245 60s

I'm running 245/60/14s on the rear of my 66 Cuda 14 x 7 with 4 inch back space and lowered 3 inches + and no rubbing, fronts are 14x6 with 4 1/4 back space 235/60/14s with slight rub on full lock at rear of inner wheel well [torsion's lowered 2 inches from stock]. I plan on changing to 205/70s on the front eventually.