All I can add is on my 65 dart(73 discs/10"drums) w alum 1&1/8 MC the brakes are inadequate(pedal too hard & not enough braking) but I threw it together cause I needed some transportation & I didn't use an adapter for the MC & the pedal is way too high so maybe that's messing up my leverage here. I just bought the car back so I am going to add a spacer & "Dogfather" on here was kind enough to sell me a set of semimetallic pads that I will try .