Can you put 6 lug Chevy rims on 6 lug ford?

Short answer: No, The reason being that the rims my be the same size for example 225/7.5/R16 but the lug patterns are different sizes and spaced differently. If you did get it to for you would be risking damage to the wheel and rim. My advice is to go to your local salvage yard and make a deal for a trade or buy the rims you need.