Quote: Quote: if painting a bare core made it transfer heat better...then why do all new autos come with a bare aluminum radiator core? All new cars are designed to run Hotter , maybe an emissions thing , so why bother to paint the Radiator to make it run cooler , that is my guess.
Quote: if painting a bare core made it transfer heat better...then why do all new autos come with a bare aluminum radiator core?
