There was a time when all sorts of creative, albeit unrefined, methods of rust repair (we use that word loosely) were to simply cover it up with fiberglass, a chunk of sheetmetal screwed into place, ...

Let's face it, early '70s pickups are now around 40 years old, and even the most sound looking will almost always have some rust or bodywork issues hiding below the paint, unless you're lucky enough ...