I run a 68 b body 8.75 in my 48 plym ,with a 15×8 wheel 4.25 bs 255/70/15 tires. You might be able to squeeze a finger between fender lip and frame rail on inside. I used straight edges and measured out for back space fitment in wheel well.

48 plymouth 2 door sedan street rod
65 meyers manx dune buggy
66 coronet 500 (resto project)
77 w200 m880
02 dakota