pettybludart said
I,m running a .631 lift solid roller in my 408,best run is [email protected] bigger cam will get you there with your exstensive ported heads.

lol, I wouldn't exactly say the porting is extensive, but it's pretty good according to my builder.....also the short lift with rather large duration should help with the iron heads I'm told....we will see.....?????

Rickster