An engine won't run on air alone. Regardless of air being drawn in from the
outside past worn bushings, for an engine to run at all it must also be
drawing fuel past the butterfly. One should be able 'tune out' any high
idle as a result of a vacuum leak by use of the idle screws. But if
anything stops the butterfly from fully closing the carb throat you won't be
able to do that, and that is irrespective or vacuum leaks or not. If you
can't tune out the idle caused by worn shafts/bushings then there is some
other problem with the carb(s) as well.
----- Original Message -----
From: "Charles & Peggy Robinson" <ccrobins@ktc.com>
To: "Paul Hunt" <paul.hunt1@blueyonder.co.uk>
Cc: "Christian, Skip" <wellner.christian@navy.mil>; "MG Digest (E-mail)"
<mgs@autox.team.net>
Sent: Sunday, April 11, 2004 2:48 AM
Subject: Re: Carb & Trans Oil Questions
> It's the other way around. The problem is the air being drawn in past
> the worn shafts/bushings.
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