i am not sure it overheated then the engine started being very loud. had it towed home and engine coolant was all over. Doesn't start now. I was guessing it was the heads or block?
I f ya want...PM me with everything that you have changed on the car...and everything that has happened since the blow up...be as detailed as possible...I'll help ya as much as I can...later!
"SHELLY" GRAND PRIX GT 02. SLP HEADERS & EXHAUST, K&N CAI, BMR REAR SUSPENSION AND STRUT BRACES, 180 T-STAT, AGX STRUTS, EIBACH SPRINGS, OVERKILLPCM, YELLA TERRA 1.7 ROCKERS, GT1 CAM, SEXMAN PORTED & POLISHED HEADS, STAGE 2 PORTED TB