> Hi, listers;
> In the process of restoring my GT6+ I have found some rust under the
> undercoating on the front suspension sub frames. During the process of
> eliminating the rust and painting the I got into a discussion with my
> significant other's brother about rust. He has done extensive autobody repair
> as a hobbyist and professional and claims that you can't eliminate rust.....it
> will always come back. His treatment of rusty surfaces involves sandblasting,
> metal prep, bondo, etching primer and paint.
> I take the opposite view in that if you can seal the metal against oxygen and
> moisture the (baring any penetration by impact or scratching) the suraface
> should remain rust free. I usually sandblast or wire brush vigorously, treat
> the surface with two or three coats of rust eater, prime, bondo, rust eater to
> seal the edges and then prime, and top coat. If it is possible I undercoat the
> inside of the panel and if possible fill the cavity with structural foam to
> prevent rust from the inside of the panel. I restored a 1973 Honda Civic with
> this method and rust seized to be a problem. It also sounded like a Mercedes
> when the doors were slammed. Obviously, I wouldn't do the foam thing on an LBC
> but I have a 1985 Chev Celebrity wagon that is a prime candidate for this
> My question to the list is......what are your opinions in this debate? Is rust
> unstoppable once it starts? Or can it be controlled?
> Greg Wolf
> 1970 GT6+ "Ian"
> Ann Arbor, Michigan
Greg, rust is the cancer of autos, treat it as best you can, if reappers,
try treating it again and so on. In the human body cancer is usually
operated on a cut out, similar I think !!