On Wed, 22 Oct 1997, Sean Bartnik wrote:

> > > I don't have a cat converter (removed by PO), so I'm guessing I'm already
> > > running very high.  Which way do you turn the screw to make it lean?

And Tom Young wrote:
> >
> > Clockwise.  You might be running too high for smog without a catalytic
> > converter, but that doesn't mean you're running too high for the basic
> > mixture adjustment.  The best bet is to use a CO meter.
>
Whereby Sean wrote back:

> Tom,
> Are you sure about that?  I thought the mixture screw controlled a
> bypass air drilling, and turning clockwise closed off the drilling,
> making the mixture richer while counterclockwise leans.  Am I wrong?

No, you're right and I'm wrong.  My fingers got ahead of my brain.  Sorry.

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Tom Young               young@sherlock.SIMS.Berkeley.EDU
Lafayette, CA  94549    '81 Vanagon
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