[Zman]

Here's a few things for starters..
SS should have Power disc brakes. SS cars could have a 10 bolt rear, but If original BB, should have 12 bolt posi rear. Also, BB heater core, BB rad. support has larger opening, and the radiator Bolts to the support rather than the top plate method. BB frame mounts lift the engine up, and to the right. When looking at the nut on the air cleaner, it should be about an inch towards the pass. side of the car. Something else to look for, are the brackets on the rear studs of the hood grilles. [img]/ubbthreads/images/graemlins/scholar.gif[/img]