Totally agree with the piston-before-valve comment. Ask Rick Byrnes how his
pistons looked after a half-dozen passes with the monster turbo boost he was
running. The weak link in the thermal system is the piston crown, not the
valve material.
I think I heard Rick say that once...
Karl P.
Skip,
RE: 1750F EGT
My engineering book shows that the melting temperature of Aluminum (ie.
pistons) is 1250F
Iconnel is 2450F
Stainless Steel is 2750F
I think I'd worry more about the pistons than the valves.
I know the pistons are an alloy of Aluminun, but still.....
JG
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