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2a vs 3b body - differences?

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44bz View Drop Down
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    Posted: 04 June 2018 at 5:34pm
My 2a body has a lot of rust - basically all the flat surfaces (floor boards, bed, and wheel houses) need to be replaced.  I've already picked up replacement floor pans.  I have access to what I was told is a 3b tub that was cut just behind the firewall.  I think the driver side floor is missing, but the passenger side, tool box, and rearward is all complete.  The rear floor and wheel houses are solid so I was thinking about getting it to cut out the good sheet metal and patch my 2a body with it.
 
Are there any fitment issues or differences in the tubs that would cause a problem?  Thanks
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Stev Quote  Post ReplyReply Direct Link To This Post Posted: 04 June 2018 at 6:33pm
I think you are good to go.  Hard to tell exactly where the cut is - dash of the 3b is not part of what you are splicing to your 2A?  If that is the case you will only have to move the bow pockets from you 2A the new rear (3b) sheet metal.  

Early 3b's are probably the same as the 3A / 2A.  As for the late 3b you might have to move the spare tire mount.

Send pictures.
Stev
1946 CJ2A Trail Jeep (The Saint), 1948 CJ2A Lefty Restored
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 44bz Quote  Post ReplyReply Direct Link To This Post Posted: 04 June 2018 at 6:45pm
Originally posted by Stev Stev wrote:

I think you are good to go.  Hard to tell exactly where the cut is - dash of the 3b is not part of what you are splicing to your 2A?  If that is the case you will only have to move the bow pockets from you 2A the new rear (3b) sheet metal.  

Early 3b's are probably the same as the 3A / 2A.  As for the late 3b you might have to move the spare tire mount.

Send pictures.
 
Thanks for the reply.  All I would be using from the 3b tub is the interior sheet metal - so the bed floor and the wheel houses, maybe the toolbox if it's in better shape than mine.  I'm going back out tomorrow to look at it and will get some photos then to share, probably of it in the back of the J2000Wink


Edited by 44bz - 04 June 2018 at 9:11pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bruce W Quote  Post ReplyReply Direct Link To This Post Posted: 04 June 2018 at 8:44pm
  The CJ3B tub has a spacer between the cowl side panels and the cowl top, other than that those parts are the same. The 3B does have a different firewall so a spacer was not needed on it. And the dash panel is different. The transmission cover is slightly different. The 3B fender tops are shorter, giving more leg room, as on the 3A. And there are some minor differences in the tailgate. Other than those things, all panels are the same. Even the 3B passenger floor has a "dimple" in it that only had a purpose on the VE CJ2A's  BW
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 44bz Quote  Post ReplyReply Direct Link To This Post Posted: 04 June 2018 at 9:11pm
Originally posted by Bruce W Bruce W wrote:

  The CJ3B tub has a spacer between the cowl side panels and the cowl top, other than that those parts are the same. The 3B does have a different firewall so a spacer was not needed on it. And the dash panel is different. The transmission cover is slightly different. The 3B fender tops are shorter, giving more leg room, as on the 3A. And there are some minor differences in the tailgate. Other than those things, all panels are the same. Even the 3B passenger floor has a "dimple" in it that only had a purpose on the VE CJ2A's  BW
 
Sweet!  Sounds like I should be in good shape then if I can snag this partial tub.  Buying a bed floor and wheel houses isn't really in the budget.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Stev Quote  Post ReplyReply Direct Link To This Post Posted: 04 June 2018 at 9:23pm
Bruce,

Is the dimple you mention the one on the passenger side where the side mount exhaust bracket mounts - that dimple is just forward of the hat channel that goes out to the tube step?  If were are talking about the same dimple - I have been told it went away after the 1951 production run according to the M38 crowd.  Perhaps we are not think of the same dimple.  Just wondering about what dimple you are referencing.

Stev
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Post Options Post Options   Thanks (0) Thanks(0)   Quote athawk11 Quote  Post ReplyReply Direct Link To This Post Posted: 04 June 2018 at 10:03pm
As Bruce mentions, the 3B wheel houses are shorter than the 2A wheel houses.  If you have the original 2A seat frames, you will run into some minor fitment issues.  You will either have to lengthen the seat frames to reach the wheel house, or you can build a different bracket/perch for the front of your new 3B wheel houses.  If you are tall, I recommend extending the seat frame tubes. 
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2- 1949 CJ3A
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 44bz Quote  Post ReplyReply Direct Link To This Post Posted: 04 June 2018 at 10:40pm
Originally posted by athawk11 athawk11 wrote:

As Bruce mentions, the 3B wheel houses are shorter than the 2A wheel houses.  If you have the original 2A seat frames, you will run into some minor fitment issues.  You will either have to lengthen the seat frames to reach the wheel house, or you can build a different bracket/perch for the front of your new 3B wheel houses.  If you are tall, I recommend extending the seat frame tubes. 
 
Oh ok, I didn't catch that.  I actually don't have any seat frames currently.  I'm 5'10" so not real tall, but I haven't been able to sit in a CJ2 yet to experience the fit.  If I put the 3b wheel houses in is it also an option to find 3b seat frames in addition to your fabrication suggestions?
46 CJ2a - Buick 225, T90/D18, Warn overdrive, Rancho 2.5", power steering, disc brakes, 33x10.50 BFG KM3s

1968 J2000 - AMC 327, T18, Dana 20

1971 CJ5 RenI - 225, T18, D20(2.46:1)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote athawk11 Quote  Post ReplyReply Direct Link To This Post Posted: 05 June 2018 at 12:24am
Yes, if you don't have 2A seat frames, consider purchasing 3A or 3B seat frames.  This solves your issue.  Your 2A steering column length will be shorter too, but this may also feel more comfortable.
1- 1946 CJ2A   
2- 1949 CJ3A
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 44bz Quote  Post ReplyReply Direct Link To This Post Posted: 05 June 2018 at 1:00am
Originally posted by athawk11 athawk11 wrote:

Yes, if you don't have 2A seat frames, consider purchasing 3A or 3B seat frames.  This solves your issue.  Your 2A steering column length will be shorter too, but this may also feel more comfortable.
 
Groovy!  Also good news with the steering in that somebody swapped in a tilt column from an unknown vehicle, which wasn't attached to anything so the steering is currently a clean slate and will likely consist of a Flaming River type column since I have nothing to work with in that regard.  I do have the original steering shaft, tube, and Ross gearbox that were laying in the back of the Jeep, but I don't plan to use those.
46 CJ2a - Buick 225, T90/D18, Warn overdrive, Rancho 2.5", power steering, disc brakes, 33x10.50 BFG KM3s

1968 J2000 - AMC 327, T18, Dana 20

1971 CJ5 RenI - 225, T18, D20(2.46:1)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bruce W Quote  Post ReplyReply Direct Link To This Post Posted: 05 June 2018 at 2:28am
Originally posted by Stev Stev wrote:

Bruce,

Is the dimple you mention the one on the passenger side where the side mount exhaust bracket mounts - that dimple is just forward of the hat channel that goes out to the tube step?  If were are talking about the same dimple - I have been told it went away after the 1951 production run according to the M38 crowd.  Perhaps we are not think of the same dimple.  Just wondering about what dimple you are referencing.

Stev

Yep, that's the dimple I had in mind. My '53 CJ3B has it. M38 has a very different floor than the CJ's, be they -2A, -3A, or -3B     BW


Edited by Bruce W - 05 June 2018 at 2:30am
It is NOT a Jeep Willys! It is a Willys jeep.

Happy Trails! Good-bye, Good Luck, and May the Good Lord Take a Likin' to You!

We Have Miles to Jeep, Before We Sleep.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote berettajeep Quote  Post ReplyReply Direct Link To This Post Posted: 05 June 2018 at 2:48pm
Originally posted by 44bz 44bz wrote:

I do have the original steering shaft, tube, and Ross gearbox that were laying in the back of the Jeep, but I don't plan to use those.


Any plans to sell/trade those and any upcoming trips planned to Astoria ?


Edited by berettajeep - 05 June 2018 at 9:24pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 44bz Quote  Post ReplyReply Direct Link To This Post Posted: 05 June 2018 at 4:23pm
Originally posted by berettajeep berettajeep wrote:

Originally posted by 44bz 44bz wrote:

[QUOTE=athawk11]I do have the original steering shaft, tube, and Ross gearbox that were laying in the back of the Jeep, but I don't plan to use those.


Any plans to sell/trade those and any upcoming trips planned to Astoria ?
 
PM sent
46 CJ2a - Buick 225, T90/D18, Warn overdrive, Rancho 2.5", power steering, disc brakes, 33x10.50 BFG KM3s

1968 J2000 - AMC 327, T18, Dana 20

1971 CJ5 RenI - 225, T18, D20(2.46:1)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote berettajeep Quote  Post ReplyReply Direct Link To This Post Posted: 05 June 2018 at 9:24pm
PM replied.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 44bz Quote  Post ReplyReply Direct Link To This Post Posted: 17 June 2018 at 3:51am
well it’s home

46 CJ2a - Buick 225, T90/D18, Warn overdrive, Rancho 2.5", power steering, disc brakes, 33x10.50 BFG KM3s

1968 J2000 - AMC 327, T18, Dana 20

1971 CJ5 RenI - 225, T18, D20(2.46:1)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 44bz Quote  Post ReplyReply Direct Link To This Post Posted: 21 June 2018 at 1:23am
can anyone confirm which tub this is from the photo?

46 CJ2a - Buick 225, T90/D18, Warn overdrive, Rancho 2.5", power steering, disc brakes, 33x10.50 BFG KM3s

1968 J2000 - AMC 327, T18, Dana 20

1971 CJ5 RenI - 225, T18, D20(2.46:1)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ol' Unreliable Quote  Post ReplyReply Direct Link To This Post Posted: 21 June 2018 at 3:23am
Measure the length of the rear wheelhouses, from the back of the body.  If they're 35-5/8", it's from a 2A.  If they're 32", it's a 3A or 3B.
There's a reason it's called Ol' Unreliable
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Joe DeYoung Quote  Post ReplyReply Direct Link To This Post Posted: 21 June 2018 at 4:31am
That tool box looks like 3A or 3B to me. 
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