Quench is very important and most people dont pay any attention to it when slamming the heads on...
I have read some good articles on how they grind cams today to let us run big comp and somehow bleed off so we dont ping..I dont quite have a handle on it myself but have read some interesting engine builds over on team Camaro, there are a few guys that are pretty sharp on motors over there...I am sure we have some here as well but they wont tell us there secrets...