Re: fuel mixture

[Gary Huff <scirocco86@home.com>]

Around the idle screw is fine. There is no way it can get sucked in and burned, as you'd have one hell of a hard time sucking rtv through the idle screws threading..... The o-ring replacement, GL. I have been through many parts bins and o-ring chests at tons of different auto parts stores never finding the correct one.I guess you can call me a cheapass too, but 8$ for a brass screw with rubber is silly. Peace,
	-Gary Huff

On Tue, Jun 26, 2001 at 06:48:36AM -0700, Anthony Pelletier wrote:
> I wouldn't put RTV sicicont anywhere on the intake
> track.  I couldn't figure out why I was smoking O2
> sensors.  Well, thats why.  It doesn't like cats much
> either I hear.  Just buy an o ring from the hardware
> store or get a new screw $8 from potter for the last
> one I bought.
> 
> 
> --- Gary Huff <scirocco86@home.com> wrote:
> > ISV duty cycle. It's something you measure of a test
> > lead in the engine compartment near the ignition
> > coil. It's the amount of time the idle stabilizer
> > valve spends open IIRC. On a duty cycle meter it
> > should be between 26-30%. You adjust it by turning
> > the idle air bypass screw in the back of the intake.
> > Once this is set, put a fair amount of blue RTV in
> > the idle air bypass screw hole to seal it, as the
> > o-ring in there is completely shot most of the time.
> > Next set the ignition timing, and then set the dpr
> > current. They must be set in this order, trust me I
> > learned the hard way. The reason ISV duty cycle is
> > important is because the DPR is
> > regulating/correcting the amount of fuel given to
> > the motor for the air that is allowed to pass into
> > the motor by the ISV. Hope this helps. Peace,
> > 	-Gary Huff
> > 
> > 2000 Golf GLS 1.8T
> > 1986 16v Scirocco <-- closer to running properly....
> > 1975 Scirocco
> > On Mon, Jun 25, 2001 at 11:00:58PM -0400, S.Coleman
> > wrote:
> > > Gary,....can you explain this "idle stabilizer
> > valve duty cycle" bit.  I
> > > swear I haven't ever done this.  (doh!)
> > > Thanks,
> > > Chris
> > > ----- Original Message -----
> > > From: "Gary Huff" <scirocco86@home.com>
> > > To: "Brad Sayer" <vwrocco85@hotmail.com>
> > > Cc: <scirocco-l@scirocco.org>
> > > Sent: Monday, June 25, 2001 10:31 PM
> > > Subject: Re: fuel mixture
> > > 
> > > 
> > > > 10ma is what the 16v Scirocco should run. Set it
> > to 5ma if you like more
> > > mid-range pull, but slightly less low end torque.
> > Don't forget to set idle
> > > stabilizer valve duty cycle, and timing first
> > though....
> > > > -Gary Huff
> > > >
> > > > On Mon, Jun 25, 2001 at 07:18:30PM -0400, Brad
> > Sayer wrote:
> > > > > Ok, so now another person has told me that the
> > fuel mixture on a 16V
> > > should
> > > > > be set by getting 5ma at the differential
> > pressure regulator (DPR).
> > > But, I
> > > > > just read the hole section in the bently and
> > it says 10ma (in 2
> > > different
> > > > > places, no less).  This is for a CIS-E 16V as
> > per the usual
> > > > > Scirocco/Cabriolet Bentley manual.  Could a
> > GTI 16V be 5ma while a
> > > Scirocco
> > > > > 16V is 10ma?  That would explain the confusion
> > I believe.
> > > > >
> > > > > Which is right: 5ma or 10ma?  Its a pretty big
> > difference.
> > > > >
> > > > > Brad
> > > > >
> > > > > 87 16V
> > > > >
> >
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