Well, I think that is enough pictures for now. I have learned a lot and believe that my work is as strong as regular sheet metal. Only time will tell. Sorry that the angle on the last picture isn't a great angle. That spot is definitely the worst but there are holes everywhere on the flat bottom surface, and it is hard to get on the other-side if I wanted to glass from the interior of the airbox plenum.
'73 Charger Petty Blue, Black Vinyl, and Gill Slits
727 torque-flight
400 BB Chrysler
8 3/4 rear