-A Rock Crawler using exclusive factory parts and Approved Special Equipment from the Willys Motors era (1953-1963)
Zero aftermarket parts



Posted By: Greaser007
Date Posted: 11 Jan. 2021 at 5:03pm
I have another "Screw-up" confession i happened to think about, now that my brain has been rewired for thinking "T-18 to Willys L-134 bellhousing / engine.

My Ford T-98 came from a mid-sized (2 to 5 ton) Ford Truck.   It has 9/16"  bolts holding the trans case to the bell housing flange that I welded to the Willys L-134 bell.   Remember, the front bearing retainer properly indexes everything, so the trans can be rotated as needed until things are welded up.
Well, it wasn't until i got the Ford truck bell housing mounting flange all cut out for slipping over the Willys L-134 bell housing, and determining what bolt size i needed to buy, when i realized: Wow, those are larger than the 1/2" bolts used on the light trucks and some passenger cars.    Hmmm ........
Shaking my head,  sometimes the three PPP's come into play.   God, even with my best efforts, i am Human, and screw up and make bad decisions often.
Remember that old Redneck's last words ?   "Hey y'all watch this" !!   hahaha
So, after abandoning this Conversion puzzle Oct. 22, of 2019, i am making another attempt.
I will turn 70 in late September, so i just don't work late in my shop anymore, like i did 30 yrs back.  :)

My recommendation to anyone wishing to do this with my approach, is use the med-duty Ford bell which has the smaller and popular 1/2" bolts mounting the trans to bellhousing.
I am way too far along to change-order now.     snicker

Now,  after traveling the Rubicon Trail 18 summer's, my memory is fading on many of the obstacles.
Most summers, my wife and I and kids after the toddler stage would not travel all the way through the trail from Wentworth Springs (or Loon Lake spillway) through to Homewood, on Lake Tahoe.
Running east from the heli-port on Rubicon River Canyon top edge, on to homewood, i don't care for.
   So what our favorite course, was to crawl in to Buck Island Reservoir, and set up camp for 3-days.
Then we could take a day trek down the Big Sluice to the toll just beyond the bridge in the bottom of the Rubicon River Canyon (Springs, beyond the toll gate).   The climb up and out of the Big Sluice back to Buck Island Res, was always slow and a tedious challenge, possible the most challenging, compared to the Big Old Sjuice Box, between Buck and Spider Lake.    Do climb the Big Old Sluice sometime for a good challenge of gearing and equipment !!    The Big Old Sluice will eliminate all urges to run stock gearing.   Any thoughts from those who have climbed the Big Old Sluice ?

 
   One thing interesting about this photo:   the tap is the same one i used back in 1984 on my first T-18.   It is my father's who currently is 93 yo, and i've used his set for a lifetime.   Looking back, it was just a few years when i tried tapping the holes in my first T-18 in '84, and burned up the variable speed in my drill press which i am still using today.   Montgomery Ward "Power-Kraft"   hahahaha.

I my wind up plugging the two threaded holes where the shaft retainer is bolted.  The Scout clip is just driven in between a groove machined into the cluster shaft and the reverse idler shaft.  more later !




Posted By: Greaser007
Date Posted: 11 Jan. 2021 at 5:21pm
Below is a shot of the face of my modified L-134 bell housing with the "Coffee Cup Coaster" adapter that my enterprising machinist, Mark, made for me.   He runs A & A welding and machine in Anderson, Ca..

     
The aluminum adapter "coffee cup coaster" retains the front bearing.
I do need to carefully machine-in an oil return passage yet in the adapter on the bottom. 

Ha !
     yes, it took some doing, but with photo's from Seth's (MillenialFalcon) thread, and sketches, Mark first had trouble digesting exactly how the adapter was configured.
    One morning i told Mark:   "think of the adapter as you would a Coffee Cup Coaster.   The coaster sits on the face of the trans, and is machined to retain the front bearing.  Then you set the coffee cup (the willys T-90 front bearing retainer) into the Coaster." !!

    Mark looked at me, and says  "Ok, i get it" !!

    When i quit working on this project October 22, 2019, Mark had just completed turning some material off of my new throw-out bearing retainer shown earlier in this Build Thread.

OH, yes, another screw-up was winding up with the 4:1 granny instead of the 6.32:1 available.
The 4:1 granny will work just fine in my local area of wheeling away from the challenging Rubicon.


Posted By: Greaser007
Date Posted: 14 Jan. 2021 at 10:12pm
Here is a link to a T-18 Rebuild article posted on the "PartsMike.com" website:

http://www.partsmike.com/index.php/content/4x4-support" rel="nofollow - 4x4 Technical Support (partsmike.com)

Below is a link to the T-18 Gasket Set i hope to order today:

http://www.partsmike.com/index.php/products/923302-gasket-sett18" rel="nofollow - 923302 GASKET SET,T18 (partsmike.com)

Below is the small parts kit from Allstategear.com:

https://www.allstategear.com/T18-Small-Parts-Kit-p/sp18-50a.htm" rel="nofollow - T18 4 Speed Small Parts Kit, SP18-50A - Ford Transmission Repair Parts (allstategear.com)

The Countershaft thrust washers were contaminated with metal shavings so I won't use them.
I shopped around on the net and was trying to buy local.  Fat Chance !!
I keep forgetting i am working on a transmission which is 45-years obsolete.   Ugh

I got the Countershaft driven out of the Scout trans case and all needle bearings look new, so i cleaned everything up in mineral spirits, rinsed good with water in a screen (so i wouldn't loose any needle bearings.   Whew,  no kidding, there are 4-rows of 22-needles each row divided by washers and the spacer-tube in the middle.
Removing the Cluster-gear shaft went slow so as not to disrupt anything.   Hopefully !!
Same as removing the shaft from the Ford T-98 case, i scrounged a piece of scrap aluminum tubing from my bone pile, and cut it to 9-3/4" long  (a good round number).   hahaha
For diameter, it just fit inside the hole in the front of the case.   This was to hold the roller bearings and washers in place, as i drove the shaft with a long drift.   I also placed a large 12" block of 6x6 wood for the shaft to push against as i slowly drove it out.
Now, The aluminum tube by calculation is just long enough to catch the thrust washers too.
     So, when the cluster shaft was driven just beyond the last thrust washer, the Cluster dropped from position, and i could pull it out with the pipe in place inside the Cluster, and keeping needles and spacer washers intact.   Then after all this, i dump them all in the cleaning tray.    hahaha

     Really, i don't know how a man would ever wear Out one of these transmissions if properly serviced.   They are so heavy duty.    I mean realistically, i could reassemble with all existing parts, needles and thrust washers, and it would probably run like new.    I say this from experience, which may be discounted by some, but it is the hard cold truth.

     Ha,  oh yes,  there is an old Rumor that i have heard decades ago that we (us guys) cannot mix and match Ring Gears and Pinion Shafts.    I say Hog-Wash  !!!   Because i have done this successfully time in and time again in my 70-years of making something out of pieces and parts.
     Grinning, and am still running a Dana 60 full-floater after 22-years towing heavy loads and it is still going strong.    snicker.    It is all in proper set-up, and we don't need a dial indicator to set up a ring and pinion.    Just a reasonable mesh pattern and common sense.  For real, we can 'feel' 0.004" clearance, which is a good average back-lash for a Dana 44 or Model 20 AMC.
   Try it, you might like it !!

      Oh, hold on, my Grand-daughter is telling me we have to go outside for ICE CREAM !!

      Later, and i will include some new photos soon.

       Len


Posted By: Greaser007
Date Posted: 15 Jan. 2021 at 4:05pm
    I experienced an interesting occurance yesterday while making phone calls to the trans-parts vendors.
Interestingly,  all three could not take my call because of computer problems.   OK !
     Well, Del, from PartsMike was the only one of three to call me back.  What the  %$#* ?
I guess with today's covid epidemic, business as we think of it has changed.

     Sorry folks, i don't do business with AMAZON  !!   which means i don't search Amazon, period.

     When i order parts and pieces, i normally call the business to speak with a sales person.
No luck yesterday.   What I did was to Move Forward.

 I ordered my Cluster-Gear thrust washers and small parts kit from AllStateGear in San Antonio, Texas.
and I ordered the T-18 Gasket set from PartsMike online.
The links are on my previous post.


     Above is the Cluster-gear (Counter-gear) from the IH Scout T-18.  It looks and feels perfect.
This photo was taken before cleaning all the pieces.  No joke, i could not feel any backlash on the Cluster-gear while in the case before disassembly.  These transmissions are TOUGH.


     Drying the Scout Cluster next to the fireplace insert.   Yes, i exclusively heat with Bull Pine (Digger Pine) which proliferates in our area.   I get it free from Craigslist ads.  The catch is:  you must have a Timber Faller's saw to buck 40" trees.    That keeps the 'pickings' wide-open.


     This is the  small parts kit I ordered from ALLSTATE GEAR from San Antonio, Texas.  $23.95

Now, i would not ordinarily change out the needle bearings, but I could not purchase the Cluster thrust washers individually, i will wait and see where these puppies are manufactured before i replace the good original needles from Borg Warner.    Ha !    how many times has this transmission been opened up prior to me taking ownership ?    your guess may be as good as mine.    hahaha
Bearings are tougher than most of us would guess, and i would feel very comfortable running the original needles, and replacing Only the cluster gear Thrust Washers.   This is why we always have a surplus of extra "Left-overs" laying around.

Below is a link to some interesting reading:

http://pavelsuniverse.com/willys/transmission.html" rel="nofollow - Willys Transmission (pavelsuniverse.com)

I am hoping to include a photo of the T-18 gasket set which includes the t-case adapter main-shaft Seal, and the gaskets for both sides of the t-case adapter plate.

Below is a link to the '77 Jeep Renegade package.  I bought my red '77 cj-7 used in Dec. 1981.
With the Novak T-18 granny-tranny kit, it has taken me into the Rubicon Trail 16-summers with no breakdowns.   All wrenching was done on my home shop floor prior to tackling that parts-breaker trail.

https://www.jeepfan.com/readersjeeps/77-jeep-cj-7-renegade-levis-edition/" rel="nofollow - 77 Jeep CJ-7 Renegade, Levis Edition | jeepfan.com

If you need tilt steering parts for the Renegade package, they were made by GM.

Below is a link to Seth's T-18 YouTube videos:

https://www.youtube.com/watch?v=xkRMr8ArlLQ#action=share" rel="nofollow - Willys l-134 Ford T18 conversion. Input shaft moser engineering - YouTube

Below is a photo of the T-18 Gasket Set from PartsMike:


     This gasket set should be just the Cat's Meow !!   It was ordered yesterday.
Interesting how it is costing $13.50 for shipping from 200 miles away,  whereas my small parts kit much heavier shipping from Texas, was only $6.50.    Go Figure !!
I guess some Vendor's like to gouge us for a "handling" fee above the "shipping" cost.   Amazing !!



Posted By: Greaser007
Date Posted: 21 Jan. 2021 at 4:51pm
Hi all !
    Here we go for another update:   Jan. 21, 2021.
While waiting for parts for my T-18 transmission puzzle, i have began tearing down a GM SM465 4-speed trans.   This transmission came from Alaska in mid '70's  from the Trans-Alaska-Pipeline construction.
(1974 to 1977 - 800 miles of pipeline).
There was a local truck repair who contracted trucks and field repairs, who actually shipped core driveline components back to California for salvage.  My dad worked at the local Chevrolet Dealer as a parts salesman, and bought a SM465 and some NP205 transfer cases.  So, my dad has had these parts stashed away for 45+ years.   Omg.  So, i have rebuilt many different manual transmissions in my 69-years, but never a SM420 or SM465.    Here we go, learning about how another transmission is constructed.

https://www.youtube.com/watch?v=0wMUZ-m4f6w&feature=emb_logo" rel="nofollow - SM465 Complete Rebuild Part 1!! - YouTube

( I am deviating from my T-18 build here for a moment because below is a link to a Willys-Build that i found Most Interesting ).   

https://www.pirate4x4.com/threads/rango-1942-willys-mb.1000503/" rel="nofollow - Rango....1942 Willys MB | Pirate 4x4

The interesting thing that caught my eye about this build-thread is this:
  a modified SM420 to D-18 bull-Gear, where the T-case gear has been welded to a female splined collar to adapt the gear to the SM420 mainshaft Output Stub.    Exactly something i would tackle in a jiffy.


   D-18 modified drive-gear welded to an internal splined collar for a Muncie SM 420.   Nice work !!
One thing about this One-off drive gear is we must not forget that Spline are Standardized.
I like snooping through the Splined Couplers and Collars at Tractor Supply Shops, gathering ideas of how i can make a new component out of parts and pieces for a task-at-hand.   Machinist's are good for figuring out how to make something once again functional out of a broken something.
Bear with me, as i share thoughts which may benefit someone of interest:
Below is a description of how i salvaged a Ford model 670 flail mower from demise.
I know, i am deviating from my T-18 build, but wanted to share this Flail mower sheave solution which i had made up for me by another local machinist.
     My good buddy, Morris, is 6-years retired from 38-years as a parts salesman for John Deere Co..
Morris knew i was needing a 'different' flail mower.   I had been using a converted Corn-Stalk-Chopper as a field mower and a long tongue pull-behind my dads Ferguson TO-20 tractor.   Probably 2004 sometime, Morris calls me and says if i would like a new challenge to bring my trailer down to the Deere dealer and he will load up a '50's vintage 3-point old retired Ford 670 flail mower.   He saide it was basically sound, but missing long-discontinued parts.  The mower was missing the 10" diameter drive sheave at the outboard end of the drive shaft coming out of the pto gear-box on the mower.
My Solution:    I discovered that a standard 1-1/8" 6-spine coupler perfectly fit the splines on the outboard end of the pulley shaft and missing pulley (sheave).    I know i am typing quickly and using slang words so am mixing and matching terms.    sorry
    The i took the O.D. of the coupler, which was approx 2" O.D, x 4" long, on down to the local bearing shop and had the salesman drag out his book for pulleys, sheaves and hubs.
I wound up ordering a similar diameter sheave designed for a tapered hub.   The tapered hub was bore-able to fit over, and clamp to the collar.   I took the pieces to a local machinist, and had him bore the hub to fit over the coupler, and cut the coupler to length for assembling onto the mover driven shaft, and Voila !!     I should post it on one of the vintage tractor interest forums, but that would distract me more than i am now.    hahahaha    Ford model 670 Flail mower 6-ft arbor.
End of mower side story and standard spline applications.   My guess is the center hub from a clutch disc can readily be converted to a coupler ( if needed in a pinch ).    darn-tootin.

Now, if i were doing this for a Client, they may or may not be concerned.   I know, many people are hesitant about modification to components with machining and welding, but we must remember each day we trust our lives to machining and welding.   If you have any doubts, just drive across the golden gate bridge which was built in the '40's, and people trust their lives to it each day in commuting into good old Frisco.

I rented a  (gear puller ) and a (bearing separator) at AutoZone and dove into pulling bearings on the SM465 yesterday.   What a chore.   Yes,  i wound up using oxy-acet to heat up the inside race of the bearing on the output end of the splined mainshaft, and several times as it was a Tough-Pull.
    As i read through service manuals, seems they each have a different Name for components.
Why must manufacturer's each have their own name.   
For instance:     Input Shaft - (driven-gear) or Cluster Gear (Counter-gear).  I have never heard any line mechanic use the term "driven-gear" for a transmission input-shaft.   Why must each mfr be "different." ?

One Difference i have discovered between a Borg Warner T-18 and a Muncie SM-465 is the cluster-gear on the SM-465 rides on case mounted bearings rather than needle bearings on a shaft, like the BW T-18.
I was reading the SM465 has differences in the 1st gear with improvements over the years.   Hmm
I am tearing down the SM465 to discover the differences.   _ _ _ hey, i'm retired, so No-Hurries.
Yesterday, i got that stubborn output bearing coaxed off of the mainshaft (output shaft), and by then i was running out of daylight, so no more progress on the SM-465 tear-down.


Posted By: Greaser007
Date Posted: 23 Jan. 2021 at 4:40pm
Saturday morning PCT, yes, Pacific time on a brisk 37-degree morning.
No, you won't catch me on the snow ski hill before 12-noon because the slope will be frozen, and guaranteed bruises when you take a fall early morning.  Frozen snow groomed, is like falling on a concrete sidewalk.    Years ago, snowboarders had butt-pads inserted into the rear-end of their Board Pants, to cushion the fall while going over backwards.   I have never been beat-up as bad as my first day on a snowboard.  After that, i boarded 15-seasons, and went back to snow skis around 2005.

Well, all i have to say about disassembling the Muncie SM 465 transmission was a Tough Go.   Ugh.
First off my C-ring Pliers were not up the the task for both the Borg Warner T-18 or the Muncie sm 465.
Took me all afternoon to pull the 3-bearings required on the SM 465 (after sweet-talking those pesky C-rings off all 3-locations.   Yes, i followed the GM Service manual to the "T" for disassembly.
A NOTE here:
     The counter gear (cluster-gear) must have both front and rear bearings removed so the counter gear can "drop" into the bottom of the trans case in order to pull the Input Shaft out through the front.
The  borg warner T-18 is similar except the cluster has a thru-shaft with needle bearings.
Dropping the cluster on the T-18 is MUCH EASIER than on the SM 465.
Here is another note also on the SM 465 Specific as spelled out in the service manual:
The case of the SM 465 has wo recesses cast into it at the front of the Cluster which allows the roller bearing to be pryed-out with suitable prying device like a big-heavy-flatblade screwdriver.  ( I wound up using a cole chisel and 3-lb mallot with many careful taps going from side to side in the 2-access recesses in the case.   It is very slow going.
     Best i can figure, is my SM 465 is around a '74 to '78 model having the PTO port on both sides.
My back hurts  !! 

    
       SM 465 Mainshaft output bearing removal.  Slow and tedious.  If you notice, the radius of the bearing separator lip doesn't match the radius of the bearing race, so the separator is only grabbing the bearing in 4-points.     Not real good, but the best I have available, and it worked.
Yes, i had to keep putting a dab of heat on the race to keep it moving along on the shaft.



      SM 465 rear counter-gear (cluster) bearing removal.


      SM 465 Driven-gear (input shaft) bearing removal with AutoZone rental puller goodies.
An Note:   i used this same puller in 2019 to pull bearings on my T-18 and T-98 trans.



     SM 465 front counter-gear (cluster-gear) roller bearing removal with cole chisel and 3-lb mallot.


     SM 465 transmission case cleaned and painted, de-burr case face.   Note the heavy machining marks !
The machining looks as heavy as what we find on the early Willy's cases (engine blocks and trans & t-cases).


     Ok,  you know how you get the butterflies when facing a difficult task and then it becomes easy to come up with excuses as to why we haven't exited the "starting-blocks" yet ?    Nervousness  !!




Posted By: Greaser007
Date Posted: 18 Feb. 2021 at 5:49pm
Hi guys and ladies (if any ladies),
    Below, i am attaching a link to Ken's (Oldtime) thread posting which is a nice reference:
Please note -  it center's around the early Willys optional Borg Warner T-98 trans with part numbers.

http://48cj2a.com/T98A.htm" rel="nofollow - Oldtimes T98A (48cj2a.com)


The following link is Ken's but the photos were lost:

http://www.earlycj5.com/xf_cj5/index.php?threads/borg-warner-t98-a.125624/page-2" rel="nofollow - Borg Warner T98-A | Page 2 | ECJ5 (earlycj5.com)


Today, Thursday, Feb 18,  i am lounging on the sofa dreaming of what could be:

I somehow landed on the "Pirate4x4" website reading a thread post about IH Scout T-18 transmissions.
From that link,  I got off on to reading about the Rubicon Trail and rule changes and regulations of keeping open the County Road.

A  quick note about what I know of running the Rubicon from 1983 through 2001.  _ 20 yrs ago.
Back when, 1985,  a person could drive a jeep with oversize tires through the Little Sluice Box.   My guess is around 1987 people began winching boulders off the sides and down into the Sluice Box requiring a tube-framed-buggy to get through with out body damage.   I could give you all an opinion of this kind gesture, but will refrain because I don't need to go there.   All i can say is people were defecating everywhere outside of campsites on top of the ground without burying with a shovel, and it was GRoss.
Makes me wonder why some people must deficate in their own nest.  Oh wait, the property belongs to the public, so i guess they feel no responsibility to pick up behind themselves.   Hmmmmmm
    With all the poop and trash that some people left behind back then, i am surprised the jeep trail is still open today !!    Seems like even back then, in order to use a fire-ring, i had to clean out a garbage bag of trash from the previous "Users".     I know some 4x groups have "pooper-scooper" days, but when the Jamboree pushes 400 people through in a few days, that equaled  Lots of Poop on the ground.
Really,  how many city-folk carry poop shovels and use them.    concerning _ _ _
   End of Rubicon Trail concerns.   

My machinist is making an adjustment to the clearances of fit between my T-18 special front bearing retainer "coffee cup coaster" so it will easily index into the modified L134 bellhousing.  
Take note:    for you who are new to this, Ford does have several diameter's of front bearing retainers.
In my best interest, I chose the smaller of the two being 4-3/4".   Anyone doing this conversion path will have to make their own choice, but, for me, i'd say go with the smaller hole for least disturbance to the L134 bell housing index hole.

     More to follow soon, _ _ _ _ I hope.   :)


Posted By: Greaser007
Date Posted: 21 Feb. 2021 at 5:10pm
    Hi  reader's !    Feb. 21, 2021  Progress Report.

Ok, so, upon observation, I discovered the two bolts were sheared off that attach the crossmember to the IH Scout adapter plate which connects the T-18 trans to the Transfer Case.   Hmmm
My only thought of why those two 7/16" bolts were sheared is because a previous owner hit something solid in the front, causing the weight of the engine and trans assembly to continue moving forward, instantly shearing off the two bolts. 
    Anyways I had my machinist extract the two bolts for me.


    two holes in T-case adapter plate bottom.   
Note:   the bottom surface is machined at an angle to perpendicular to the plate.  not 90 degrees.
You can see where the stretch of the bolts broke out some cast iron around the hole in photo.






    Yesterday was Cluster Gear re-assembly from the IH Scout T-18 trans case into the Ford T-98 case.
Here is the "Deal" -  most articles i've read mention that because of the tight fit of the Cluster Gear with thrust washers installation requires Three-Hands !!    Right !
    So, i meticulously load all of the Four sets of 22-rolller bearings and Separation washers into the Cluster for re-assembly into the case.   Now, i didn't tightly pack the rollers in place with bearing grease.
I did this so the trans fluid could easily work it's way into the needles.   _ _ a good idea _ _ right !
    Well,  yep, you guessed it.   I had to tilt the Cluster up on end to carefully ease it down into the Ford T-98 case.   Aaaaaahhhhh   Noooooo !!    All of the roller bearings and separating washers spilled out onto the cardboard and floor.     I Knew IT would happend.


    In this photo:   on the aluminum tube is the roller bearing center spacer, and the roller spacer washers.    You know,  _ _ i really did know going in, to expect one or more Blunders.
     hahaha   Welcome to the home method of Learning by Feel.   yep, good ol hands-on.   Ouch !

Hey,  my wife yesterday evening thought i had a reaction-rash to my first covid shot.
I reminded her it was the scuffing of my arms against the inside of the trans case walls.


     Reloading the rollers @ 22-rollers each of four groups total.   A tedious task where anything disastrous may and Can happen.    LoL     This can take while _ _ _ _ 


     New thrust washers on left, and the old washer on right.


Note, the old thrust washers look like Hell, but when checking over-all thickness of the washers, they were both basically the same measurement  =   0.020-inch.    
I honestly believe i could have re-assembled everything into the Ford case and the trans gears would function properly, But _ _ _ to feel Good about my efforts, i am replacing ONLY the thrust washers.
I am re-using the original Borg Warner cluster roller bearings because i know they will go many more years.    The new rollers in the small parts kit are probably not U.S. mfr, but probably sufficient.
Am I Supersticious ?    _ _ _ yes.     LoL


   I have been "Forewarned" previously.
I did not watch the clock either, but after dumping all the roller's out,  i walked back to the house to wash my hands, pour a glass of punch, and have a smoke.   From my research, i was expecting the installation of the cluster and thrust washers to take a Loooong Tiiiime.   and it DID, hours.
    Finally, after using Napa wheel bearing grease 'plane-jane' stuff (yellow) i did dab some here and there while stuffing the rollers and separating washers in place.   I was using a piece of aluminum tube from the salvage pile to go through the middle of the Cluster to hold everything in place.  Then, when installing the Cluster Gear Shaft, the Shaft pushes the aluminum tube out ahead of it.
Note:    the shaft goes in from Rear to Front.
I fought and fought trying to hold the Cluster with one hand,  and rotate, to the stuff the Shaft in from the rear while rotating it also.    It Didn't happen.
My aluminum pipe is cut long enough to catch and hold the Twe Rear Thrust Washers in place while gently and lovingly lowering the loaded Cluster into position.  Remember:   there is a big large diameter thrust washer at the front of the Cluster.  This washer is 'indexed' to the case with a bent tab.
Yep,  my 'small parts kit' must be from China, because the bent tab looked insufficient.  So, in to the vise it goes, so i can persuade more bend with the assistance of a small pair of Vise-Grips (my fav buddy in the shop).   Everyone should own a pair of Vise Grips with the chain (not used here).
     Note:    I held that big front thrust washer in place with grease to stick it in place AND with the "bent tab" indexed properly in the recess of the case.   Pay attention to this with care !
I held the front thrust washer from falling down by using the Reverse Idler gear Shaft as an index.

     Well,  after many many concerted, and failed attempts, i needed the 3rd Hand, which would be the boss's touch,  my wife and best buddy.   I recruit her assistance, so i can Balance the Cluster with both hands, so it "floats" in position.
     Oh,  Too  -   _ _ _ there was about Zero chamfer on the front edge of the shaft ok !   And, i figured out that the roller separating washers are just small enough O.D., that they would drop down enough that the leading edge of the shaft was hanging up on the washer.
     I got out my 4-1/2" grinder with diamond wheel and put a good heavy 1/16" chamfer.

     My next assembly attempt with the wife manning (womanning) the shaft, and me balancing the Cluster, i carefully made sure the most rear-ward of the two rear Thrust washers was lined up, and Presto !!   _ _ _ with a few subtle jostles, the Shaft slid right in like it should have the first try.


     In this photo the Cluster shaft has been inserted into the Cluster Gear.   You can see the Reverse Idler shaft sticking out front, which is holding the front thrust washer from falling down.





     This photo shows the Tab sticking Up on the rearward Thrust washer.  On the bottom of the washer is the open groove which sits over a casting on the trans case preventing it from spinning.


      This is looking at the Forward Thrust washer with Indexing tab.
I put my new wasjer in the vise to give it more bend stick ou.


     Finally,  wow, what a trying afternoon of Jostling the Cluster, Thrust washers and Shaft.
     Yep, i was shafted until i Chamfered the cluster shaft leading edge.  I think i could have installed the shaft with out the wife's assistance had i chamfered the shaft before my first assembly attempt.

     Hahahaha  _ _ _ kinda funny, who we get nervous and get the butterflies just before re-assembly of something we don't work on everyday, so we are essentially Learning-as-we-Go.    right  !!

     Like that old Redneck said to his buddies  "Hey ya'll watch this" !!  _ _ before his Fail.   hahaha

     What a relief to have the IH Scout Cluster gear (Counter gear) installed into the Ford T-98 case.

     While carefully driving the Cluster shaft through the Case and Cluster slowly with a plastic mallot, the shaft pushes my aluminum tube out ahead of it.   Believe me, with the thrust washers in place with the cluster in the case, the fit is so snug, the roller separating washers on each end have no room to drop out.   BUT, do keep a close eye on both end thrust washers to make Certain they are Indexed properly.   When everything is lined up, the cluster will 'float' in position.   This is a good thing.
     
     Next i will show Differences i encountered while COMPARING gasket faces of the Ford T-98 case to the IH Scout T-case Adapter Plate.    Not Good !!
    I will attempt to show the discovered Miss-Fit between the two.   Yep,  big time leak issue.
   
     See my next thread:


Posted By: Greaser007
Date Posted: 21 Feb. 2021 at 9:27pm
    Feb. 21, 2021  Pacific Time @ a little past 1:00pm:

     As i laid out the gaskets which insert between the Transfer Case Adapter plate to transmission, and the gasket inserting between the Adapter plate to Transfer Case.
     Well,  if we look at the following photos, there is a gap between the transmisison casting and the IH Scout Transfer case Adapter plate.    Not Good.  !!!!
This means i will have to build up some weld beads to fill in the Gap-Area on either the T-98 trans case or the IH Scout Adapter plate.   Or, i could use JBWeld as a filler, and machine flat at the gasket surface.


    This photo shows the gasket which follows the contour of the T-98 Trans case, but does Not follow the outline of the IH Scout transfer case adapter Plate.    Geat Scott  !!!    another hurdle.



    This shows the gap between the t-case adapter plate and the gasket.  The gasket follows the outline of the Ford T-98 case.   As a note to, directly behind this gasket in the "gap" area, is a threaded hole which accepts one of the Transfer Case mounting bolts.   I will have to fill carefully with no slop over into the threaded area.



    This shows the area to potentially fill for a complete gasket mating surface on rear of T-98 case.
This decision will be made after doing some filling practice using Harris 99 nickel electrode.
    To be continued:

    





Posted By: Greaser007
Date Posted: 21 Feb. 2021 at 9:44pm
    Sunday afternoon, Feb, 21, 2021  @  1:30pm Pacific Time:

     I discovered an interesting possible problem.  As i looked at and moved the 3rd / 4th synchronizer ring on the synchronizer hub,  i noticed the clips and clip retaining ring moving forward and aft with the 3rd / 4th gear shifting Ring !!
I thought this means the retaining ring on the other side is Hay-Wire.
The clips are supposed to keep the 3rd / 4th shifting ring centered on the synchronizer hub.


     This shows the poppet clip (in the hub groove) pulled out from the hub with the ring.
     Upon removing the synchronizer hub from the mainshaft the 3-clips are retained by the inside spring clip.  The 3 centering clips appear to he held for and aft by the synchronizer rings (bronze).
So, i have determined everything looks to be in order when installing the syncro with the input shaft (driven gear - technical name).    When the input and syncro are in place the big syncro ring centers itself properly on the hub when in neutral.
      Note:   if you look closely, laying in the bottom of the syncro hub is a roller bearing from where the input shaft indexes with the mainshaft pilot.


  
     This shows the clip and clip ring retainer pushed back in the hub.
notice the needle bearing hiding behind the spring clip in the  bottom.





Posted By: Greaser007
Date Posted: 07 Mar. 2021 at 2:13am
I'm back with more discoveries of March 4th:
What I need to address is the oil return hole and galley from the front bearing retainer back into the transmission case.
     So, for starters, the Willys L134 front bearing retainer sits nestled into the "Coffee Cup Coaster" aluminum adapter my machinist made.  I need to figure out how to provide a galley.

     What i did is to locate on the aluminum adapter where i need to bore a hole through it to carry oil back into the transmission case.  I bored a countersunk 5/16" hole.  Then at an angle through the adapter, i drilled a hole through.   This hole will line up with a new 5/16" hole drilled into the backside of the front bearing retainer.   Next, to carry oil from the original oil galley recess, I drilled a series of holes, and then with Dremel and a diamond wheel, i cut out between the series of holes to provide a galley to carry oil from the retainer side (front of bearing), on through the hole in the adapter plate and on through the original oil return hole in the transmission case.    Bingo !   problem solved.


    In the above photo:   the cast iron front bearing retainer is lined up with the oil return hole drilled at and angle through the aluminum adapter plate.    
My thoughts are:   if i were to use a sealed bearing for the front, would i really need an oil return hole ?



    In this image, when the cast retainer is seated into the adapter, it is rotated so the hole at the upper end of the galley matches up with the hole in the adapter.   
Yes, i did bunches of head-scratching, and oogling at my Oil Return Galley 'rubix-cube'  yep.




    The above photo shows the oil return hole marked in yellow.
The bearing retainer has been modified to channel oil front the front side of the retainer, back into the case.
Note:    where the oil return channel has been cast into the front L134 bearing retainer, it is raised above the surrounding surfaces.   I didn't have enough meat (material thickness to cut a passage perpendicular to the input shaft centerline, so that is the reason for drilling holes and cutting between them.    My idea was to cut the galley through the thick flange portion of the Front Bearing Retainer.
The surface of the aluminum adapter with drain hole shown, mates up with the trans case hole marked in yellow.   So from this image, both the retainer and adapter get flipped over for install.



     In this above photo:   i am removing the clutch fork pivot ball.  It is the push-in style, so i twisted it with the Vise Grips while prying upwards with a big screw driver.   It worked !


     In the above photo:   I am showing the removed clutch fork pivot ball.
The ball needs replacing because it is badly worn.
Don't men service or do periodic service to their rigs so they don't have to be towed home by their buddies ?


Now i can move on _ _ _ _ to addressing a mismatch between the rear face of the Ford T-98 trans case to IH Scout T-case adapter plate.


Posted By: Greaser007
Date Posted: 07 Mar. 2021 at 3:49am
March 6th 2021 project update:    Slooww going.   yep !    hahaha
Hey, why crack a sweat when i just did, taking care of the home-front firstest.   As always right !
I have learned that if i do go out of my way to appease my squaw, life is good or gooderest yep.
Whatever.    Hey, at least I drug my dad in and out of the Rubicon a few times and the 3-day trek through the Dusy Ershim Trail up in the Sierra Nevada Mountains east and north of Fresno, California.
    I remember one year when he was 65 years old and i was 42, and we hiked 6-miles in and 6-mile out in one afternoon to explore the Barrett Lake Jeep Trail up in the vicinity of the Rubicon.   He dang near out walked me, and i was the one asking for breaks.    hahaha

Ok  here we go exploring the Mis-Match between the Ford T-98 rear face and the IH Scout T-case 
Adapter plate:    It doesn't match up in one spot as i was scrutinizing the gasket mating to both supposedly mating surfaces.   Hmm.    a No Go


   this photo above shows the difference between the Ford T-98 trans case gasket, and the IH Scout T-case adapter plate surface.    Hmm,  what to do:  ???
Note: in the area of mis-match, the IH Scout T-18 transmission case matches the adapter plate.
I wonder how the rear of a newer '70's vintage Ford T-18 case would match up with the Scout plate ?


So, i have two choices:
   1 -   weld up one of the surfaces to mate with the other.
or
   2 -  build up the required area needed for mating with JB Weld or similar.


   In this photo above:   the area at the tip of the screwdriver is where i will build up with weld beads, and then draw-file the weld bead down flush with the rear face.  This will allow a match-up between surfaces.


This above photo shows my 'practice' filler bead on the donor Ford bell housing.
I basically overlayed several spot welds (or stictch welds).   I'm feeling lucky !!
Hey, i tried knocking loose the filler bead with the claws of a 22-oz framing hammer and it was a no-budge.


Open air welding table _ _ _ doesn't get any better.   Well, except the termites keep getting into my wood rounds when standed on end.   yep, those pesky devils work around the clock too.


   In this photo:   my paper gasket shows covering the area built-up with mig-weld-bead.  I made this yellow lined paper gasket to check Fitment.
The paper gasket I purchased which was made by Crown "doesn't fit properly.  The gasket for the t-case side of the adapter fits ok.    Re-Pop market stuff can be a real crap-shoot.
This means i now must buy a pack of gasket material 0.0012 thick, and make my own which fits.



    in the above photo:     Welding and flat filing are DONE.    whew
My mis-match of the T-98 trans case to t-case adapter plate has been solved without having to call in some $85 per hour welding guy.    Is the welding guys work any better ?   _ _ _ that depends.   LoL
Probably  !!     hahahaha     hey, remember, i am a lifelong welder, but no expert.
If i were younger, I'd buy me a nice used TIG welder.  (I still have trouble soldering, and properly prepping surfaces to be tinned.    Oh well.


Personally,  i have been welding since 8-years old, so you get the drift.
Now the question:   How to weld up an area to be dressed down ?
Easy _ _ _ just fire up an electric arc welder _ _ _ mig or stick electrode.
I can direct a quick spot weld with my mig, where-as with a stick electrode, it is a crap-shoot where my weld bead will be once an arc is struck.     oh yeah, try again, and don't let the electrode stick to the workpiece.     hahaha
I just don't stick weld often enough to do a spot weld with a stick.   That is an acquired art.

You guessed it right !!     Yep, i'll be using my 225 mig-master with .035 steel wire.

I began by attempting to mig weld on the Ford bell housing donor a filler bead.   Yes, at first i had my heat too low, and turned up both to 3 setting and wire speed at 3.    Hey, nice !
Ok, as that red-neck yelled to his buddies:  "hey y'all, watch This" !!
So here goes, i'm going in with both feet, so if there is no bottom,  _ _ i'm a gonner.    LoL

For whatever reason, my first try on the Ford T-98 trans case my heat was too cold.   Hmmm ??
It was just a-ok on the '79 Ford truck bellhousing.    Aha,  the bell was warm, and the trans case was cold.    Temp can make a difference.    So i turned up the heat and wire speed a bump.

Geeze Louise,  ever try draw-filing a surface for flatness ?
My next hour was spent ever so lovingly flat filing my fillet weld on the Ford T-98 case so the sealing surface will match up with that of the IH Scout adapter plate.
So, for you guys wishing to do one of these conversions,  spend $2k and buy one race-ready.
I wanted to wade my way through this, so $$ and time is no biggie.   If i happen to pass before i complete this rubix cube, my wife will proably just toss it into the weekly dumpster Bin.    Omg




Posted By: Greaser007
Date Posted: 13 Mar. 2021 at 7:34pm
   Well, i've been doing some head scratching on proper re-assembly procedures because the Warner service manual has a NOTE:   "Use special push / pull tool blah blah blah to properly install the front and rear mainshaft bearings to prevent pushing the syncro cone into the brass syncro ring and expanding it."
    Hmmm
    
uploads/8821/Borg-Warner_T18_tranny.pdf" rel="nofollow - uploads/8821/Borg-Warner_T18_tranny.pdf

So, to check for this "Squash" syndrome thing, I did some Checking !!   _ _ with my trusty mic:


    measuring the slot on the input shaft where I may insert a "squash-eliminator" plate to use during installation of the front bearing.   measured close to 0.180"  nearly 3/16" it appears.

     measuring gap with 4th gear snycro ring removed.


     measuring gap between rear face of Input Shaft and front face of 3rd / 4th syncro hub.
Yep, there is an obvious difference that the syncro holds the shaft forward away from the syncro hub.



    4th gear (direct) syncro ring with painted notches.   _ _ _ just me.
Hey, i paid good money for this wrecking yard style paint marking pen, so i'm using it.    haha LoL


Gap between the rear face of input shaft to 3rd gear front face:  (no needle bearings installed).
with brass syncro ring removed  =  0.216"
with brass syncro ring installed  =   0.260"

End result:   I found there to be about 0.005-inch with rounding, squash possible !

I remember reading in another build thread somewhere in my 'bookmarks' but I failed to isolate it into a folder Specific to "input shaft Support", so i haven't found it yet.   I have a bazillion bookmarks with info related to the T-18 Borg Warner transmission, and i trying to find anything is overwhelming.  Ugh

     Ok, so Here are some interesting SIMILARITIES between the T98 and T18 internals:
The "needles" that the T18 Countershaft rides on are the same as the needles used in the front of the mainshaft to input shaft (driven gear).   Technical terms like "driven gear" drive me Knutz !

Needle measurements i get:  0.0187" dia. x 0.986" long, whether new or used.

Did i use the new needles which came from a "small parts kit" with no name on label.   hell No !!
I am re-using known good needles which are probably OEM Borg Warner.   Being superstitious, i prefer using known-good components rather than imported un-known's.
Personally, i haven't had satisfactory luck with Crown gaskets whether carburetor or trans.

     I like speaking in Laymen's terms like the daily mechanic.     hahahaha (knuckle buster wrench) !!
From wrestling with the heavy gear sets, my finger nails are broken back to the pink.   As Always !!
And skinned knuckles is a given each week.

     Ok so Thursday, March 11th I was wanting to check a few things, so i installed the needle bearings into the rear of the Input Shaft to check Fitment to the front nubber of the Mainshaft.   Hey, i used light Napa general purpose wheel bearing grease to stick the needles (22) of them, and then light oil on the surface of the front mainshaft nubber, and stuck the two together to check "Wobble" at the front pilot-bearing end of the Input Shaft.    WoW  !!   I am impressed  !!   not more than 1/16" sideways movement, so much tighter fit than expected.    Also, i measured the diameter of the hole in the rear of the input shaft to be 1.510".
measured the O.D. of the Mainshaft nubber that rides inside the needles to be 1.135" O.D. x 1" long.



      Another thing i Learned upon inserting the Input and Mainshaft into the Ford T98 case:
I could not get the mainshaft nubber into the rear of the input shaft, with the Input inserted into the case prior to installing the main shaft assembly !!!!
      What i have learned in the past is:     many manual transmission input shafts have a notch cut into the teeth that the syncro ring meshes with which will allow insertion clearance past the cluster gear teeth while inserting the mainshaft from the front.    Bingo !!


    This photo shows the clearance "notch" in the input shaft allowing the shaft to be inserted from the front of the transmission case after the Main Shaft assembly has been carefully lowered into the case and supported on the input end with mechanic's wire, and supported in the output end with a block of some sort (I used a plastic cap).


  
      This was the procedure that I used:
      I suspended the front of the mainshaft assembly with mechanic's wire nearest to center that I could (for insertion into the female end of the input shaft).   I propped-up the rear of the Main shaft assembly at Output end with a plastic spray cap.   I then very carefully insterted the Input Shaft through the hole in the front of the T98 Case, being sure the "notch" was on the bottom and clearing the cluster teeth as i slowly rotated the input while working it back.    Make certain the notch in the syncro rings matches up the the "clips" in the 3rd / 4th syncro-hub and shifting ring.
I don't think the input shaft would go in if the syncro isn't lined up with the clips.
      Now,  I have a confession to make:
     I have splayed needles everywhere in my assembly area.   No kidding !! 


  
Remember, when i was removing the clip to access the 3rd / 4th gear syncro assembly, the clip shot off and bounced of my stomach and ricochyed over off the bench.    That sucker is a GONER !!!
Well, when i reached over to grab my flashlight to compile a 'search', the clip was hanging from the magnet on the base of my flashlight  !!    Go Figure.
     I wonder how many more needles i will find throughout 2021 shop cleaning excursions ?    LoL

     Here is the Deal guys:      All of the needles measure identical.    Good News !!
Upon close measure, i couldn't find any differences between the old and the new.
Me -  being supersticious,  i reused all the old original BW Countershaft and Input Shaft needles from the IH Scout T18 internals.    I always reuse those parts which appear serviceable.

Did i mention earlier a Similarity between the GM SM465 and Warner T18  ???
They both share the same rear output bearing.   They look IDENTICAL.   How's that for Apples !!!

      Because i do happen to have disassembled both the SM465 and T18 side by side, i can very clearly see the differences, but very similar.


     this photo shows in 'yellow' the original line of the Ford T98 case.   I used my 225 mig using steel wire to build-up the necessary area so the IH Scout t-case Adapter Plate will match up.
Yes, i had to make a gasket to match with the IH Scout plate.  The gasket i purchased from an online vendor was made by Crown, and was Waaayy out of spec to use.   What a p*sser.
Using the mig machine, the weld in quick stitches lays material down so fast the transmission doesn't know what hit it.     hahahaha    Zap  Zap  peen zap peen zapp zapp peen.   then hand machine the surface with a large bastard file.     slow and Care-Full.
   Well, i've been freezing my butt even with the propane portable heater burning one side of me while I chip ice off the other side.    Yep, knumb fingers, and all _ _ _ you know the drill.


 Currently, i need to source a new rear Mainshaft bearing, and will probably make some local phone calls first before i place an order online.

      Oh, yep,  i've been having starting issue's with my Ford 460 in a '78 for Van.
The other day the engine was kicking back against the starter.   hmmm,  what the heck !!!! ???
Yesterday, i pulls the spark plugs (no not Willy's related, but similar addiction and symptoms) and checked them all with my handy "spark-checker" tool.   The spark checker is the Briggs 3.5hp push mower !!    yep, i was on the spark end, and my wife was on the pull-rope end.   All eight spark plugs sparked.   Hmm.  why was the engine kicking back against the starter and stalling the cranking ?
     Just for Grins, i decided to see what compression one of the cylinder's is pushing.   175 psi !!
But while attempting to turn over the engine against the one cylinder with the compression gauge in place the engine bumped up against the gauge the second revolution after hitting 175 the first rev, and the Starter STALLED OUT  !!!!
      Now we know what I will be working on today.    Yep, the hopeful removal of the 460 Starter, to then take it in for exchange for a rebuilt unit.   ( I know, i dislike refurb's but repops are nothing special.




Posted By: Greaser007
Date Posted: 15 Mar. 2021 at 3:39am
Sunday, March 14, 2021:    a miserable wet and rainy day.   yuck, and Cold

     So yep, today, i'm feeling Lucky.   So i get the small ball peen hammer and begin co-ercing the front and rear mainshaft bearings in place.  rata-tat and tap tap carefully and slowly.
I get the rear bearing in place.  I wanted to say the inner race on the shaft is a tight fit but the outer race slid in to the Ford T98 case easily.   Next i focus on the front bearing now.   Ok, things are not looking good.   Hmm, what the heck.   Remember the outer race of the bearing is a slide-in fit into the case, and i can push the input shaft back to where it looks correct with the syncro for 4-th gear.   I gently tapped the front bearing up to where the outer snap ring was against the trans case, and i still had about 3/32-inch gap between the rear face of the bearing, and the front face of the input shaft gear.    Hmmm, what the heck  ???
     I NOTICED on disassembly of the input shaft and mainshaft the "suspicious" Gap.   Hmmm
Now, why does this gear case swap require the use of the thicker front bearing.
I am 'wondering' if someone ahead of me, installed the narrow front bearing, and didn't check for Gaps, and pulled the tranny because of it not staying in 4-th gear, which is what gear the gap would affect.   Why must i always have to Trouble-Shoot stuff i buy second-hand ?    why ?
Because !    _ _ _ because i usually go for the stuff that is different or odd-ball.    Is IH norm ?
     
    I'm driving head-long into a Severe Winter Storm Advisory tomorrow again with my 32yo son for some nice Powder Skiing.   Yep,  the snow storm will be Brutal, but we have the proper gear !  BEER !
When the temps are near 22-degrees or less, the body needs some sort of Anti-Freeze to stay Limber.
Nowadayz, i'm the sober driver, and my son enjoys the BEERS.  I have real fond memories of when I was his age.   yep, I was 30-yo when i bought my CJ-7.

     Ok, so i did mic the thick and thin front bearings, and the difference is what gap needs filling for the bearing to push the input shaft back to where it almost touches the syncro clips (3 of them).
     This gap is slight but must not be tight.   What the Service Manual says is when shifting, the shift ring on the synchronizer hub pushes the syncro clips against the syncro, pushing the taper of the syncro onto the tapered hub on the gear slowing and assisting gear mesh.    Important note:   like the manual says,  do not press the cone into the syncro or the syncro won't slow down on the cone providing for smooth gear mesh.
What i wound up doing is using a small ball peen hammer to slowly coax the bearing onto the front and rear shafts.   The logic is simple:    the small hammer weighs much less than the piece the bearing is being driven onto lessening movement possibly damaging the syncro.

Here is what I get for bearing thickness:
thin bearing  =  0.905 inch
thick bearing  =  0.790 inch
Difference  =  0.115 inch      _ _ _   aha, just about right to push the input back further.

      After i get all the gremlins figured out, then i have to check the shift tower for proper operation. 

      The following link has some interesting reading:
http://www.earlycj5.com/xf_cj5/index.php?threads/lets-talk-t18-and-t98.47629/" rel="nofollow - Let's Talk T18 and T98 | ECJ5 (earlycj5.com)

In the link above, Stew discusses his "gap" like i am experiencing.   yep.
He mentions having to use the thicker front bearing, but had to remove the large oil-sling washer that resides behind the front bearing.    Ok, i'm toasted for the day.   Done-In, and my brain is mush.
Member xlr8n mentioned some '78 models did not use the oil slinger washer with the wider bearing.
Go Figure !!       _ _ _ I now have more measuring to do next time i work on this puzzle.   :)
        see you next update !


Posted By: Greaser007
Date Posted: 22 Mar. 2021 at 2:33pm
Monday, March 22, 2021 -  update:    @ 7:20am   PCT

      I miraculously discovered an answer to the Big Question i had of the two thicknesses of front input shaft bearings.

      Each article i read on the net has some good information, but many do not go into elaborate detail on each proper step of re-assembly.  My Big Question up until Sunday, March 21st was:
    What one thing determines using the Thick .905" or the Thin  .790" bearing ?
The Input Shaft (Driven Gear) groove for the bearing retainer clip determines which front bearing is to be used !     I guess I somehow must have overlooked this on all of the articles i've read or seen on videos i've watched on uTube.
      If you want the answer of how i discovered this ?    simple simon, i tried installing the thin bearing part way, but not All-the-Way enough to install the retainer clip, and pulled it back off thinking I needed the wider bearing to "push" the driven gear back into the 3 / 4 Synchronizer assembly only to find out the retainer clip groove location will only accept either the Thick or the Thin of the two bearings.

      I have the Input Shaft removed, and i pulled the thick bearing off of it after dinner, and will hopefully find time this week to dive-in again to see how the Thin bearing works out.
( the Thick bearing wouldn't allow room for the retainer clip, So I have the THIN BEARING INPUT SHAFT ).   Remember, this is a Close-Ratio 4:1 granny 1st gear IH Scout innards being placed into the Ford T-98 case.   The cases both measure the same length.
For some suspicious reason, I am probably going to disassemble the trans mainshaft again looking for a mysterious "gap" between the Input gear and the 3-4 Synchronizer assembly.

      I spent 4-partial-days woodcutting last week because the free Pine was available, so i have not had the opportunity to properly focus on getting this transmission fully assembled.
       More later next time, so no answers today beyond my discovery that the Input Shaft retainer clip groove dictates which front "308" series bearing is to be used.

      Len


Posted By: Greaser007
Date Posted: 28 Mar. 2021 at 5:35pm
     Here is the latest.  I very carefully did a 'compare' of position of shift forks positions in relation to the position of the shift ring collars fore and aft on the Mainshaft assembly.   Voila !


    Measuring above to check fork positions against shift collar positions.



    Above photo showing what I consider to be too much 'gap' between syncro and gear.
    But, i am forcing everything over with the screwdriver



     I was getting the Gap when pushing the collar into 3rd gear position Further than the shift fork indents place it.    When in Neutral, the fork positions the 3 / 4 collar smack dab in the middle between the limits of fore-aft play allowed by the three clips which push against the brass synchro ring.
When the fork positions 3rd gear collar, it isn't positioned as far to the rear as i was able to push it by hand, thus creating the mystery gap.   I felt i needed to check neutral positioning of everything both when the trans is in Neutral or in each individual gear position.
     After all of my Checking, i have determined the transmission should run-in just  fine.



The above photo shows the 'normal' or 'neutral' position of the 3rd / 4th shift collar (ring).
All looks to be good and upon checking positioning of the shift fork, it positions the collar shown here, which is centered properly on the synchro hub.  The 3rd / 4th synchro hub is fixed on the mainshaft by a hefty clip.   This clip is the one that came flying off, bounced off of my belly and when it passed the bench, my magnetic base flashlight caought the pesky clips.   ( i'm still finding needle bearings ).  LoL
Hey, don't laugh until you have fallen victim to the disassembly head-aches.

NOTE:
We can insert and remove the input shaft easily with the mainshaft assembly in place, seeings how I have been switching bearings several times in my self-learning drill.
Look at above photo and you can see a Flat Spot cut into the 4th gear teeth (input shaft), which allows the input shaft (driven gear - according to some service manuals) teeth to pass by the teeth of the Cluster Gear.

      I did pull the rear bearing and inserted an 0.064" spacer ahead of the rear bearing to push the assembly forward to eliminate the gap.   Couldn't turn the mainshaft when tightening the front and rear bearing retainers (without gaskets).
I did do some 'checking' further, and did make a determination:
I am tempted to go to a transmission shop and look for a matchingdiameter spacer of 0.025" or 0.030" and pull the rear bearing once again and try it out of curiosity.    There is enough wiggle room of the collars that maybe the 0.025" spacer won't affect shift collar (ring) positions with the mainshaft pushed forward slightly.

I remember doing lots of shimming in decades past making old equipment run properly.

Back in the mid '60's, i repaired a bunch of motorcycle transmissions  just because i enjoyed trying to figure out why they would not shift or stay in gear.   Pretty basic really.    hahahaha  "clocking"
I'd go broke trying to earn a living as a mech.   I have to assemble and disassemble too many times before i am happy with the outcome.
     The gap between synchro and gear with synchro up against the cone looks consistent for 2nd, 3rd and 4th.   Checking this gap against those of the T-98 mainshaft synchro's was the same. The synchro rings do easily tighten against the cones by hand when bench checked.



This input shaft was cut down for me by Moser Engineering upon request to the T-90 / L134 template.  I LIKE their expertise !!
This shows the "coffee cup coaster" adapter which becomes the front bearing retainer for the T-18 and also cradles or holds the (cup) and the 'cup' being the T-90 / L134 front bearing retainer compatible with the early Willys L134 release bearing for the clutch.


This is looking from the haunches in mock up state showing the IH Scout Transfer case adapter plate.
I bought the IH Scout T-18 transmission with the straight-thru D-20 transfer case from a guy in Paradise, California a few years ahead of the wildfire that destroyed the community.

Now, i don't know any specifics, but this T-18 trans has the screw on shift lever cap.
And, i did discover that the syncro cones of the Ford T-98 are a much smaller diameter than those of the T-18.   Truthfully,  my brain is so cluttered with technical data and measuring with the calipers, I cannot describe a distinction with what interchanges, but there is no mis-installing one or the other syncro rings into the other.

 
Above i am showing the last item which goes in before the Cover tower:  Reverse idler shift lever.
Lightly grease or lubricate with oil the pivot pin and O-ring seal and install.   I haven't yet driven in the retainer Pin (if i can find it after a 15-month haitus.    hahahaha    _ _ good luck right !
Kinda like trying to find the clips, springs and balls that shoot all over the shop, when least expected.
Believe me -   you CAN expect this stuff to take flight never to be retrieved again.    LoL

Hey, not to dispair -   the needles interchange between the Cluster and Mainshaft both.     no worries guys.  I mic'd the needle bearings on both the T-18 and T-98 and all needles measured the same for both diameter and length, so, if you loose needles, just buy a small parts kit for $25.  no sleep loss.




Above shows my Ford T-98 case holding IH Scout 4:1 T-18 innards.  Modified Scout-to-L134 Input.  Custom made front bearing retainer adapter (coffee cup coaster) holding in place the T-90 front bearing retainer for the L134 throw-out bearing carrier.   Like Seth had to do with his T-18 conversion, he had to have the carrier machined so the throwout bearing moves back approx 0.25-inches because the aluminum adapter pushes the T-90 retainer about the 1/4-inch forward from the face of the transmission.




as you can see above, i have not installed the front bearing-to-input shaft retainer clip yet.
The T-90 front bearing retainer shown is a new-used part I purchased while up in Plymouth, Calif., in April 2019 while browsing through the used parts booth at the Historical Military Meet, which Doug Nile suggested I attend to sell a couple of GPW L134 engine blocks i have in mothballs.   
Besides the Front Retainer, I purchased a nice cj2a Fuel Tank which needed the brass outlet bung re-soldered,   I got a nice set of L134 Connecting Rods,  and some nice used clutch parts.

Note:
On my Scout T-18 input shaft, it only will accept the thin front bearing.
Now, i have read where when installing the thin bearing, the oil deflector washer must be discarded.
Hmm,  not on mine.  I 'first' installed the thin bearing with the raised part of the washer towards the bearing.   IT RUBBED !!    _ _ yes, guys i got to pull off the bearing and turn the washer over so the raised outer portion faces the rear, essentially laying up against the gear face.  No More Rubbing !!   Yeay



   the mad-scientist's creation.  I guess it would be called a "modified" Borg Warner T-18.

   Currently i am feeling very good about how i have everything set up, but not yet with gaskets.

     One thing i can say about this Build project, i have had this design in my head since 1984, and made it a High-Priority bucket list item once i retired, and now i can look back with a Big SMILE of gratification that it all came together.   Seth's T-18 build thread was an inspiration, and as he was, I am very pleased with the handi-work Moser Engineering did for me, and my machinist, Mark at A&A Welding and Machine in Anderson, California for his willing-ness to make my Coffee Cup Coaster front adapter for me.   I've around $400 total in machining at A&A, and $200 at Moser Engineering.

      The nice thing about this conversion is there is no need for an adapter plate between the T-18 transmisison and the L134 Go Devil bell housing.   The trans will slide right out like conventional. 

      Next will be to research the D-20 to D-18 transfer case mod threads that Ken (Oldtime) created a couple of years back.   I don't have his link located quite yet, but he has a wealth of information to be digested.





Posted By: Millennium falcon
Date Posted: 28 Mar. 2021 at 5:39pm
Sounds like you’re making good progress. I’m glad my build gave you some inspiration! Have fun! 


Posted By: Greaser007
Date Posted: 28 Mar. 2021 at 8:34pm
    Me too Seth.

     Ugh, i have way too many projects with most of them on the back burner.    hahahaha
Geesh with all of life's interruptions, it has been a long journey, and with waiting for parts as i figure out that  "oh yeah"  i need more pieces and parts.

     I waited weeks patiently for my machinist to set aside time for my needs, aside from his good money making projects.

     Looking back,  I had a most wonderful experience sampling electrodes for welding cast iron only to discover that the Harris 99 nickel rod was my Candy.    Good god the stuff flows in like molten solder, and ran low heat like Lincoln and Ken (oldtime) suggested.    No cracking yet in all the pieces i have welded with the Harris 99.   I even used my 1957 Lincoln SA-200 portable welder for this project.  I had to clean up and service the welder for the task, and sold it for $2800 when finished.    ha  $$$  to help fund the Addiction.

      I'm kinda thinking a Tera 3:1  transfer case gear set would compliment the Scout 4:1 T-18.   :)


Posted By: Greaser007
Date Posted: 02 Apr. 2021 at 7:38pm
Here we go !     let's see here -  Friday April 02, 2021:

      Last night is slid the L134 Willys bell housing over the indexing front bearing retainer adapter, and bolted it up to the T98 / T18 mix  T18.    The Mix !!    You can only imagine the idea's i have in my brain which is not yet on paper.   I wanted to get a photo to share of the Trans / Bell-housing pair.


   Above:   IH Scout T-18 input cut down to the T-90 template, and T-90 Throw-out bearing and Carrier.   Note:   the Carrier needed to be cut back 1/4-inch to move the Throw-out Bearing rear-ward because of the "Coffee Cup Coaster" adapter / brg retainer moves things forward approx. 1/4-inch.



   Above:    threw my Starrett dial indicator on the Scout T-18 Output for Run-Out.   Was spot-on !



   Above:    Look into my One-Eye  !!     hahahaha
Amazing how perserverence and lack of patience does pay-off after days and dayz or getting Dayzed !!   LoL
The new throwout fork i ordered from Peter DeBella and most of my other 'stuff' (goodies).
Funny how for us big boys, the Willy's parts supplier's are like Candy Stores.    hahahaha  _ _ kids !





   Above:    mock-up of the Bell-housing with throw-out brg and carrier assembly in place, but nothing pressed together.
     Note:    If you look closely at the Willys Service Manual, you will see very clearly, the nodule for the throw-out brg carrier "return-spring" is near the rear of the carrier.
Most all carrier's i found showed the nodule near the Front.    The Best Fit sold by DeBella is the only one i found in my internet searches with the nodule at the rear, giving me room on the front for the bearing seat to be cut-back the required 1/4" for this whole apparatussus to work.     snicker.





     Above:    please note this set-up is not for Sissies.   the Ford truck T-98 case and bell housing flange bolts and holes are 9/16" diameter.    Overkill, but it is what i drug in in my parts gathering, which i did before doing any Research of what I was looking for.    Don't we all ?    hahaha




   Above:     I'll be go to Hell.    The Dream i constructed hundreds of times in my brain since 1984 has come to Fruition and Reality.    If you want to know the real truth,  i would have been screwed if it were not for Moser Engineering's willingness to cut my input shaft, and my machinist, Mark, @ A&A Welding and Machine for his willingness to tackle my menagerie.    good good stuff.





     Above:    Modified IH Scout / Ford mix Borg Warner T-18 top view.





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