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RE: Where to mount aftermarket catalytic converter on '78 Spit

To: <spitfires@autox.team.net>
Subject: RE: Where to mount aftermarket catalytic converter on '78 Spit
From: "Rob T. Getzinger" <RTGetzinger@scif.com>
Date: Fri, 4 Apr 2003 09:49:12 -0800
The effective place to mount the cat is as near to the exhaust manifold as 
possible. It need the heat to cause the chemical change over to a cleaner 
exhaust gas. If you have an air pump and hook it into an air inlet the extra O2 
will cause an even cleaner exhaust. The further away from the heat source the 
less effective the cat will be. That's functionality.
As far as fit goes, there is more room back near the rear axel for fit 
purposes. Up near the front you will ave to check clearances. You run the risk 
of fire if not  It all depends on the cat you use. Mine was a small flatish one 
that I installed in the rear. My year spit didn't visually require a cat to 
pass but it needed it for the sniffer test to pass.
Rob

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