I would bet that once you stripped that car out that you would find very little serious rust. When I found my 66 Hemi car it was sitting in an open car lot for umpteen years. I was originally concerned that the thing would be a pile of rust. Quite the contrary. The frame/unibody was the cleanest I had ever seen. Zero rust anywhere. When I sent it out to be media blasted, the guy that did the stripping said it was the most thoroughly coated/primed car he had ever seen from the factory. I have bought a few more 66-67 parts cars over the years that were quite the same. I don't know what happened to the factory metal prep after that because we all know how well cars like E-bodies held up rust wise. If you so much as breathed on them, they started to rust away.
