Tires

On my 73 Swinger, I have 15X7 Cragar 313 Smoothies (baby moons) with 4.125 (4 1/8") backspacing. I mounted 225/60/15 BFG Radial T/A's on all four. With this setup, I think the 235/60/15 would rub in the front. It might fit with more backspacing.