What is the largest wheel's I can put on a 1974 dodge dart 360 sport

N50-15s on 10s
What size rim and what type of tire? I.e. Slicks, drag radial, Mud terrain, Sand paddle, etc.

What is you current suspension and brake setup?
All stock 14x5x4.5 I have a 360 422 co stroker for street use thanks