You need to get under there and find out exactly what's causing the problem. You may be able to cure it with a spacer plate or maybe some washers to move the old wheel outboard a bit. Or worse case have your old rims modified by a wheel shop.


It's easier to get forgiveness than permission!
1946 1/2-Ton Chevy
1953 Chevy 3/4-ton Factory Stakebed