finally getting to it

I know on the Duster (not sure about a Dart or Scamp) but in the wheel well to frame there is about a 2" gap. Why not just tub the car for that 2" gap (and with your relocation kit) allow you to run some pretty big tires in there, without cutting the axle (this would make the wheel well and frame flush).
This is what I'm doing with my Duster.