I've always ran, no smaller than 8.25's, front & rear, on my Stovebolt Chevrolets. They fill the wheelwell better also. I had 9.00 X 20,s, on my '54 COE. I now have 8.25frt., & 9.00rr., on my '53 Chevy COE, & 9.00's frt., & rr., on my '52 GMC COE. I've got 10.00 X 20's on my, later model trucks.