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Re: [TR] Exhaust back-pressure - getting detailed in a general

To: TR <triumphs@autox.team.net>
Subject: Re: [TR] Exhaust back-pressure - getting detailed in a general
From: Geo & Kathleen Hahn <ahwahnee@cybertrails.com>
Date: Tue, 03 Oct 2006 07:11:00 -0700
Mark Hooper wrote:

>So, before I go nuts changing all sorts of things, I want to find out if the
>baffles are choking the engine. Perhaps I was wrong to think all was well
>there. Is there some sort of test or whatsit I can use to determine what's
>going on in there?...
>

FWIW -- exhaust shops (Midas at least) can measure the back pressure in 
the system.  They routinely do this when they suspect a partially 
clogged catalytic converter.  They drill a small hole upstream from the 
suspected obstruction and insert a device that measures back-pressure.  
Afterwords they weld up the hole.

One problem may be the lack of a benchmark for the measurement -- i.e. 
how much back pressure is a problem?  Or maybe someone has an opinion on 
that.

Geo H



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