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RE: "hanging" revs...

To: mgs@autox.team.net
Subject: RE: "hanging" revs...
From: Chuck Renner <crenner@dynalivery.com>
Date: Wed, 7 May 2003 16:45:47 -0500
> The system is designed to over-run slightly to allow the fuel 
> to burn out,
> that's what the gulp valve does.  In fact in some instances 
> the air injected
> into the manifold under high vacuum conditions will cause the 
> engine to go
> lean, increase in speed and give a few backfires.

Ok, so why is it that on the emission controlled cars, removing the gulp
valve can lead to backfiring?  Is it something inherent in the Z-S carb?

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