another trutrac fail
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From: Fredericksburg, VA
another trutrac fail finally got around to tearing the diff apart and this is what i found. m6 car making 500, launching at 6500. had 4.11's in it, now i have a spool and 4.56's. seems much better but havent got to the track yet as i am waiting on front shocks and springs to get here.
That sucks! Might be bad news for me as well. I recently broke my 12 bolt and they are replacing my auburn w/ a truetrac. the grears (4.11s) seem to be fine. My car probably makes 550 rwhp but I don't launch as hard you.
we have installed a few of these in car over 500 to the tires and never a had failure (knock on wood) we are suspecting that there are some small contaminents getting into the gears causing them to self destruct. just a thought.
From what I've seen thus far it's mainly the 6sp cars that's breaking them due to the hard hit of the manual. It seems that the auto is a little less stressful on the TT. If you search you will find many posts very similar. Unfortunately I searched a little too late, hence why I have a spool today. I can't complain though because the Sponsor I bought mine from made it good but I would not recommend a TT to anyone. As far as contaminents causing the failures, I'm sure it's possible but after mine was torn apart this theory was not mentioned by the company that built the rearend.
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<3 my spool
TT is good for a jeep or somthing you climb rocks at 10mph. Not drag racing, 6500 clutch dumps.
what rearend do you have? what gears with the TT, how is the new setup?
TT is good for a jeep or somthing you climb rocks at 10mph. Not drag racing, 6500 clutch dumps.
what rearend do you have? what gears with the TT, how is the new setup?
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Thread Starter
9 Second Club
iTrader: (46)
Joined: May 2006
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From: Fredericksburg, VA
That tru-crap diff is the worst thing to ever come out. Makes a 12 bolt/S60/9 inch worse then a 10 bolt is in the reliability department.
I've seen 350 rwhp cars kick those things out with a stick... just like a 10 bolt.
tru-crap= fail.
I've seen 350 rwhp cars kick those things out with a stick... just like a 10 bolt.
tru-crap= fail.
I saw too many failures when I was at Exotic Performance Plus, so I took all the Truetrac's off the website. The failures started happening after Eaton took over the Truetrac, the Truetrac use to be a very dependable unit for under 600 rwhp. Bob
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ATI ProCharger and Moser Sales 260 672-2076
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E-mail: brutespeed@gmail.comob@brutespeed.com
https://brutespeed.com/ Link to website
ATI ProCharger and Moser Sales 260 672-2076
PM's disabled, please e-mail me
E-mail: brutespeed@gmail.comob@brutespeed.com
https://brutespeed.com/ Link to website
It was the design.
Not even good for a jeep, friend broke his rear Trutrac in his 8.5" lifted cherokee, It was an A4 too but did have 4.11s and a 4.6L with 300tq, maybe 4000lbs. Now he has air lockers.
