I'm gonna go out on a limb here , although it's only 9:7.1 cr (605") quench is .100" & no problems running pump fuel , DC is around 8:5.1 , this motor is street driven & built around sniff.

Dish pistons with around .250" dish & no quench pad , 35* total spark lead , i know , it don't make sense.

Last edited by 602heavy; 07/17/09 07:23 PM.