I use brass nuts on the cross-over pipe, cat, and muffler to tailpipe
for this reason. Stick with VW steel on the manifold-to-head nuts.

Developing business and guiding change since 1996,

G. Matthew Bulley
Bulley-Hewlett
Marketing & Communications
Business: www.bulley-hewlett.com
AIM = IExplain4u
Phone: +1.919.658.1278

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM] On Behalf
Of John Rodgers
Sent: Wednesday, September 18, 2002 7:44 AM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: ? Lock Washers on Exhaust Fasteners?

Back in my days as an aircraft mechanic, brass nuts were used on exhaust
studs
because they do  not seize on the stud after they get hot. Something to
consider.

John Rodgers
88 GL Driver

David Brodbeck wrote:

> On Tue, 17 Sep 2002, Kim Brennan wrote:
>
> > Hmm, I thought I remember the Bentley saying to use locking NUTS. Of
course,
> > the locking nuts I know of, use a nylon insert, which I have trouble
> > believing will endure the heat of an exhaust system. I used locking
washers
> > (stainless) when I was working on my exhaust system.
>
> VW seems to use nuts with a metal locking insert.  Of course, being
VW,
> they use soft carbon steel and the insert merely ensures the nuts will
> seize irretrievably to the bolts. ;)
>
>              _ _
>   __ _ _   _| | |  | David M. Brodbeck (N8SRE)              Ypsilanti,
MI
>  / _` | | | | | |
+-----------------------------------------------------
> | (_| | |_| | | | @ cyberspace.org
>  \__, |\__,_|_|_| "The VW camper is a brilliant invention -- it's like
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