8.5

Will a 8.5 bolt in to replace a 7.5 rear end im trying to plan out my next move. Also if so what car can I pull a 8.5 rear end out off? I’m trying to be able to do some burnouts here and there and maybe a few donuts once a year haha anyways thanks in advance I’m going to be askin a bunch of...

Alright guys, finally at the stage where I'm contemplating on how to rebuild the rearend in the Cutlass. I have one of the desired 8.5" from a 442 that currently has stock axles, a Richmond powertrax posi and the stock 3:73's. The posi makes some odd noises at low speeds due to a bent axle issue...

Hello, I was wondering if anyone out there has used one of these trick flow covers (tfs-8510300) I was doing some research and I was wondering why they say it won't fit Buick or olds 8.5" rears. They say something about metric mounting hardware, but I was wondering if the 10 bolt cover holes...