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Transmissions and Drivetrain Need help with your trans? Problems with your axle?

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Old 09-17-2009, 10:54 AM   #1
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moser torque arm bracket failure

i called moser to see if they had any failures and whatnot. i was told im abusing my car? thought thats what it was for.
high hp, heavy car, and a shitty weld.
good thing i broke my center section, or i would have had more trouble in the next few passes.



you can see its shiny, no rust after a week of being off the car.
driveshaft yoke also took a hit.
i havent had the driveshaft out in 30 passes. the splines are twisted so bad i had to beat it out of the tranny with a hammer.
it will not full seat into the transmission anymore.
need to sell the car and build something light.
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Old 09-17-2009, 01:12 PM   #2
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Re: moser torque arm bracket failure

Looks like a cold weld, or it wasn't tied into both pieces well.
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Old 09-17-2009, 01:43 PM   #3
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Re: moser torque arm bracket failure

looks like a bad weld to me. your puttin sumthing like that on a nine inch or 12bolt you have to know people are using slicks with manual trans. or a trans brake, so how do they justify calling it abuse
hope mine doesnt do that
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Old 09-17-2009, 07:19 PM   #4
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Re: moser torque arm bracket failure

is that an old bracket? mine is cast/forged
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Old 09-17-2009, 07:23 PM   #5
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Re: moser torque arm bracket failure

mine doesnt look like that either bought mine awhile ago couple years atleast
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Old 09-17-2009, 10:27 PM   #6
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Re: moser torque arm bracket failure

they have changed the bracket over the last couple of years to a once piece cast unit.
i was told for faster production.
i dont know how i feel about a cast iron piece. seems it would just crack in the middle.
anyone have pics of the new bracket?
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1988 IROC-z/28. 4th gen interior. 408 LSx
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too many mods to type.
6.37@107.19 pump gas. all motor.
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Old 09-18-2009, 07:43 PM   #7
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Re: moser torque arm bracket failure

Quote:
Originally Posted by stage20 View Post
they have changed the bracket over the last couple of years to a once piece cast unit.
i was told for faster production.
i dont know how i feel about a cast iron piece. seems it would just crack in the middle.
anyone have pics of the new bracket?
dont have a pic, but its a very heavy thick piece, i think the torqre arm would break before the cast piece does.
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Old 09-18-2009, 07:56 PM   #8
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Re: moser torque arm bracket failure

Quote:
Originally Posted by //<86TA>\\ View Post
dont have a pic, but its a very heavy thick piece, i think the torqre arm would break before the cast piece does.
looks similar to the older version.
found that this has been in production since late 2006
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Old 09-18-2009, 08:16 PM   #9
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Re: moser torque arm bracket failure

yup thats it
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Old 09-21-2009, 12:29 PM   #10
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Re: moser torque arm bracket failure

We made the one that was welded until about 8 years ago. Which is when we went to the cast piece. To my knowledge we have not had a cast one break. So this broken one here is at least 8 years old. Stage 20, Call and talk to Rocky and I will have him help you with the new cast one.
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Old 09-21-2009, 07:20 PM   #11
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Re: moser torque arm bracket failure

Quote:
Originally Posted by firebirdriver89 View Post
We made the one that was welded until about 8 years ago. Which is when we went to the cast piece. To my knowledge we have not had a cast one break. So this broken one here is at least 8 years old. Stage 20, Call and talk to Rocky and I will have him help you with the new cast one.
i heated it up and its its been rewelded around the ENITRE bracket.
originally it was only welded on one side of the bracket.
the rear was purchased nov 99
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Old 09-22-2009, 10:32 AM   #12
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Re: moser torque arm bracket failure

OK, I am glad to hear that it is taken care of.

When we first started making these brackets we were mostly selling to 3rd gen cars w/o the LT1 or LS1 swaps. The design was sufficient for what was out there. Still, I think there has only been just a few problems with this welded design. When we started selling a lot of rearends to the 4th gen crowd with 6 speeds, we needed something to handle that torque. It made sense then to do the cast one because of both production time to weld one together and strength.
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Old 09-23-2009, 05:20 PM   #13
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Re: moser torque arm bracket failure

The weld has no penetration. If it did then there wouldnt have been a failure
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