[s-cars] 80tq: Dyno Run Update

mlp qwest mlped at qwest.net
Fri Jul 11 10:42:05 EDT 2003


This is a multi-part message in MIME format.
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Javad - do you have any guess as to how your numbers might scale if boost
were pushed to @ 26 to 27 psi?  I see the torque and hp peaks were located
at @ 4,300 and 6,100 rpm.  Does the dyno you use also provide a boost chart
to go with the torque / hp curves?

Hap has seen @ 404 SAE peak hp at the wheels with his set up, but that's
pushing, IIRC, @ 26 to 27 psi at the peak which, IIRC was some where in the
4200~4400 rpm range.  For some unknown reason :-), his turbo seems to be
able to keep up with that kind of delivery volume level even as his rpm
rises past 6500 rpm.

I take it the -1 psi, but +26 hp in the latest run over you August 2002
results must be largely attributed to the new, "Stage II" intercooler setup?
FWIW, we hope to see if there is a measurable difference between the
attached .... well, sometime.  What were the dimensions on the previous
Stage 1 IC?  It looks to me like your stage II version now has @ 21 charge
air passages in it, vs. @ 10 if I'm counting correctly in the earlier
version.  Core "flow" lengths look to be about the same, ? 19"?

In any event, congratulations.

Mike

~-----Original Message-----
~From: JShadzi at aol.com

~
~--
~[ Picked text/plain from multipart/alternative ]
~Hello all, hit the rollers yesterday with the new 034efi Stage II system,
~basically 256whp at 17psi, that's 25more hp with 1psi less boost
~than the last
~time I hit the rollers. And yes, 80tq now has more hp at the
~wheels than a S4tt
~has at the crank =)
~
~Details and analysis here:
~
~<A HREF="http://www.80tq.com/Dyno.html">http://www.80tq.com/Dyno.html</A>
~
~Javad
~80tq.com
~
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