Front Doors: Attach cut ends together wwith HG-4 gussets riveted together with 1/8" short Al rivetss. Tweak fram into shape to fit door openings.
Rear Doors: Fabricate hinge jam from 1/2 x 3/4" Al flat stock. Cut each hinge jam to 13-1/2" and smooth with file. Rivet into place on door post leaving clearance for 17" hinge in the center over aft seat support forward mounting bracket.
