Took all weekend but finally got the Tinman subframes in. I had a real bad case of bottle jack syndrome on the bottom of the frame rails, and Jim Crew at Tinman made a simple and effective suggestion; use 14ga as an overlay. Here is the final pic. Easy units to install once I got the overlay plates cut and welded in place. Took an entire day for the overlay, and then the second day to install the subframes. Tinman is top notch!! Excuse my suk welding, I now understand why welding upside down is a PITA.