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-   -   Rear Diff's...... (http://www.njfboa.org/forums/showthread.php?t=22835)

Batman 01-13-2007 03:32 PM

Rear Diff's......
 
Think mine is ailing, what do you guys think if I have to replace it, Detroit True-trac or Auburn pro-series (going in a moser 12 bolt)

qwikz28 01-13-2007 04:08 PM

i heard excellent things about the true-trac.... no personal experience though. i would run the true trac personally if i had a 12 bolt :)

WildBillyT 01-13-2007 05:31 PM

Why not an Eaton?

I would definetly skip the Auburn.

hardline_42 01-13-2007 09:23 PM

I was into getting a true-trac for a while, but I opted for an Eaton in my twelve bolt. The Eaton works just fine excet that you have to replace the clutches. The true-trac is maintenance free since it is worm gear driven and has no consumable parts. Both units do exactly the same thing though.

Batman 01-14-2007 09:06 AM

Because I have an Eaton now and it will have to be rebuilt. And I am not particularly happy with it's durability or performance, but that is an option also. Also the Eaton and the true trac work in opposite ways. The True-trac stays locked until it needs to release a wheel in the turn, where the Eaton is a standard limited slip Diff.

heavy_chevy29 01-14-2007 09:56 AM

i have a true tac in my 9". im more than happy with it. i heard that they can withstand alot of abuse

WildBillyT 01-14-2007 09:57 AM

Quote:

Originally Posted by Batman (Post 304136)
Because I have an Eaton now and it will have to be rebuilt. And I am not particularly happy with it's durability or performance, but that is an option also. Also the Eaton and the true trac work in opposite ways. The True-trac stays locked until it needs to release a wheel in the turn, where the Eaton is a standard limited slip Diff.

Well, if you decide to dump the eaton and it's a 33 spline 4 series unit let me know :mrgreen:

NJSPEEDER 01-14-2007 02:35 PM

Eaton is definately a good choice, go auburn pro-series if you wanna save a few bucks.

JSPERFORMANCE 01-14-2007 07:09 PM

Auburn= junk
Eaton= Better
Tru Trac= best for the street in a 12 bolt.

NJSPEEDER 01-14-2007 07:40 PM

i have always had good luck with auburn diffs. they handle side loading and handling applications better than most and they easy to freshen/rebuil when the friction materials get worn.

JSPERFORMANCE 01-15-2007 07:39 AM

If you make any type of serious power the Auburns grenade I have a box of schrapnel of you want to see it..

hardline_42 01-15-2007 11:17 AM

Quote:

Originally Posted by Batman (Post 304136)
Also the Eaton and the true trac work in opposite ways. The True-trac stays locked until it needs to release a wheel in the turn, where the Eaton is a standard limited slip Diff.

What I meant was that both are limited slip units that transmit equal power to the drive wheels 8-)


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