shee23 Posted April 18, 2010 Report Posted April 18, 2010 I just got my motor back from hjr and took it out this weekend and played around with the jetting but it seems like it should pull way harder then it does, being a stroker motor. Im running cpi's, 140 psi, 35 air strikers, with 14/41 gearing. any ideas where i should start? Quote
Kingsley78 Posted April 18, 2010 Report Posted April 18, 2010 Port timing? Have you shifted your bores up with a thicker base gasket to give TDC piston clearance? Quote
speedcrazyshee Posted April 18, 2010 Report Posted April 18, 2010 i dont know alot about compression. but 140 seems low for 18cc domes. i just finished my 4 mill build and i am at 195psi per side on 20cc domes. i am running cut domes for a 4 mill and no base plate. Quote
shee23 Posted April 19, 2010 Author Report Posted April 19, 2010 i dont know alot about compression. but 140 seems low for 18cc domes. i just finished my 4 mill build and i am at 195psi per side on 20cc domes. i am running cut domes for a 4 mill and no base plate. yeah im sittin at 5000 ft. so that has alot to do with it. Quote
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