Tires and Wheels

ramhemi said
Which back space would work best?4 1/2" or 4 7/8"?

My '72 Duster has 15x10 inch rims with 4 3/4 inch back spacing and I have exactly 1/2 inch clearance to the spring and 1/2 inch to the inside fender lip in the rear with the bare rim installed.