Made some progress today and have my final tub rot assessment.....
All of the sheet metal under the tailgate needs to be replaced along with the boxed section. From the fuel filler to the other side, not good.
The mounts under the cargo area are perfect as could be.
Drivers side are GONE from here on out.
Passengers side rear (under roll bar) is toast and the other two are fine, Ill have to replace the actual nut but the sheet metal is fine.
Im going to be a sheet metal fabricator extraordinaire when this is all said and done.
Hurray for michigan