I looked at an old one more carefully............and think you might be
right about that.

----- Original Message -----
From: "Jake de Villiers" <crescentbeachguitar@GMAIL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Tuesday, July 22, 2008 12:54 PM
Subject: Re: The DEEP, DARK secret of fiberglass exhaust wrap discovered

> Those pipes are just mild steel with paint.
>
> On Tue, Jul 22, 2008 at 12:26 PM, Doug Alcock <doug.alcock@gmail.com>
> wrote:
>
>> Ok - I thought they were stainless steel -- but will sit corrrected --
>> living proof that you have take what you see on this list with a grain of
>> salt --- my apologies for the waste of bandwidth and the misinformation.
>>
>> Doug
>>
>>
>> On 7/22/08, Scott Daniel - Turbovans <scottdaniel@turbovans.com> wrote:
>> >
>> > tryin' to stay quiet pretty much,
>> > but since when do 83.5 to 85 Vanagons have stainless steel main coolant
>> > pipes  ?  .
>> >
>> > what they are, near as I can tell is ordinary steel, galvanized, then
>> > painted black.
>> > and a magnet sticks to them - just tested that.
>> > ( hush my mouth if I'm wrong, but boy are there ever a lot of incorrect
>> > urban myths in the VW world !! )
>> >
>> > there are numerous stainless steel alloy types - a lot of stainless
>> > steel
>> > is non-magnetic.
>> >
>> > I'm glad to see someone say stainless rusts though .........and it
>> depends
>> > on which kind of stainless........
>> > but people think  stainless steel is 'magic titanium.'
>> > it is not.
>> > stainless has a lot of properties that make it not as good as steel in
>> many
>> > applications.
>> > it's not as strong.
>> > it welds nicely, but it doesn't cut with a torch so nicely, and it's
>> > very
>> > hard to drill.
>> > Stainless steel cracks too.  it's not 'some perfect metal.'
>> > ................and ............stainless steel coolant pipes are a
>> > very
>> > good application of the material, and to be really correct, which
>> > should
>>  be
>> > saying what alloy of stainless we are talking about each time.
>> >
>> >
>> >
>> >
>> >
>> > ----- Original Message ----- From: "Doug Alcock"
>> > <doug.alcock@GMAIL.COM>
>> > To: <vanagon@GERRY.VANAGON.COM>
>> > Sent: Tuesday, July 22, 2008 7:04 AM
>> > Subject: Re: The DEEP, DARK secret of fiberglass exhaust wrap
>> > discovered
>> >
>> >
>> > Stainless steel does rust eventually --- a case in point is the
>> > stainless
>> >> steel coolant pipes that run under the 83.5 to 85 vanagons. I'm sure
>> >> you
>> >> can
>> >> guess how I know this.
>> >>
>> >> Cheers,
>> >> Doug
>> >>
>> >>
>> >> On 7/21/08, Chris S <szpejankowski@gmail.com> wrote:
>> >>
>> >>>
>> >>> Well, I bought some exhaust wrap, but not to wrap my exhaust, mind
>> >>> you.
>> I
>> >>> needed to shield some not-so-hot parts from the hotter-than-H parts.
>> I've
>> >>> read reports of exhaust headers rusting very quickly after
>> >>> application
>> of
>> >>> fiberglass exhaust wrap.  Why?  The stuff soaks up water like a
>> >>> sponge
>> >>> and
>> >>> holds it.  Yes, I just tested it.  So you can imagine what happens
>> >>> over
>> >>> night when the dew point drops, no?  Yes.  The doom of all bare
>> >>> steel,
>> >>> moisture, gets sucked up against the headers.
>> >>>
>> >>> It seems that sealing it against moisture would be the correct way to
>> >>> apply
>> >>> the stuff, which can be done by applying the appropriate and
>> >>> expensive
>> >>> sealant.
>> >>>
>> >>> No problem for stainless steel headers, right?  Maybe not so, since
>> >>> the
>> >>> wrap
>> >>> causes the temperature of the headers go up, which may be too much of
>> >>> heat
>> >>> stress for the metal to handle.  And that might be another DEEP, DARK
>> >>> secret
>> >>> in itself.
>> >>>
>> >>> Chris S.
>> >>>
>> >>>
>> >>
>> >>
>> >> --
>> >> http://www.dougalcock.com
>> >>
>> >
>> >
>>
>>
>> --
>> http://www.dougalcock.com
>>
>
>
>
> --
> Jake
> 1984 Vanagon GL
> 1986 Westy Weekender "Dixie"
> Crescent Beach, BC
> www.crescentbeachguitar.com
> http://subyjake.googlepages.com/mydixiedarlin%27