RE: do you think my fuel problem is fixed?

["Chris DeLong" <green536@hotmail.com>]

>One thing to consider here is that with those 4 valves open it might be too
>much fuel demand for the pump to keep up with.

Agreed.


>
>And also, due to the way you have those positioned at the top of the 
>runners
>but still on the plenum, you will be putting a tone of fuel into the #1
>cylinder because of the airflow.

How do you figure? #1 cylinder is not always open. Under boost the intake is 
pressurized and whenever an intake valve opens it will force the contents of 
the plenum into the opened cylinder. one at a time.


>
>BcH
>
> > -----Original Message-----
> > From: owner-scirocco-l@scirocco.org
> > [mailto:owner-scirocco-l@scirocco.org]On Behalf Of Wing Gee
> > Sent: Friday, December 22, 2000 12:32 PM
> > To: Jonas Karlsson; scirocco-l@scirocco.org
> > Subject: Re: do you think my fuel problem is fixed?
> >
> >
> > I was gonna use my existing arkay fueler box. as the box pulses the
> > injectors under load and boost. i would need to look in my boxes and 
>bins
> > for a solid state relay as i don't think a mechanical one can pulse that
> > fast. nah.. i don't have any kind of feedback system. but i do
> > have a o2 on
> > my manifold. so i'm gonna use a volt meter for now to monitor it.. plus 
>i
> > figure i rather run rich than lean. and if it's too rich. i'll
> > either put an
> > inline valve or restrictors in the line. so most likely the
> > mixture will not
> > be constant but fully rich.
> >
> > at least there's a cold start valve in each runner, even though it 
>doesn't
> > atomize it well, at least there will be fuel in the cylinder.
> >
> > i have a g60 rail but it's too much trouble to fab that onto the
> > manifold. i
> > figure.. anything gotta be better than now..
> >
> > Wing Gee
> > 80' Turbo Scirocco
> > 84' Scirocco - With Lotsa parts
> > Http://www.TurboRocco.com (Almost There)
> > ----- Original Message -----
> > From: "Jonas Karlsson" <jonas85k@hotmail.com>
> > To: <winggee@hotmail.com>; <scirocco-l@scirocco.org>
> > Sent: Friday, December 22, 2000 12:08 PM
> > Subject: Re: do you think my fuel problem is fixed?
> >
> >
> > > >From: "Wing Gee" <winggee@hotmail.com>
> > >
> > > >I think it's fixed  ;-) *Snicker*
> > > >http://members.nbci.com/trike007/manifold/
> > >
> > > Yeah, this is the kind of shit I want to see!! Nice job Wing.
> > >
> > > A couple of questions though. How are you planning on running them? 
>With
> > the
> > > full throttle switch, always on, some fancy electronics, etc.?
> > >
> > > Also keep in mind that most people agree that the cold start
> > valve is not
> > > intended for prolonged use, and does not provide optimal fuel
> > atomization,
> > > but you can't beat the price. :-)
> > >
> > > And I forget, but does your 80 have an oxygen sensor? If not,
> > how will you
> > > be making sure that mixture is correct throughout the RPM
> > range? i.e. the
> > > cold start valves deliver fuel at a constant rate, and the fuel
> > distributor
> > > varies fuel delivery with air consumption, so without some
> > feedback system
> > > you'd have a difficult time making sure it is stochiometric
> > throughout the
> > > RPM range.
> > >
> > > Again, I like what I see. Home fabrication is the most fun part of 
>this
> > > scirocco obsession thing.
> > >
> > > Jonas
> > > 85 Scirocco 2.0
> > > 78 Scirocco 1.8
> > > 87 Scirocco 16V
> > > For direct reply: jonas@metabolex.com
> > > http://www.geocities.com/scirocco2l8v
> > >
> > > _________________________________________________________________
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> > >
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>
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Chris DeLong
ICQ#45030867
Seattle, WA USA
'80 16V Rag
'82 GLI
'80 'Vert (for sale real cheap!)
'65 Bus (for sale!)
'61 17 Window


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