Help - identifying suspension mess (pics)

[landarts]

I have a chance to buy a 67 shortbed 4x4 . What my plans are is I have a very clean 67 C-20 lwb that has no rust and a great running 327 motor , 4spd granny gear transmission. The truck is all original and in great shape by all standards. I want to purchase this 4x4 and move over the cab and motor to get to a complete 4x4. There has been something done to the front where the spring hangers go. It looks as though they might have had a wreck or something going on up front and to get it back to running order they tried to patch the frame and box-in the hangers. Everything you see in the pictures comes with the truck.

pictures part 1