I'm looking for the best donor set of rear disc brakes for my 70 Nova. I'm trying to figure out what the differences are, year to year, on F-bodies from 82 through 97 as they seem to be the most widely available and probably the easiest to swap. Diamater, # of pistons (I think they're all single piston in the rear), alum/iron calipers, etc, basically any info you can provide. This way, I end up with the set that makes the most sense for me. Thanks

Andy