Thanks Bill! So let me understand - the rear frame extension isn't bolted on but riveted? But it IS and add-on right? Seems to me that we can weld the extensions and body mounts, eh?
As for the back doors - the outsides were crunched... the good news is that a friend of the seller had another set of doors - really good condition with hinges, center spring with chain, etc. I also scored a set of original hubcaps.