Quote:
Originally Posted by Good_Music_n_Cars
hello everyone, i have a 71 cutlass and i want to put rear discs brakes on it. first i want to get a posi rear end, so i guess my question is this? what rear ends will fit on a 71 cutlass and what is the process of putting rear discs on the rear end. thank you much ! -Lee
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Any 68-72 GM A-body rear axle will bolt in, however there may be up to an inch difference in the driveshaft length, depending on the axle type. Chevy 12 bolt axles are the strongest, and priced accordingly. You can also now get custom housings to fit the A-body, including a Ford 9". The disc brake choice will depend on the axle you pick. It's possible to cobble parts together from an F-body and Toronado, but if you don't know what you're doing, you should stick to a kit. Note that you'll need to change the master cylinder as well.