I have a 1988 mustang gt with a stock motor except an e303 cam, 1989 mustang gt computer (maf) long tubes, o/r h pipe, mac cat back, under drive pullies, cold air intake, bbk throttle body, maybe a couple other little gadgets. its also a 5 speed. The car only made 235 rwhp. The guy said that my cam is weak and probobly hurting me. Is this normal? I will get the sheet posted when i get a camera