Widest FRONT tire on a '66 Dart

Its a daily driver, 4 door dart. Im looking at just some stock 15x6"(or is it 6.5") steelies. Wanting to go as wide as possible to improve stability,especially around corners. The 185/70/13's leave much to be desired.

Car will be BBP, swapping a 73-76 A body disc set up on it. Its a slant six,but future holds either a turbo /6, or a turbo sb.

66 4 door slant six daily driver. Get yourself a set of 14x5.5" steelies.
Go with a 215-70/14. Your car will drive night and day better than the 13's you have. To big a tire will dog your slant.

Down the road,if you upgrade to BBP and V8 power,then you can upgrade to 15's and a little bigger tire.