Sides, tailgate and Bulkhead mock up. Looks like it all fits. Bolting bed down now. There really is no reference point/feature to locate modified bed to truck frame. Next step, take all off to blast and paint.
Note: Up front where floor meets bulkhead mounting flange, there will be a space between floor and the flange. They will not mate up. This is due to the fact that the truck had 3/4" boards as a floor and now has only about .063 -.125 thickness. So there is about a 5/8 gap. You can cut the bulkhead and move the flange up to support floor bottom or you can use a spacer of 5/8 square tubing between floor bottom and flange or any idea that suits. Just FYI.
Right is right, even if everyone is against it, and wrong is wrong, even if everyone is for it. - William Penn