Just change the cam to one with more overlap. Clint Hooper H&H Custom,owner 1969 El Camino ProTourer 2001 H-D FLHR custom bagger http://dalesplace.com/misc/friends/clint/clint_hooper.htm ----- Original Message ----- From: "J. Brady" <[EMAIL PROTECTED]> > To answer another question that someone posted, I buy > it b/c of my 11:1 compression.. My 327 pings with > anything less, and I've only been driving the car for > about a yr with this motor, so I'm not yet at the > point where I can justify to the wife that I need new > heads that run lower compression and another intake.. > Jim