This is true. In addition, in your test cars, you were sniffing
downstream of the catalytic converter, which would certainly make the
readings lean.
-=Chris
Chris King
http://home.comcast.net/~kvcbk/
<-----Original Message----->
From: David Lieb [dbl@chicagolandmgclub.com]
Sent: 2/5/2007 7:15:08 AM
To: d.swanson@earthlink.net;spridgets@autox.team.net
Subject: Re: Exhaust Tailpipe Sniffer
Dean,
I think that your problem is that combustion does not stop when the fuel
coomes out of the cylinder. This is by design and the engineers work to
maximize this fact. By the time it gets to the end of the tailpipe, it
IS
lean.
I have my sensor in the horizontal portion of the exhaust (under the
accelerator foot) because I did not want my nice new header hacked into.
Same issue there. If I crank the carb mixture to the point that it
thinks
the mixture is correct, it is so rich it will barely run.
David Lieb
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