I was in a rush and used Eastwood header coating on my RARE round port long branch manifolds. I wouldn't recommend it. The manifolds will be taken off soon and I'll end up sending them to be ceramic coated.
1968 400 Coupe, verdoro green, black vinyl top, auto 1969 GTO Judge coupe, Carousel Red, manual 1971 Trans Am, cameo white, auto 1970 Buick Skylark Custom Convertible 350-4(driver), Fire Red, white top, auto 1972 Buick GS Stage 1, Royal Blue, black vinyl top, auto