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Pinion shims

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Old Apr 3, 2006 | 10:14 AM
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Default Pinion shims

generally speaking, how thick of a shim[s] do you guys use on the pinion gear? or how thick do you guys generally start off with?

this is of course for the 7.5" 10 bolt.
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Old Apr 3, 2006 | 10:30 AM
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Start by using the shim that came out of the rear originally.
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Old Apr 3, 2006 | 10:52 AM
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thats the problem. i'm helping a buid re build his. and his pinion gear didn't have any! the bearing was spaced out!

turns out the car had 3.73s. thats explains why his speedo was all off.
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Old Apr 3, 2006 | 11:44 AM
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try a .023" then just for starters
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Old Apr 3, 2006 | 12:13 PM
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What ratio, gear manufacture, new or used bearings? I need more information to help with a pinion shim selection.
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Old Apr 3, 2006 | 12:32 PM
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Well we're putting in a used set of stock 3.23s with used bearings since they are fine. and the races have no scratches or anything.
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