Go with the Maxxis MA1. I got for my 69 Dart 6 cyl with 13" tires. They are very close to the original overall diameter and speedo is right on and are whitewall like original.
It was sad that could not find any Made in USA 13" tires in right size (only low profile) and these are from Indonesia I think. But they did balance very well and appear to be decent tires.
They are a 80 sidewall, so they do have a good amount of tire roll on turns. If you want performance, then go with a low profile tire. Should be able to find BFG TA in 13"