The two best ways that come to mind are checking the combustion color of
the spark plugs and a Colortune. A too rich mixture will leave chalky black
carbon coating. The correct mixture will be a light sandy brown.
At 3:45 PM -0500 4/6/02, TeachJP@aol.com wrote:
>For those of you who are still awake reading about the saga of Yellow Fever,
>I have installed a Pacer header, Monza exhaust and have a weber that came on
>the car from the DPO. I downloaded the info from Gerard's website on the
>weber, which says that the idle speed should be about 1000 rpm, and to adjust
>the idle mixture screw until that idle is attained. Well....my car is idling
>at 1000-1100 rpm, varies just a bit, does that mean it was running rich with
>the old stock manifold on it and that I shouldn't adjust it or should I still
>try to adjust the idle mixture? The info on Gerard's web site also says
>that I should get 30-35 mpg with the weber and headers. Prior to installing
>the headers, I was lucky to get much more than 20-22 mpg. Was it running
>rich before and how can I tell?
>79 Midget "Yellow Fever"
>Havertown Pa 19083
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