275/60/15 tires on stock Duster

I put N50-15s on 10s under a 74 DartSport. Lemmee think... Ns were like 10" treads, maybe 12"Sections so 295/50-15s I guess. Hyup I put those on my 68 Barracuda and I think the tubs are pretty much the same.
So 275s are easy. I like the 60series