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Old 11-05-2007, 12:23 PM
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Questions?? Shimming 18R diffs

Hello,

Was is the recommend amount of shims to run when running a lot of power. I am gonna be running a lot of power and dont wanna be tearing up diff gears. Should the drivetrain be free spinning. MIne feels like it binds with 2 shims hmm.
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Old 11-05-2007, 12:37 PM
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shimming varies from car to car due to molded parts.. basically you want there to be no play between the input gear and the diff gear, but not tight to where it binds the drivetrain.
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Old 11-05-2007, 11:32 PM
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Don't they all come pre-shimmed now?
Mine did and its holding up pretty damn good!
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Old 11-06-2007, 08:41 AM
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you could need to run in the gears a bit so they seat nice.
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Old 11-06-2007, 08:44 AM
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oh cause I got the roller and it had a new front diff. Hmm thx I am running 2 shims in ea diff.
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Old 11-06-2007, 09:34 AM
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i have 3 shim in my 18b....
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Old 11-06-2007, 11:51 AM
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Originally Posted by Cain
you could need to run in the gears a bit so they seat nice.
i wouldnt put grease on the gears, the grease will attract dirt, which will wear out the gears faster. it realy just depends on the car, i used to have an 18t that had 1 shim in the front and none on the back, but seen others that have need more
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Old 11-07-2007, 08:44 AM
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ppl told me u need more shims if u run a brushless motor in em.
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