Join Date: Jan 2008
Location: Marlborough, MA
PTV is why I contacted Rick and went with his recommendations on cam and how much to mill the heads. I had never measured PTV before, but I went through it and with my setup I am near the minimums of .080 and .100" with untouched pistons & stock head gasket.
2009 SRM G8 GT, GMPP CNC heads milled .035", RCR backcut intake valves, RCR Lunati 219/223 .612/.615 112+1, PSI 1511ML springs, Ti retainers, BTR 7.375 pushrods, Straub trunion bushings, RCR Airram intake, IWIS chain, Melling hi-vol hi-pressure oil pump, oil bypass blockoff, LS7 MAF in Spectre 4", Blox velocity stack, Rotofab, Kooks 1-3/4" LT's, Kooks catted X, Hooker Maxflow axlebacks. 426/383.