Quote:
Originally Posted by Mark Yacavone
Not correct.
The Impala SS may have all come with the 8.5.
Pinion bearings and flange are different, for one thing.
8.5 and 12 bolt take different side shims.
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The 91-96 B-boys are the Caprices, Impalas, Roadmaster and Caddy’s.
All were 10 bolt 8.5 rear
Camaro/FB all came with smaller 7.2 rear.
They can surprisingly survive with a good bit of power too..!
About a $1k less to beef up a 10 bolt than installing a prepared 12 bolt unit.
They make them to fit our B-body.
Interesting being the same suspension configurations as the early Chevelles, GTO, Cutlass, GTX.
D