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Old 04-08-2002, 09:17 PM   #1
big.l.a
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Red face Possi Rear end Question

I am want to up grade my rear-end to possi
It currntly has a 3:07 in (71 C10 350)
I was looking @ some one ebay. What gears and spline should I be looking for. I am using this truck as a daily driver.
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Old 04-09-2002, 02:35 AM   #2
Fast68Chevy
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look for 8.875 truck posi units, all 12 bolt truck are same spline

car 12 bolt are also 8.875 but wont work in truck 12 bolt, so be careful,,,

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Old 04-09-2002, 08:19 AM   #3
69 longhorn
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Also,3.07-3.42 are on a 3 series carrier,& 3.73 & lower are on a 4 series carrier........69 longhorn
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