Alum Heads

Icetech said

That's exactly what i'm doing... '85 318 roller LA, with trick flows.. pistons were .055 in the hole and i used a .028 head gasket.. The math cam to (i think) 9.6:1.. haven't fired it yet though

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I have a roller block too. I haven't done any math nor have I done much homework, but I was thinking zero deck and the Speedmasters I have in the basement. With the right head gasket 10.5-11 to 1 should work without detonation. Just thinking out loud. 350 horse?