BOY YOUR REALLY HELL BENT ON THIS QUESTION ARENT YOU? ITS A SIMPLE FACT. THE GM AT CHEVY BELIEVED THAT ALL SS CARS SHOULD BE EQUIPPED WITH DISC BRAKES AS STANDARD EQUIPMENT AND THE GM OVER AT PONTIAC DIDNT BELIEVE SO. ITS THAT SIMPLE! ALOT OF DRAG RACERS WOULD RATHER THEIR CAR HAD DRUM BRAKES [LESS FRICTION]
