Originally Posted by Tuch65
I have a 1965 mustang 200ci 6 cylinder and I am going to upgrade the rear axle and the whole car to five lug. First question is should I use an 8 inch or a 9 inch rear axle. Second question is if I change the rear axle do I need to change the driveshaft. Thanks
This car may later be upgraded to a 289 but the plans for now are to keep the 200ci 6. Thanks
Just use an 8.8 out of a newer Fox Body Mustang along with some 5 bolt axles.
Yes, you will probably need to change the driveshaft.