Rarity?

What I know is that I had the stock 9"drums on the front of My '69 Dart Custom, and after swapping in a 'teener, a Crane Blazer cam, 600 Holley,4spd, & an 8.75 w/3.23's,
10x1.75 drums on that, I never felt "unsafe" or that I had to pray, and I always hit the 1st turn-around at the strip w/o any drama from~100mph. My '71 Cutlass Supreme
with the 9.5x?" manual 4 wheel drums, I scared the living Geebuz out of Myself one time in that car, no comparison. Did I put '73 & up discs on My '72 Swinger? Sure, but
I intended to stop hard & repeatedly with that one, so..........................................