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My 33s rubbed on my 78 Bronco. but just on the radius arms at full lock turning. And it might be because of the weird offset of the stock "sport" wheels It probably also depends on what type of tires you run. Boggers are probably more likely to rub than T/As or some such.
I run 33 X 12.5R 15 on 10 inch rims. There was some slight rubbing on the inner fender but a little tweak of that took care of it. Mine are BFG Mud Terrains, if it matters.
Granted I have a 3-4" lift, but even factory Height I beleive my 33x12.5x15" would clear. The only trouble I have is inner side of the tire on sharp turns rubs the lower bend in the front tube on my headers.
PO installed a 460 with long tube headers.