Ceramic coating the intake and engine block

[bgd73]

Originally Posted by JasonG

Combustion chamber, piston dome and ex valves helps if you're boosting and running lean. If you are doing a home-brew lean burn, it may save your engine.
For all around better fuel usage, spend the money on ceramic coated tube headers. The retained heat keeps the exhaust velocity up.

that is clever. some cars have metal covers all over the pipes...even black stove paint was smarter. that may have something cermical anyway...