No subject

for altitude, but the correction factor is for a N/A
car, not a turbo car.

Anyone want to clear me up on this?

Joe
--- Scott Munger <mungerts at npgcable.com> wrote:
> You're my hero (as are all the folks who contributed
> to your car).
> With your Happer-turbo, when does the boost come on?
>  Does the smaller
> turbine reduce lag noticably?
>
> --Scott Munger
> '93 S4
> '97 Cabriolet
>
>
>
> > -----Original Message-----
> > From: s-car-list-admin at audifans.com
> > [mailto:s-car-list-admin at audifans.com]On Behalf Of
> CaptMagu at aol.com
> > Sent: Wednesday, June 11, 2003 7:02 AM
> > To: s-car-list at audifans.com
> > Subject: [s-cars] ASW, AWDD, 402.4HP, ATW, NCFS,
> O91OPG(long)
> >
> >
> > --
> > [ Picked text/plain from multipart/alternative ]
> > s-heads
> >
> > Well, yesterday was a long day. It was finished
> off with me
> > giving Dave Jones
> > a well earned golf lesson at an indoor video
> feedback golf
> > club I belong to.
> > It started off at Autosport Werks yesterday
> afternoon with
> > the Happersized
> > machine finally finding its way on to their AWD
> dyno. The
> > subject line at the top
> > says it all. At the Autosport Werks all-wheel
> drive dyno we
> > pulled 402.4 hp
> > at the wheels not corrected for snot on 91 octane
> pump gas.
> > Torque came to 393
> > ft lbs.
> >
> > Conditions were hardly ideal which was just fine
> with me.
> > Dave was a bit
> > concerned because the temperature at the time of
> the run was
> > 84 F. Factoring all
> > the other weather factors, the desity altitude
> worked out to
> > about 8500 ft. Did
> > I mention that the conditions were not ideal?
> >
> > Thanks for this effort have to go out to of course
> Dave Jones
> > and all the
> > guys at ASW. He built this engine and has been
> responsible
> > for almost all of the
> > custom fabrication work that goes into making
> something that
> > hasn't been made
> > before. More thanks also go out to Mike Pederson
> who has been
> > on a similar and
> > often parallel track to mine. We have shared all
> our trials
> > and failures. A
> > final thanks to Jim Latour, the owner of Turbo
> Engineering,
> > TEC, that built my
> > turbo and provided the Garrett intercooler core.
> >
> > My turbo is a TA34/T04E 54 trim Garrett hybrid
> with a 360
> > degree thrust
> > bearing. No, its not a ball bearing type and it
> has a smaller
> > turbine section than
> > most of the larger turbos. This has caused some
> challenges
> > mainly in the area
> > of wastegate float. That's why I run a large
> double WG spring
> > and use my Apexi
> > AVC R to hold back the boost pressure. Matched up
> with this turbo is a
> > standard RS2 exhaust manifold. The boost curve for
> all 6 runs
> > were just beautifully
> > smooth. No sharp angles and really reaffirmed for
> Dave just
> > how nice the Apexi
> > performs.
> >
> > Well, what happened on the dyno? The first run was
> setup with
> > the Apexi on
> > low boost or 24 psi. The car pulled 382hp with
> some very
> > interesting fuel issues
> > exposed. The mixture curve had us going rich
> between 3500 and
> > 5000 rpm and
> > right on from there to red line. A couple of more
> runs at
> > high boost or 27 psi
> > brought on a turbo surge that I really had not
> experienced
> > with street driving.
> > The fuel curve gave away the surge gremlin as rich
> mixture.
> > We swapped in
> > another ECU with some secret software compliments
> of Mike
> > Pederson and we ran
> > 391hp on high boost. The mixture was still a
> little rich
> > passing mid range so we
> > backed off the fuel pressure and voila, the final
> run gave us
> > 402.4 with the
> > mixture still showing some richness in the mid
> range and
> > right on beyond that.
> > Is there more power on the table? You betcha. We
> will be
> > developing the SW to
> > compensate for the richness issue and we continue
> to work on the surge
> > gremlins. The turbo performed flawlessly and the
> FMIC did a
> > remarkable job keeping
> > the charge air cool despite the conditions. I did
> splash the
> > FMIC with water
> > between runs to alleviate the heat soak off the
> engine and
> > turbo. Dave reported
> > intake air temps right at the ambient temp for all
> runs.
> >
> > Are there issues with driving this car on the
> street? Yes, a
> > couple. When I
> > shift the bypass valve trumpets like a WRC rally
> car. The
> > Honda crowd goes wild
> > when they hear it. With the turbo under load
> climbing an
> > incline and backing
> > off rapidly on the throttle there is a surge that
> occurs.
> > Beyond that it
> > drives like a normal s-car with a little more
> oomph. Is it
> > fun? Oh yeah. That's all
> > for now but stay tuned for more.
> >
> > Hap, livin large in Everboost, Maguire
> >
> > _______________________________________________
> > S-CAR-List mailing list
> > S-CAR-List at audifans.com
> >
> http://www.audifans.com/mailman/listinfo/s-car-list
> >
>
>
>
> _______________________________________________
> S-CAR-List mailing list
> S-CAR-List at audifans.com
> http://www.audifans.com/mailman/listinfo/s-car-list


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The preceding statement is true.
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