On my 69 Fastback, I have put 245/60/14's and 235/60/15's in the rear without any rubbing.
69 Fastback <== Still Not Complete After 4 Years
66 Fastback 6cyl, 3 speed <== Collecting Parts for a 5.0 EFI conversion
69 Fastback <== Still Not Complete After 4 Years
66 Fastback 6cyl, 3 speed <== Collecting Parts for a 5.0 EFI conversion