Tire sizes for my 67 Dart GT 273 2brl

the 245/70/14 may be a lot of sidewall, unless your trying to kill some big gears, I think most guys run a 245/60/14, it fills the wheel well pretty well.

Here is a great tire size calc I have used to do comparison of old/new, and sidewall front to rear…

http://www.miata.net/garage/tirecalcold.html