Re: Cub soupup?

Posted by Andy Martin on November 24, 2005 at 17:45:19 from (216.150.108.59):

In Reply to: Re: Cub soupup? posted by Andy Martin on November 24, 2005 at 17:40:54:

I meant to add, the velocity therough the venturi creates the vacuum to draw gas into the air stream. Opening up the venturi just a little will result in lower velocity and less fuel pulled in, which more than negates any improvement in pressure drop to get more mixture into the engine. Opening the venturi up a lot will stop the carburetor from operating. I guess you could always try to run on the choke, but then you have that pressure loss again.

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