Will rear brakes from a 73 Challenger E-body fit a A-body 8 1/4 axle or 8 3/4 axle? Backing plates, drums and hardwear? The brakes are from a 73 Challenger with a 340 auto. The rear axle is big bolt not sure if it's 8 1/4 or 8 3/4. I believe they are 10" or 11" drums
