SLWRDE

Who here has fit a 275 wide tire in the back of their '64 and '65 Cutlass?

What rear diff are you using?

What are the size of your rims and back spacing?

What aspect ratio do you have on your tires?

Thanks for all of the help.

Gpc1

I believe 10 inch is the widest rim you can use.

Qwik71442

15x8” with 4.5” backspace 275/60 295/55 drag radials fit as well

SLWRDE

Qwik 71,

What rear diff did/does you car have and did you run into any fitment or rubbing issues.