<<What is the best way to remove the surface rust that builds up on the
underside of cars that sit outside? Our latest restore car (SV) has
flakes of rust that need to be removed then treated and neutralized
before undercoating and it is so widespread, I'm tempted to take an aie
compressor and blast it all away. Any success stories. Brent Kasl>>
Brent,
The best stuff I've used is the rust stabilizer paints that are on the
market. I use "Corroless" from Eastwood Co. It's great for the undersides
of cars because surface preparation does not need to be perfect. I scrape
and wire brush all the loose rust off as best as I can, and spray or brush
on "Corroless." It chemically reacts to the rust and keeps it from
spreading. Once this stuff dries, you can paint, or go directly to the
undercoating.
A few years ago I tried this stuff on a rust spot forming on some
"Japanesium" (we all know how fast Japanese cars can rust before your very
eyes)and it's still holding. The paint around it has started to blister and
rust, but the original spot hasn't gotten any worse.
Good luck.
Tom
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