Checked a few things off the to-do list.....
Used another set of welderseries.com frame curves to make a crossmember to box in the rear of the frame where the gas tank will go:
Set it in place to check for fit. It will get welded and blended once we determine the tank size:
Shaved the filler neck hole:
Also had some previous collision damage. Gotta love the old screw in dent puller holes:
Metalwork done: