SRHBRO951 Posted September 18, 2009 Report Share Posted September 18, 2009 is 210 compression too much p3 pistons milled head ported Quote Link to comment Share on other sites More sharing options...
Bill Posted September 18, 2009 Report Share Posted September 18, 2009 210psi is alot of compression. What are you running for fuel,gasoline or alcohol? How much did you have milled off the head? Quote Link to comment Share on other sites More sharing options...
SRHBRO951 Posted September 19, 2009 Author Report Share Posted September 19, 2009 im going to be running vp dont know how much was milled Quote Link to comment Share on other sites More sharing options...
RadarRacing Posted September 19, 2009 Report Share Posted September 19, 2009 Yes that's too high. Shoot for something like 165-175 psi for a gas motor. Some go a little higher but IMO they work well with 170 psi. Quote Link to comment Share on other sites More sharing options...
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