question /wheels / tires

I need to know if I can install 10 inch wide wheels 12.5 wide tires on a 1966 chevy stepside pickup tk without tires rubbing fenders. The GM rallyewheels have a 4 in. offset inside and 6 in outside of rim. Any responce would be gratefully appreciated. Thanks allready

Aw,come on guys,surely someone has the answer

The answer is yes or no. The smart thing to do is measure how much room you actually have rather than taking someone elses word for it.