Re: [16V FUEL ENRICHMENT] The Verdict.

[Brett Van Sprewenburg <brett@netacc.net>]

>--- 16v Jason <jason@scirocco.org> wrote:
> > Not to be outdone, Mr. Wizard (aka Ms. Jason) has performed a highly
> > controlled scientific experiment regarding the merits of a fuel
> > enrichment
> > module.
> >
> > The Victim:  A non-RPM sensing fuel enrichment module submitted for
> > independent testing by none other than Ben Harder.  The unit has not yet
> >
> > been tested for its functionality (as someone has borrowed my
> > Multimeter),
> > but it makes a cute clicking noise when full throttle is activated.  It
> > also causes horrible cold-starting problems on my car -- so a test of
> > the
> > unit will follow.
>
> Jason, I have tested this module myself when I was done making it
>and it does indeed produce a resistance value of 1100 ohm when
>activated.

That sounds about right (from memory)...

> The only thing that I have not tested is if there is enough
>resistance in the longer wires of the module to affect the overall
>resistance signal being input into the CIS-E computer...
>i.e. at startup...the resistance signal from the coolant temp. sender
>now sends its resistance through the wires of the module and back
>to the computer...would this increase the resistance enough to
affect cold startup?  anyone?]

Probably not affecting anything.

>
> I would like to make my fuel module RPM-sensing so that it would
>not "kick-in" until after 5000 rpm or so...where the module *actually*
>seems to help.
> Anyone had luck with a rpm-sensing device?

Built one, slightly buggy.  Decided a chipped Motronic system was
really what I wanted. :)

>
>Jay, as always, thanks for the great analysis and data collection!
>An actual dyno run would be a true end to the questions...
>go for it!  And bring back results we all want to hear!  ; )


I'm hoping to organize a dyno day in Buffalo late this year...maybe
we could all do it?

>
>Good luck!
>
>=====
>- - - - - - - - - - - - - - - - - -
>Benjamin Harder


==Brett

 \/  '84 Scirocco (ITB racer 2B) | "Hot VW's, take two home. They're small"
\/\/ '88 Scirocco 16v (Show), '85 Scirocco (Winter) | - brett@netacc.net

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