From there I went after the tip of the rear quarter above the tail light where it was pushed in. After getting it stripped it was clear it wasn’t just bent, but torn as well.
After much sketching, cardboard templating, all while using the right side, the turn signal housing and the (new, used straight) engine cover as guides, I got a cut plan and new piece laid out,
cut out,
fabricated.
fitted and welded in (though I apparently didn’t take any welding progress pictures.
Around here’s where I ran into trouble.