A little farther along I fit the donor center floor sections from the 67 Bel and decided to add sections to the front floor pan to fill the gap.
I could have added the length to the donor floor but decided it would be a little too hard to control the shape and fit.
Basicly what I'm doing is creating a new flange area that will look like the factory flange area at the back floor.
Makes the fitting of the donor floor much easier and also should have any Mopar guys scratching their heads even more when they look under and see the joint.
"Hey....mine isn't like that!?!?" LoL
I moved the donor floor section back 3" and also the seat mounts.
With the stock seat location I found it was just a little close to the wheel, so moving back 3" will obviously fix that AND gave me the ability to regain the missing 3" difference there seems to be between Plymouth and Dodge.
I'm guessing the extra length was in the rear floor section but putting it in the front worked better for me.
I'm using a Caddy split-bench up front so the required custom brackets will let me mount the seat wherever I need it anyway.
Anywho...enough typing...heres a few pics.