9 bolt posi shimming

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03-01-2014, 07:57 AM

scoflaw

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Car: 1988 gta

Engine: 383

Transmission: 700r4

Axle/Gears: 9 bolt 3:23

9 bolt posi shimming

Looking for opinions on shimming. I shimmed to 0 preload last time and still have some 1 wheel peel on right hand corners. Anyone have any luck with loading the spiders?

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03-01-2014, 09:52 AM

big gear head

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Re: 9 bolt posi shimming

You have to be careful when doing that. It can cause the pinion gears to bust.

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