[Vwdiesel] smoke related to driving style

[Mark Shepherd]

Could it just simply be gentle driving allows accumulation of soot in the
exhaust. Extra energy in flooring it loosens it off again. After all the
turbine manages to find the extra energy and turn it into mechanical
energy. So why can't the soot particles see this energy too.?
One of my paranoia's is that the annual opacity test involves flooring it
by the inspector. "Readings spoilt by loose soot?"
MTM
----- Original Message -----
From: Val Christian <val at mongobird.com>
To: Sandy Cameron <scameron at compmore.net>; <vwdiesel at vwfans.com>
Sent: Monday, November 07, 2005 12:44 AM
Subject: Re: [Vwdiesel] smoke related to driving style


> The exact same symptoms occur on my car.  The mileage reported is about
> the same as well.  I have a 91 NA.
>
> No turbine wheels.  We need a new theory.
>
> Strawman theory.  Light foot allows carbon and longer chain molecules
> build on the pintle and other portions of the injector, and are knocked
> free with high fuel flows.
>
> Observations: Driving hard, keeps smoke clean all the time.  Rara to the
> lead foot.  Also, keytone and tolulene additives "injector cleaners"
> and "fuel conditioners" seem to reduce the intermittent lead foot
> smoke production.  "Stomp smoke."
>
> Val
>
> >
> > At 05:40 PM 11/5/05 -0500, you wrote:>
> > >Is it a carbon build up issue?  It only seems to do it when I drive it
easy
> > >and then push it hard.
> >
> > My TD does that. Reason says that carbon sticks to the turbo wheel with
easy
> > driving, and comes loose on high boost / high RPM
> >
> > Effective way to disuade tailgaters. I always seem to have a supply in
store
> > when needed.
> >
> > Sandy
> >
> > _______________________________________________
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> >
>
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