factory CES is about 28cc, the head is porous so it maybe more or less, you are about at the end of pump gas at 28cc or 150 -155psi. there is no gobs of hp there, helps the snap on the low end
factory CES is about 28cc, the head is porous so it maybe more or less, you are about at the end of pump gas at 28cc or 150 -155psi. there is no gobs of hp there, helps the snap on the low end
Part one of "Secrets of the OMC Mod 50" : http://www.boatracingfacts.com/forums/showthread.php?t=2052
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