1st thanks for any help ... well i have some questions and i hope you can help: 1- I have ported heads stage 4 for my stock 6.1L & i'm looking for good camshaft so which one can give max horse power ? 2- my old camshaft is HHP stage 2 SPECS: Gross Valve Lift: .547 Intake & .553 Exhaust Tappet Lift at 0.006 Duration: 269/Intake & 277/Exhaust Valve Timing at 0.050 for Intake: 7-/Open & 47/Close Valve Timing at 0.050 for Exhaust: 51/Open & 3-/Close Is this will work with my new heads ? 3- ok my last question .. how to convert the duration from at 0.060 to at 0.050 ??
