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05-22-2023, 03:39 PM | #1 |
Junior Member
Join Date: Jul 2016
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12 bolt pinion shim
To all, anyone have a good guess at a pinion shim for an oem 3.31 gear in a 12 bolt? There’s nothing scribed on the head of the pinion or ring gear. I could be wrong, but I feel like there had to be a quick reference when gm was setting up hundreds of rear ends a year back in the day. Any help is much appreciated. (NOTE: I did find documentation that said 12 bolts got a .030 shim).
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