I had some already mounted on stock 7" steelies, so i threw them on the 72 Charger all 'round. They rubbed a bit up front (not enough to matter), but i didn't like the look. Wide = good. Tall = no. A 275/60 is not a Nascar shaped tire. 255 is too small. A 295/55 would be perfect i think for the LOOK... though it'd rub a bit too.
I've always run 275/60/15 Comp T/A's on my C-bodies... even collected a veritable pile ov them too. No issues at all. Still a bit too tall a profile for my liking, but the 28" does at least look right on the big C's.