Clean them and apply charcoal grill hi-temp paint. I did if on my E-type manifolds and it lasts a long time and looks great---cheap also. tom ---- "Robert F. Begani" <RFBegani at speakeasy.net> wrote: ============= Hi everyone: Before I install my engine, what should be done to refinish the rusty Exhaust Manifolf. Bob Begani BJ8 67