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Old 10-06-2016, 06:45 PM   #1
cc-rider

 
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How well would a stock diff with Eaton Trutrac hold up?

I'm at about 600 hp to the wheels now. Still stock diff. M6 tranny. Ticking time bomb. I know the ZL1 diff option. Looking into that too. But I'm curious as to how well the stock diff might hold up with an Eaton Trutrac in there and maybe a LPW cover? I've heard it's the traction control that always fails in the full stock diff. Does the Trutrac allow it to take some more abuse?
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Old 10-06-2016, 06:59 PM   #2
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I've heard that this is a good combo but I'm in for the opinions...
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Old 10-06-2016, 07:25 PM   #3
hammdo
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This is the way I'm going. I raced at NCM over the weekend and popped the axle out twice. Stock diff bushings are not holding up and the posi unit is not working well on the track.

Eaton, new HE offset bushings, and the LPW cover are where I'm headed. Parts are on order as well as upgrades needed.

Learned a lot from the trip...

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Last edited by hammdo; 10-28-2016 at 09:58 PM.
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Old 10-10-2016, 03:24 PM   #4
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I have the true Trac on 3.45's 600whp, th400. My buddy has the true Trac on 3.23's I believe, 700+whp m6
Both are holding up, how long? Only time will tell
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Old 10-11-2016, 12:38 AM   #5
LS7 427
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I have 780 rwhp a TH400 and 17" Hossier slicks with stock diff, 3:45 gears and Eaton Trutrac. The diff will handle exactly 286 1/4 mile passes before the trutrac shits itself. Ask me how I know...lol.
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Old 10-11-2016, 08:54 AM   #6
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Quote:
Originally Posted by LS7 427 View Post
I have 780 rwhp a TH400 and 17" Hossier slicks with stock diff, 3:45 gears and Eaton Trutrac. The diff will handle exactly 286 1/4 mile passes before the trutrac shits itself. Ask me how I know...lol.
Damn, that's quite a bit of abuse before it shit itself. Not bad.
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Old 10-11-2016, 11:26 AM   #7
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800+rwhp M6, slicks, 3:90 gear set, billet bearing caps, LPW diff cover and Eaton Trutrac, holding so far, but I'm nowhere near LS7 427 286 passes!
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Old 07-11-2017, 12:27 PM   #8
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Quote:
Originally Posted by LS7 427 View Post
The diff will handle exactly 286 1/4 mile passes before the trutrac shits itself

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