rubberneck Posted January 3, 2012 Report Posted January 3, 2012 20 cc domes will not be what you want to run with pump gas on a 4 mil motor at sea level. My 4 mil fast dune ported stock cylinder motor with 19 cc domes kicked just over 190psi at sea level. Im thinking you will need to be in the 22-23 cc range to run pump safely but call kevin he will get you what you need Quote
sheerider11 Posted January 4, 2012 Author Report Posted January 4, 2012 Haven't contacted him yet. But I'm definitely gonna get this figured out the right way. And I would never use octane booster. Mechanic in a can don't work. I spent good money so it's okay to take my time and get it to a tee. Quote
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