automec1062 Posted December 3, 2003 Report Share Posted December 3, 2003 the correction for our density altitude is a full second off the 1/4 mile times . that puts it at 12.7 in the 1/4 . head work , radius cut seats , 3 angle valve job , 2 cut valves, port match intake , port&posish ex. gained 21 cfm on intake and 53 cfm on the exhaust . .this is on an 03 SS mike Link to comment Share on other sites More sharing options...
automec1062 Posted December 3, 2003 Report Share Posted December 3, 2003 oh ya forgot to say 6.5 psi boost Link to comment Share on other sites More sharing options...
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