Yeah, the exhaust system on my wasserboxer used to bang hard upon start up and shut down....
Cheers, Anthony'89 Syncro GL (Hidalgo)

--- On Mon, 5/16/11, David Beierl <dbeierl@ATTGLOBAL.NET> wrote:

From: David Beierl <dbeierl@ATTGLOBAL.NET>
Subject: Re: odd noise on new gowesty engine
To: vanagon@GERRY.VANAGON.COM
Date: Monday, May 16, 2011, 12:36 AM

At 12:11 AM 5/16/2011, John Goubeaux wrote:
>is warm, eg been brought up to temp. On startup, ie cranking, just
>before it starts and when turning of the engine there is a small clunk

See if the tailpipe isn't bouncing up against the body.� If it's
going to, those would be the times.

Yrs,
d