Quote:
Originally Posted by cicero819
Doesn't matter what color you use. If you are painting , then emissivity of the paint is the key factor in heat removal by radiation(none nuclear), in other words you could paint it with clear on bare metal and it wouldn't cause any temperature rise. One of the reasons Helicopter Engines aren't painted, plus it saves weight.
|
The ideal way would be to blast the metal clean with a matte finish and find a way to protected against corrosion.
The next option would be flat black or any dark matte color. One of the best engine paints in the market is the Caterpillar Flat Black engine paint, it takes a long time to dry, however, if the block is clean and prepped, the paint will outlast anything else in the market. Another good paint is the PJ1 Fast Black motorcycle exhaust paint.