Date:         Tue, 1 Jul 2003 08:10:19 -0700
Reply-To:     wilden1@JUNO.COM
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Stan Wilder <wilden1@JUNO.COM>
Subject:      Re: Subject: Re: Used Van Need help
Comments: To: gull@gull.us
Content-Type: text/plain; charset=us-ascii

I really can't say what the stuff is but Aircraft Paint Stripper will
make it release, even then it comes off in strips (wheel well outer
edges).
It still is elastic and remains intact.
The entire under body is coated with the stuff and it is easy to see it
was coated prior to the running gear and suspension parts being
installed.
Even in areas that had many years of grease build up on top of it the
stuff is still bonded very good and shows no sign of being degraded by
the presence of the surface grease.
The material is elastic and behaves much like a tire inner tube when you
drag a screwdriver across the surface, deforms a little and returns to
it's natural state.
Crazy as it might sound, I washed the underside of the car with one of
those brushes at the $1.00 self serve car wash and since the Porsche just
has a big flat pan for 95% of the underside it cleaned very good and my
inspection for rust showed 'no rust'.
Since the PO always had the car serviced at the Porsche dealer they
always used the jack points and there aren't any depressions or scuffs
anywhere under the car from improper lifting.
I'll probably use urethane on the wheel well openings where I removed the
undercoat when I retouch the paint.

Stan Wilder



On Tue, 1 Jul 2003 08:42:37 -0400 (EDT) David Brodbeck <gull@gull.us>
writes:
> On Mon, 30 Jun 2003, Stan Wilder wrote:
>
> > This car was undercoated at the factory with some special German
> > rubberized material.
>
> I wonder if this is anything like what my old '75 bus was
> undercoated
> with.  I don't know what that stuff was, but it was rubbery and
> very, very
> tenacious.  After 25 years of Michigan winters the rocker panels
> were
> rotting out but there was almost no underbody rust, and the
> undercoating
> was still all there, even in the fender wells.  I hit some of it
> with a 3M
> paint removal disc once and it just roughed up the surface.  I think
> it
> would resist anything short of a grinding wheel and even then you'd
> have
> to work at it.
>
>
> David Brodbeck, N8SRE
> '82 Diesel Westfalia
> '94 Honda Civic Si
>
>

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