Truck Forums - posi rearend

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josh29j

05-14-2011 11:10 AM

posi rearend

i have a 89 chevy truck with a 10 bolt 8.5 rearend. and i want to make it posi. I read somewhere that 71-81 firebirds had a 10bolt 8.5 posi rearend. will the guts of that rearend be interchangeable with my rearend? Thanks

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