There are coatings (not paint) that aid in heat dissipation. Check out TLTD @ http://www.techlinecoatings.com/BulkEngine.htm#TLTD There are several companies out there doing this type of hi-tech coating, although the thermal barrier coatings have gotten the most press. Jack Byrd '66 Corsa, '64 Sprint convertible, 71 Blazer