I thought I had it all figured out but I guess not. I have a set of 14 inch SBP rallye wheels on tires. They are about 6 1/2" total width so 5 1/2 or 6" I guess. The fronts wheels have newer BF Goodrich TA 215/70 tires and the back are 235/60 (backs are old but I have new ones I bought...