[BiturboS4] chip poll - Audi World Already Did This - Check the Website - I attached the text in this msg

john sonty erhti at yahoo.com
Wed Sep 11 08:03:44 EDT 2002


Wow, some of those boost #'s look scary...  I'll wait for Tuan's
results.

Tuan, when do you expect to have the #'s available? Or have not
started yet?  And question: how long does the car sit on the
dyno to get accurate #'s, i.e., how many 'runs'??  I know
nothing about how dyno's work.

Thx.

--- jysap at cs.com wrote:
> Tuan,
>
> Why are u re-inventing the wheel? A chip shoot-out for the S4
> has already been done and posted on Audi World's Website. I am
> enclosing the text of that shoot-out in this msg for thos who
> are interested. As a result of this shoot-out, I will probably
> purchase a GIAC chip (plus the GIAC Tip Chip too).
>
> For those who are interested - here is the text from the Audi
> World S4 chip shoot-out.
>
> >
> Chip War #1
>
> Stock Chip (4 runs)
>
> APR Tiptronic Chip (2 runs)
>
> AMS Chip (2 runs)
>
> MTM Chip (2 runs)
>
> GIAC Chip (did not arrive yet)
>
> The Stock chip
>
> As you can imagine, the stock chip performed flawlessly.  We
> ran this chip 4 times to establish a solid baseline figure.
> Because the stock chip was so consistent we are not going to
> report every run. The measured boost levels were extremely
> steady in comparison to the aftermarket chips, which can be
> reflected in the smoothness of the dyno.
>
> Max Boost       Boost at 6500        Intake Temperature
> Coolant Temperature   Measured HP    DTC's
> .64 bar   .52 bar   123.8 degrees Fahrenheit  194 degrees
> Fahrenheit  258
>
> The APR chip
> Following the stock chip was the APR chip.  The APR chip used
> during this run was intended for a tiptronic S4.  According to
> APR, the tiptronic chips are more mild than their standard
> manual S4 chip. Because this chip was for the tiptronic
> transmission, it also set off a couple of DTC’s.
>
> Run #1
>
> Max Boost       Boost at 6500        Intake Temperature
> Coolant Temperature   Measured HP    DTC's
> 1.10 bar  .91 bar  129.2 degrees Fahrenheit  203 degrees
> Fahrenheit  315
>
> Run #2
>
> Max Boost       Boost at 6500        Intake Temperature
> Coolant Temperature   Measured HP    DTC's
> 1.14 bar 1.1 bar  123 degrees Fahrenheit  201 degrees
> Fahrenheit  308 Data bus powertrain-missing msg from trans
> controller.
> Cruise control switch in correct signal sporadic
>
>
>
>
> The AMS chip
> As a point of clarification, many of the S4 owners were under
> the impression that ABT and AMS were one in the same- the AMS
> chip is not an ABT chip, however AMS is the North America
> Distributor for ABT, which is probably the cause of confusion.
>  Marc Kalajian, owner of AMS, is also the chip programmer.
>
> Run #1
>
> Max Boost      Boost at 6500       Intake Temperature Coolant
> Temperature  Measured HP   DTC's
> 1.23 bar 1.01 bar 123.8 degrees Fahrenheit 194 degrees
> Fahrenheit 324
>
> Run #2
>
> Max Boost      Boost at 6500       Intake Temperature Coolant
> Temperature  Measured HP   DTC's
> 1.20 1.09 127.4 degrees Fahrenheit 203 degrees Fahrenheit 318
>
> The MTM chip
>
> The MTM chip is designed and tested in Germany, which is
> distributed by Joe Hoppen/ Hoppen Motorsports in Florida.
> Apparently, to get a perfected chip from Germany, they had to
> send many a version back and forth to get the right
> combination.
>
> Run #1
>
> Max Boost                    1.42 bar
> Boost at 6500                .910 bar
> Intake Temperature    125.3 degrees Fahrenheit
> Coolant Temperature 202.4 degrees Fahrenheit
> Measured HP                325
> DTC's
>
>
> Run #2
>
> Max Boost      Boost at 6500       Intake Temperature Coolant
> Temperature  Measured HP   DTC's
> 1.41 bar 1.00 bar 125.9 degrees Fahrenheit 205.8 degrees
> Fahrenheit 327
>
>
>
> Summary
>
> What we noticed:
>
> 1)       MTM- huge mid-range and peak hp.
>
> 2)       AMS- this chip had one of the smoother curves
> offering solid mid- to upper mid power coming in 2nd for peak
> hp.
>
> 3)       APR- good lower mid-range, a little soft in the upper
> mid RPM’s but not quite as peaky as the other chips.  In all
> fairness, keep in mind that this was a tip-tronic chip.
>
> 4)       Stock- very smooth and predictable.  This chip showed
> us that heat soak was not much of an issue.
>
> 5)      This is the re-test for the GIAC chip was performed at
> UPRD in Huntington Beach,CA.  As you can clearly see it is on
> par with the MTM chip which was again tested during this
> session both at the beginning and end of the session.
>
> Overall Conclusion
>
> After running two different cars and the same chips, we
> definitely found some consistency in performance levels and
> smoothness of the curves.  Most of the chips performed at the
> claimed levels and then some- which in many cases is a tuning
> first.
>
> Of the four chips represented here, we found that MTM or GIAC,
> AMS, and APR (in that order) would be our chip preference.
>
> We applaud all of the chip tuners for their fine efforts and
> hope the fierce competition between tuners results in better
> products for us the consumers.
>
> About The Testing
>
> Surely by the time you read and chat about this article,
> someone will have suggested a better method or way of testing
> and or even try to discard the result of our test. We do not
> proclaim our testing methods as being the holy grail of
> measurements however we feel that we have significantly cut
> down the variables, which would have potentially changed the
> testing results.  It would have been nice to drag this test
> out over a week and mix up the variables, however at a rate of
> $250 per hour on the dyno and a limited budget this is as good
> as its going to get. The results presented here are the REAL
> WORLD results in a tidy package for you the reader to study
> and help determine on which chip is the best for you.  Bottom
> line is these tests are not only accurate but repeatable.
>
> So the results are official and we have two words for you-
> CHIP IT!
>
> Additional Information
>
> UPRD (714) 842-3338
>
> Joe Hoppen Motorsport 941-924-6380
>
> Advanced Motorsport Solutions 949-515-1672
>
> GIAC www.giacusa.com
>
> Audi Performance Racing 1-800-680-7921
>
>
>
>
>
>
>
>
>
> "Tuan Nguyen" <tuan at grdperformance.com> wrote:
>
> >It would be in your best interest to wait for the chip shoot
> out.
> >
> >Tuan
> >
> >
> >-----Original Message-----
> >From: biturbos4-admin at audifans.com
> [mailto:biturbos4-admin at audifans.com]
> >On Behalf Of California Fields
> >Sent: Tuesday, September 10, 2002 3:40 PM
> >To: biturbos4 at audifans.com
>
=== message truncated ===


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