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Old 02-22-2008, 07:13 AM   #1
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Buying a rear

Alright Ladies and Jeep Chicks,
My tax refund came in so I am buying a rear. I need a new carrier and spider gears and the clutches in my trac-loc are shot. So Any opinions on auborn for about 250 or tru-trac for 450. I belive they come with the carrier. Also any special tools needed to take the axles out. I am reusing the ring and pinion so I will not need to reset the backlash. Please help quick I want to order this today and get my jeep on the road asap.

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Old 02-22-2008, 09:58 AM   #2
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You do need to set the backlash whenever you replace the carrier. There's a big difference between an Auburn locker and Truetrac limited slip differential, what kind of wheeling do you do? And what rear axle do you have, Dana 35c or Dana 44?

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Old 02-22-2008, 11:59 AM   #3
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Hey Jerry,
Thanks for responding. I should have given more details. I have the dana 44 rear with the trac-loc, but someone before me must have not taken care of it because the clutches were completelly shattered and tearing up my diff. Hence I need a new carrier and spiders. The ring and pinion are in good shape luckilly. I wheel mostly mud some rock crawling, but also snow when it does around here in pa. Both the auburn and the true trac i was looking at were limited slip. I wouldnt mind a automatic locker except for the possibility ofsnow around here i heard they werent to good on the snow on the road.
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Old 02-22-2008, 12:09 PM   #4
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Between the Auburn and Truetrac LSDs, I'd definitely go for the Truetrac. The benefit to the Truetrac is that it is especially well suited for snow and ice conditions since it is a gear-based LSD which does not have the tendency to cause slippage on ice that a clutch-based LSD can. The Truetrac drives totally like an open axle until enough RPM difference develops between the L-R sides which then causes it to go into action. Wheras a clutch-based LSD couples the L-R sides together up to a point where they overcome the clutch so the differential can "differentiate" and allow the tires to rotate at different RPMs which is required when turning corners.

But again, you will need to have the backlash adjusted for any full-carrier device like the Truetrac.
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Old 02-22-2008, 01:18 PM   #5
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Thanks for explaining that for me. I have always wondered that the differance in types of lsd's. I think it is better for me to have a shop rebuild it for me, but I do have one more question. I belive you said you had a detroit locker in your jeep. Do you like it? I was thinking I would love one, but I was worried about snow. I reread the posts and most say it is not difficult in the snow just differant. This is also not my daily driver, but more weekend warrrior.
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Old 02-22-2008, 01:23 PM   #6
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I LOVE my Detroit Locker but if you're not careful on a snow or ice covered road, it could be a real handful as it will cause understeer or even a spinout if you're not careful. But there are regular comments by owners of Detroit Lockers that drive in such conditions without problem, but they do note they are careful to watch how they drive. My Detroit Locker hasn't been on either in years so I do love it but I'd go for a LSD if I had to spend a lot of time on ice or snow covered roads.
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Old 02-22-2008, 01:30 PM   #7
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I think we got maybe 3 inches so far, but I will be moving to buffalo or michigan where it is deep snow.

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