I have had a slow leak on a front tire on my C2 Corvette the last 6 months or so. Yesterday, I took the tire off and literally slathered it with soap bubbles. I could not detect a leak, no matter what I did. I dis-mounted the tire today, and found that the beads were covered with rust. There was a small amount of rust on the rims as well. I could clean it off and re-mount the tires, but the rust bothers me. I would like to clean it off and paint the inside of the rims with something that would 1.) stop the rust, and 2.) help make the beads seal. Anyone have any suggestions?