Date:         Tue, 7 May 2002 19:52:22 -0400
Reply-To:     "G. Matthew Bulley" <gmbulley@BULLEY-HEWLETT.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         "G. Matthew Bulley" <gmbulley@BULLEY-HEWLETT.COM>
Organization: Bulley-Hewlett
Subject:      Re: Running Poor after replacing leaky exhaust?
In-Reply-To:  <002f01c1f618$bea8dc30$a67ba8c0@deus>
Content-Type: text/plain; charset="us-ascii"

The innards of your Catholic Converter may be melted/clogged due to a
previous rich-run condition. A vacuum test could confirm. It would be
odd however for your Cat to be trash, and your van to pass smog.


Developing business and guiding change since 1996,

G. Matthew Bulley
Bulley-Hewlett
Corporate Communications
Business: www.bulley-hewlett.com
Alliance: www.ntara.com
Phone: +1.919.658.1278


-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@GERRY.VANAGON.COM] On Behalf
Of Wade Shen
Sent: Tuesday, May 07, 2002 6:44 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Running Poor after replacing leaky exhaust?

Hi all,

I've been trying to get my '91 GL to pass DC inspection for about half a
year now and I finally bit replaced the pipe(s)/gaskets between the
catalytic converter and engine.

Although it no longer makes noise and passes DC emissions, the van seems
not to have as much power as it did before - like more than 10% if I had
to estimate.  It seems to have less power now than my '85 Westy and it's
1.9l engine.  Is this just due to the back pressure of the catalytic
converter and muffler, or am I imagining things?

It also seems to run a bit hotter at idle before the cooling fan cycles
on/off, but I'm not sure that this is related.

Any conjectures would be appreciated,

Wade