Today I made and installed a patch panel to replace the rotted out section below the bend in the fender well. The piece is about 2-3/4" tall. It took about 4 hours to fit, weld and grind this piece.
This is a pic from inside the front driver's side wheel opening. It is of the patch and the fender well after I ground everything down to fit.
From the wheel opening again after welding and grinding
From inside the passenger compartment after grinding and welding.