I'm about done with the rear seat. I still need to make tabs to mount my plywood base for the bottom. And I need to make some braces across the 110* angle. Basically, from seat bottom to seat back.

http://www.bunchobikes.com/1952suburban503.jpg
http://www.bunchobikes.com/1952suburban504.jpg
http://www.bunchobikes.com/1952suburban505.jpg