Sanity Check, D44 Full Floater |
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Anvil
Member Joined: 07 June 2017 Location: Colorado Status: Offline Points: 326 |
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Final update on this project.
First thanks to all who gave input and helped evolve this along the way.
I spoke about my lessons learned earlier, re: that if I were to do this again, I would do the Inner & outer Set47 bearings and change the snout thread to 1.75" x 16TPI as opposed to the 1.75" x 12TPI I used. I went with the 1.75 x 12TPI because that was the pitch of the Dexter spindle nuts I sourced. Those nuts, thrust washer, and lockwasher turned out to be unusable to me. I ended up making my own spindle nuts and thrust washer. For the lock washer I sourced part #WI-09 from Whittet-Higgens and they work perfectly (they come slightly pre-bent and you need to flatten them before using them in this application). Because of having to make your own spindle nuts and washer, the large snout design is a PITA and frankly, I don't think it's worth it when using high tensile material. If using this design (1.75" snout of 12 or 16 pitch), I think material selection is not terribly important and you could use any free machining steel if it saves you money. I think if you went with the 1.625 x 16TPI snout, you should stick with a higher tensile material. Another option is to use the dual Set47 setup with Toyota spindle threads of M42x1. OEM replacement and high performance upgrade parts are commonly available for this thread pitch if you can stand the idea of having metrique cork sniffer threads instead of freedom units on your flatty. The pro is the M42x1 gives you a greater OD and the minor diameter of the thread is about .050" greater than the 1.625" x 16 pitch and that also gives you a greater amount of material at the snout. Again, may not be worth it but it is a straightforward and easier design to complete. Another option is to use the 1.625 x 16 snout and eliminate the keyway altogether. There are a variety of spindle/bearing shaft nuts on the market that have evolved past the use of tabbed washers & keyways. One last item, the Set47 inner bearing race has a face diameter of 2.340" where the thrust washer contacts it. The standard Jeep Set45 thrust washer has an OD of 2.180". I've done no research to see if a larger diameter thrust washer exists for that application. I do think it is important to have the thrust washer contact the entire face of the ID bearing race. |
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chasendeer
Member Joined: 24 Feb. 2012 Location: Napa,CA Status: Offline Points: 1088 |
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Has anyone ordered shafts yet? I’m struggling with my brake choice, I ordered a couple rotors this week and unhappy with them
Jay
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Rick G
Member Joined: 17 May 2015 Location: Amarillo, TX Status: Online Points: 1468 |
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Haven’t ordered them yet. Hope to in the next couple of weeks.
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Gaffer
Member Joined: 06 Nov. 2015 Location: Alabama Status: Offline Points: 174 |
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Been watching this as it is very interesting. Just some food for thought. I know you have done the hard work already and this is a little late but.....
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-Gaffer
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duffer
Member Joined: 02 Feb. 2012 Location: Bozeman, MT Status: Offline Points: 1089 |
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No doubt that is stronger than Herm's version but it is still using 27 spline drive flanges. What most of us involved in this want to avoid.
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1955 3B: 441sbc,AGE 4 speed transmission, Teralow D18w/Warn OD, 4.11:1 D44's/ARB's, glass tub & fenders, aluminum hood/grill, 8274, York OBA, Premier Power Welder; 67 CJ5: 225,T86AA, D18, 4.88's, OD
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Metcalf
Member Sponsor Member Joined: 21 May 2009 Location: Durango, Co Status: Offline Points: 736 |
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The Roxor rear axle is also about 3.x" wider than the early jeep axle. |
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42 MB that had a one night stand with a much younger 69 CJ5 and a 50s GM truck.
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Anvil
Member Joined: 07 June 2017 Location: Colorado Status: Offline Points: 326 |
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I ordered and then canceled mine. I'm making a new set of spindles a full inch wider on each side and use the Toyota spindle nut dimensions. It's one of those easier and cheaper to do it now than later deals.
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Gaffer
Member Joined: 06 Nov. 2015 Location: Alabama Status: Offline Points: 174 |
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[/QUOTE]
No doubt that is stronger than Herm's version but it is still using 27 spline drive flanges. What most of us involved in this want to avoid. [/QUOTE]True for the minor diameter of the spline but there may now be spindles ready for passing a 30 spline Dana 44 shaft.
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-Gaffer
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chasendeer
Member Joined: 24 Feb. 2012 Location: Napa,CA Status: Offline Points: 1088 |
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No doubt that is stronger than Herm's version but it is still using 27 spline drive flanges. What most of us involved in this want to avoid. [/QUOTE]True for the minor diameter of the spline but there may now be spindles ready for passing a 30 spline Dana 44 shaft. [/QUOTE]
Like herms kit the axel has to go in before the spindle, so I would guess off the shelf Yukon spindles. Here is the install guide for it. Jay |
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Metcalf
Member Sponsor Member Joined: 21 May 2009 Location: Durango, Co Status: Offline Points: 736 |
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The Roxor full-float kit uses the same Yukon early Jeep spindle as Herms kit. Still limited to a 27 spline outer connection. Personally, I don't think that is much stronger ( if at all ) than the stock 19 spline 2pc axle. Being able to use a 30 spline carrier is nice for a larger locker selection though. |
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42 MB that had a one night stand with a much younger 69 CJ5 and a 50s GM truck.
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chasendeer
Member Joined: 24 Feb. 2012 Location: Napa,CA Status: Offline Points: 1088 |
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Just got off the phone with moser. They say they can't make the 6 by 3.4375 end.
Jay |
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duffer
Member Joined: 02 Feb. 2012 Location: Bozeman, MT Status: Offline Points: 1089 |
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That seems a little off. You would think those are all done CNC and they could do any pattern you want. I guess Dutchman is it.
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1955 3B: 441sbc,AGE 4 speed transmission, Teralow D18w/Warn OD, 4.11:1 D44's/ARB's, glass tub & fenders, aluminum hood/grill, 8274, York OBA, Premier Power Welder; 67 CJ5: 225,T86AA, D18, 4.88's, OD
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Rick G
Member Joined: 17 May 2015 Location: Amarillo, TX Status: Online Points: 1468 |
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That’s odd because they made a set for me just 2 months ago (August 2020). There is a slight issue with the back side of the flange, however. The backside is dished (slightly concave) to allow for spindle clearance on the larger axles assemblies. This is a generic casting that they spline, shorten, and flange per your needs. When they cut it down to the 3.435” and drilled the bolt holes they were slightly inside this recessed area. This can cause lubricant to leak out if not addressed. Mine have been on for 2 months now and one side is showing a little leaking of lubricant, while the other side is just fine. Oh, and you will have to specify where you want the shaft to be polished for your axle tube seal (or polish it yourself with emery/crockus cloth like I did). I still feel this is our best option for flanged D44 axles at this time. Here’s a couple of pics of mine. |
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chasendeer
Member Joined: 24 Feb. 2012 Location: Napa,CA Status: Offline Points: 1088 |
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Thanks to Rick for the help, I should have a set of axles next week.
Jay
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duffer
Member Joined: 02 Feb. 2012 Location: Bozeman, MT Status: Offline Points: 1089 |
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What seal are you using? I didn't find much of a 1.285" shaft size selection.
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1955 3B: 441sbc,AGE 4 speed transmission, Teralow D18w/Warn OD, 4.11:1 D44's/ARB's, glass tub & fenders, aluminum hood/grill, 8274, York OBA, Premier Power Welder; 67 CJ5: 225,T86AA, D18, 4.88's, OD
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Rick G
Member Joined: 17 May 2015 Location: Amarillo, TX Status: Online Points: 1468 |
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If you look closely at the axles they have a step 10” from the flange end. This part of the axle is 1.248” in diameter, so the regular axle seal works fine.
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Metcalf
Member Sponsor Member Joined: 21 May 2009 Location: Durango, Co Status: Offline Points: 736 |
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A note on the axle seal. I initially tried to run the full floater with oil bath bearings with no success. Once everything was warmed up, the gear lube leaked past the stock spindle seal and would weep out at the axle flange. I ended up adding one of the universal 'Seals-it' type seals to my spindle adapter spacer. It rides directly on the turned shaft. It hasn't leaked in going on 8 years now. |
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42 MB that had a one night stand with a much younger 69 CJ5 and a 50s GM truck.
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chasendeer
Member Joined: 24 Feb. 2012 Location: Napa,CA Status: Offline Points: 1088 |
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Brown Santa brought my shaft a day early today!! They look great and seem to fit properly.
Jay
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