on my 97 f150 i had 38x15.5r16.5 swamper radial tsls on a 9.75" wide rim... now on my expy running 37x13.5r16 xtreme ats on a 10" wide rim... f150 had 6" fabtech + 3" body lift n torsion bars cranked... expy has 6" fabtech + 3" bl + 2" coil spacer.... if that helps u out at all