Rust Repair Part 27: Prepping Four Doors Takes Forever

I&rsquo;ve come to the realization that unless a body panel is covered in epoxy primer and in good enough shape that you could start on body filler then the metalwork isn&rsquo;t actually done. The XJ is still a long ways away from being ready for filler but asking myself this question when working on each panel has been a handy litmus test for me to tell when it&rsquo;s actually…