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| Dana 44 Spline Count,locker | |
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| Tweet Topic Started: Aug 25 2009, 10:58 PM (1,391 Views) | |
| RamblinCJ3B | Aug 25 2009, 10:58 PM Post #1 |
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Would the Dana 44 in the rear of my 62 have 10 spline axles? And how hard would it be to come by an old 10 spline Detroit locker??? |
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Eddie Clovis,Ca 1956 Willys PU 1962 USN CJ3B Stock 1971 Hurst Jeepster 350 1972 Commando 4.0 HO 1972 Commando I6 258 1975 J20 401 | |
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| jeeper50 | Aug 26 2009, 08:03 AM Post #2 |
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ol' skool jeeper jeff
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Put a 10 spline Lockright in it. Cheaper, easier to install, more traction, one drawback is road manners on icy roads. This chart from Richmond gears shows 10 spline axles in the 62; http://www.richmondgear.com/powertrax/jeep1lr.pdf Here's one on Amazon; http://www.amazon.com/Richmond-Gear-10-Spl...51293884&sr=8-1 |
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In the land of the blind... the one eyed man is king Texan at heart, Georgian by paycheck '53 CJ3B, F134, 12v alternator, lockrights, Hot-Spark electronic module,11"self energizing brakes, Belleview winch, Beachwood summertop, OD color, built to honor all Veterans of this great country Kayaks- Hobie Revo 13, Hobie Outback 12' both ready for the salt... | |
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| oldtime | Aug 26 2009, 09:14 AM Post #3 |
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CJ's went from 10 spline rear axles and side gears to the 19 spline components very late in the 1956 model year. 1957 through mid 1970 CJ's were factory equipped with the 19 spline versions. CJ's started using 30 spline rear axles ( AKA flanged axles) as early as late 1969 in some cases. ( Renegades and other special HD versions ) The 1956 changeover to 19 splines roughly coincides with the development of the Thornton Powr Lok limited slip differential. For those wanting extra traction I recommend the Dana Spicer Powr Lok limited slip differential. The Powr Lok unit can be installed into any 19 spline model 44 rear carrier. Ten spline Powr Lok cases are also available for the model 25 or 27 front axles. Spicer Trac Lok limited slip was available for use with Jeep flanged, 30 spline rear axles. The original Thornton Powr Lok case design is superior to the subsequent Trac Lok case. As you know the Detroit Locker is just that, a "locker" as opposed to a "limited slip" system. The Detroit Locker is one of the earliest and perhaps the best of the lockers. These are only available for Spicer model 44 having 19 or 30 spline count. Detroit Automotive also built a gear driven limited slip named True Trac. True Trac can be used with model 44's having either 10, 19 or 30 spline count. |
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Currently building my final F-134 powered 3B . Rock Crawler using factory parts from the Willys Motors era (1953-1963) http://s4.zetaboards.com/CJ3B_Bulletin_Board/topic/30228766/1/#new | |
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| Brian's 58 3b | Aug 26 2009, 09:51 PM Post #4 |
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Remember the Lockright and the Detroit locker will lock both wheels up 100% of the time with the only exception, when in a turn on a hard surface. The Power Lok, Trac Lok and True Trac are limited slip. I not a big fan of limited slip the only one I’ve had that works well is in my F250. (I think it is because of the weight of the truck) Dollar for Dollar Locker ~vs~ limited slip about the same to install. However, the weak link is: Axles, a locker in a keyed flanged axle is not the best thing to do. This is what I plan to do For the best driving go to an Air Locker or an Auburn Electric locker these will give you "Locker" traction with a flip of a switch. Yet, will leave your jeep a daily driver. Problem is "to fit these lockers tho the axles you need a 30 spline Dana 44". Humm 30 spline off set Dana 44 hard to come by and $$$$. No problem, Moser Engineering can cut down and roll spines on axle for $110.00 a set I bought a flanged 74 Dana 44 for the backing plates and drums and kept the axles. If you find a Dana 44 axle long enough for this it needs to have a shaft diameter of 1.285?? Check with them http://www.moserengineering.com/Pages/Shop...opservices.html |
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| RamblinCJ3B | Aug 26 2009, 10:44 PM Post #5 |
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Thanks for all the info.I guess I need to see exactly what spline count I have. My choice would be a Detroit or a True Trac.I would not have a Trac lock,as they were never worth a hoot (I am being polite).Power locks are ok,but still have a clutch pack.Always loved the chirps from a Detroit going around a turn. Will the later 19 spline axles fit in my axles if I have 10 spline??? I am itching to get started on the 3B.I have had lots of plans for it but have pretty much decided to keep her 99% original.With just a few minor exceptions,11"brakes,maybe Saginaw steering and some engine upgrades to the F-head.But I still want a locker in the rear......just incase I decide to play.
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Eddie Clovis,Ca 1956 Willys PU 1962 USN CJ3B Stock 1971 Hurst Jeepster 350 1972 Commando 4.0 HO 1972 Commando I6 258 1975 J20 401 | |
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| oldtime | Aug 26 2009, 11:20 PM Post #6 |
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Brian, I called the True Trac a locking differential, but I corrected my bad after reading your post. Keep us informed about your locker choice. Trust me Eddie, you have 19 spline shafts in it. And if for some weird reason you don't; the 10 and 19 spline shafts are fully interchangeable with the appropriate side gears. I recommend the Powr Lok partly because it will not over stress the keyed axle shafts. Also the road manners are very good at the rear and even decent up front. Besides it's the Official Jeep / Spicer option. |
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Currently building my final F-134 powered 3B . Rock Crawler using factory parts from the Willys Motors era (1953-1963) http://s4.zetaboards.com/CJ3B_Bulletin_Board/topic/30228766/1/#new | |
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| jeeper50 | Aug 27 2009, 07:35 AM Post #7 |
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ol' skool jeeper jeff
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Just to add fuel to the fire, I've had lockrights for the last 6 yrs in my tapered, keyed D44 axle turning 31x1050 tires and have not had any problems. I have an F head, and granted if you repower to more HP you might have some issues with the keyed hubs. I use my jeep on lots of trail rides and wheelin the lockers give you more traction when your in a bind, and help you stay out of the "skinny" pedal to prevent the sudden loading and unloading of axles that helps them break. Just my $.02 |
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In the land of the blind... the one eyed man is king Texan at heart, Georgian by paycheck '53 CJ3B, F134, 12v alternator, lockrights, Hot-Spark electronic module,11"self energizing brakes, Belleview winch, Beachwood summertop, OD color, built to honor all Veterans of this great country Kayaks- Hobie Revo 13, Hobie Outback 12' both ready for the salt... | |
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| Brian's 58 3b | Aug 27 2009, 02:02 PM Post #8 |
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Your right, A lot of jeepers have had know problems with a keyed axle. My point of going to a 30 spline flanged axle is to update to the best. Its not the axle it’s the locker. I believe going to an air locker or an electric locker would help eliminate the deadly side hill locked up slide. Handling in the snow would improve immensely by a push button. To put in a push button locker you need a 30 spline axle they only come in flanged. Oldtime, I said the Auburn Electric locker is a locker "I'm finding" there is some debate on that. Eaton, Does make a true electric locker |
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| BlueComet | Aug 28 2009, 03:53 PM Post #9 |
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You might also check out Herm the Overdrive Guy www.hermtheoverdriveguy.com. He has been very helpful to me with my '62 CJ-5 (it has the same rear axle you do). He manufactures and sells 30 spline full floating rear axle kits, which would then allow you to use an ARB air locker. You can use either a drive flange, or lockout hubs with the kit, as I understand it. I recently bought the air locker, but have to save my pennies for the axle kit before I can install it. The above route is the one I'm planning to take; I think this is a good way to go, but it is expensive. |
| 1962 Jeep CJ-5, Warn OD, Spicer rear PTO, D25 front axle, D44 rear axle, Dana 18 transfer case, T98 Transmission, L134 motor | |
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| RamblinCJ3B | Aug 29 2009, 12:12 AM Post #10 |
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I will check out what Herm has.I really do not need 30 spline axles as this Jeep will NEVER see any hard core off road use.I have my Rubicon proven 72 Commando for that and my 73 that will make my 72 look like a toy in comparison.The 3B will be just a fun toy to play around in.So I may as well leave it as original as possible. I have never cared for air lockers.I have seen people have issues with them,broken lines,leaky seals and seals that shrink in freezing conditions and leak. If it comes down to it,I will just use a Lock right.I have one in the front of my 72 and it works fine.But I would rather find a good used Detroit or Tru Track. IMHO nothing beats a Detroit locker!!! |
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Eddie Clovis,Ca 1956 Willys PU 1962 USN CJ3B Stock 1971 Hurst Jeepster 350 1972 Commando 4.0 HO 1972 Commando I6 258 1975 J20 401 | |
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| Brian's 58 3b | Sep 10 2009, 09:18 PM Post #11 |
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This post got me looking om Craigslist for a 30 spline axle and I found this add: http://detroit.craigslist.org/mcb/cto/1350171618.html I email him asking if he still had the old axle and he did it was still in the jeep. We struck a deal of $100.00 and I would help him put in the other axle in. We had great fun working together and brought home a 30 spline off set axle.
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| RamblinCJ3B | Sep 10 2009, 11:38 PM Post #12 |
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I think I may have scored!!! I picked up a 66 Jeepster Commando half cab the other day.Mainly for the cab.I pulled the rear cover and it has a Detroit locker.The rear is a 44,but not the original axle.I am hoping it is 19 spline.If it turns out to be 30,I may just look into Herm's kit. |
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Eddie Clovis,Ca 1956 Willys PU 1962 USN CJ3B Stock 1971 Hurst Jeepster 350 1972 Commando 4.0 HO 1972 Commando I6 258 1975 J20 401 | |
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| jyotin | Sep 11 2009, 09:52 AM Post #13 |
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If one is lucky enough to have a flanged dana 44 he can put in an ARB air locker -- There is also another (cheaper?) locker that has a cable to engage it and disconnect it although I forget the brand name. I have used several types of lockers and I prefer lockers that one controls externally rather ones that simply "kick in". Sorta like the difference between an automatic transmission and a manual one. I (my opinion here again) do not like limited slip differentials for the same reason -- they kick in sometimes at the worst possible time. If I cannot have control over the locking, then I prefer not to have it at all. A good set of R-1 tires can substitute for a limited slip any day. j |
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It's just my luck that something good is going to happen to me today. 54 - 3B - down on the farm 67 - cj6 - former state of Alabama vehicle ?? - cj5 T98a - made from spare parts - Ford tractor blue ?? - cj5 T98a - made from spare parts - Jeep green | |
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| RamblinCJ3B | Sep 11 2009, 07:24 PM Post #14 |
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The cable locker is called an OX locker.Very good lockers,easy to use and very reliable.Cost is about the same as air,maybe slightly more.I may just buy one in the future for my Commando's front axle.If I win the lotto!!! :rolleyes: |
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Eddie Clovis,Ca 1956 Willys PU 1962 USN CJ3B Stock 1971 Hurst Jeepster 350 1972 Commando 4.0 HO 1972 Commando I6 258 1975 J20 401 | |
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