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I've wondered for years: Do you make more power with LESS compression and more spark advance ..... OR more compression and LESS advance?


The 1st one. to the OP .050" is no quench the same as .150". When people speak of corn gas (ethanol) they are referring to E10 not E85. E85 (85% ethanol) does have potential. I'd run AV gas or drop the CR w pistons plus the alum heads plus .035"-040" quench


live every 24 hour block of time like it's your last day on earth