Piccies!
The gap door rails (red tape) were too long and contacted the front part of the lid. After I got home, I cut the rails back about 1.5". I still have to repair the damage to the foam which will be covered over with Tyvek tape and repainted.
Pivot pin is now at the 2nd from the top position instead of the #3 position.
Side view...
Hitch setup...
Gap between the truck and trailer...
Rear angle view...
Simulated load of 240lbs...