Well I am down to the frame, you ask why take it to this extreme? I found two cracks in the frame, two broken welds and 5 cracked welds. Not to mention all frame members are bent, and a axle that has been repaired and probably needs to be replaced for safety.
I finally figured out why the P.O. expansion foamed this area of the floor...to glue it together.
You can see the bumper cut, and welded on top of the old supports. I think I either have to cut off the bumpers all together, or just go with the rack, since they welded the rack onto the frame with massive angle iron.
Someone gusseted the axle, it kinda scares me and I think I now need to replace the axle as well.