Re: [T3] Idel Mixture Screw-Solex Carbs

["Dave Hall" <dave@hallvw.clara.co.uk>]

Sounds as if there's too much fuel there, and leaning it out is
making it run faster.  Maybe an air correction jet is blocked?  Have
you looked at the plugs recently?  (I know that's not an easy thing
with twin carbs!).  Maybe that side is a bit sootier than the other?
(though the equalising pipes transfer mixture a certain amount
anyway.

Is the auto-choke working OK on that carb?  If it hasn't opened,
that would give you an extra rich mixture.
Dave.
-----Original Message-----
From: Gurrola_J <Gurrola_J@BLS.GOV>
To: type3@vwtype3.org <type3@vwtype3.org>
Date: 14 August 1998 16:41
Subject: [T3] Idel Mixture Screw-Solex Carbs


>A funny thing happened the other day whiel synchronizing my dual
solex
>carbs.   I have already rebuilt them.  I adjusted the rpm to around
750
>which is where this engine likes to be (there differing opinions on
>this).   I adjusted the mixture screw ont he left side by screwing
it in
>then backing it out until I reached the highest RPM's, then a
little
>more. Then I did the same on the other side.  This is where the
funny
>part is.  The rpm increased as I screwed IN the mixture screw.
They
>dropped off as I backed it out.  This is completely backwards as I
have
>ever understood it.    I checked to make sure I had no vacuum
leaks.
>
>What I ended up doing is backing out the mixture screw enough to
>minimize a shaking I was having when cruising at part open
throttle,
>around 1500-2000 rpm.  It still shakes some.
>
>Any ideas out there?
>
>Jaime
>
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