Rang certainly did build it up. It was 12.5:1 forged pistons/rods. Buddyclub spec 4 + cams, oversized Ferrea valves, buddyclub spec 2 exhaust, Even though most times he ran open header, gutted, aluminum dash, jap tuned on a 120 pill I believe ..Kung had the shell and was doing a jdm gsr in it but then gave up..who knows where the shell is now