I took a quick look and the rear mounts have been disconnected from the cab (same as the front). The passenger side front mount area is pretty rough but the other three mount areas seem pretty solid.
I will reinstall all 4 mount points and make sure the cab floor is the prescribed 7/8" above the top of the frame rails before I cut out anything. I anticipate ordering the two piece floor from Classic Parts along with other patch panels I anticipate needing when I get closer to tackling the cab part of the project.
Thanks everyone for your insight and recommendations. This is going to be a long project so I am not sure when I will be getting to the actual work.
