11 to 1 on pump gas

StrokerScamp said

Ok, so what's different about Magnum heads? Are they more efficient as far as detonation somehow?

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You still up, man i'm ready for bed...lol
Guess it's just the quench deal, i really don't like pushing comp. ratio to far. Carb. tuning and timing can make up for most of the difference imo.
Good night SS.