[BiturboS4] chip poll - Audi World Already Did This - Check the
Website - I attached the text in this msg
Rich Shiba
rich at pdi.com
Wed Sep 11 10:57:13 EDT 2002
Any idea what drivetrain loss factor they used? Odd that they chose not to
publish actual hp numbers from the dyno (rear wheels) along with everything
else.
-rich
On Wed, 11 Sep 2002 jysap at cs.com wrote:
> Tuan,
>
> Why are u re-inventing the wheel? A chip shoot-out for the S4 has already b=
> een done and posted on Audi World's Website. I am enclosing the text of tha=
> t shoot-out in this msg for thos who are interested. As a result of this sh=
> oot-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 s=
> o consistent we are not going to report every run. The measured boost level=
> s were extremely steady in comparison to the aftermarket chips, which can b=
> e reflected in the smoothness of the dyno.
>
> Max Boost Boost at 6500 Intake Temperature Coolant Temperatur=
> e 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 r=
> un 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=E2=80=99s.
>
> Run #1
>
> Max Boost Boost at 6500 Intake Temperature Coolant Temperatur=
> e Measured HP DTC's
> 1=2E10 bar .91 bar 129.2 degrees Fahrenheit 203 degrees Fahrenheit 315
>
> Run #2
>
> Max Boost Boost at 6500 Intake Temperature Coolant Temperatur=
> e Measured HP DTC's
> 1=2E14 bar 1.1 bar 123 degrees Fahrenheit 201 degrees Fahrenheit 308 Dat=
> a 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 impressio=
> n that ABT and AMS were one in the same- the AMS chip is not an ABT chip, h=
> owever AMS is the North America Distributor for ABT, which is probably the =
> cause of confusion. Marc Kalajian, owner of AMS, is also the chip programm=
> er.
>
> Run #1
>
> Max Boost Boost at 6500 Intake Temperature Coolant Temperature =
> Measured HP DTC's
> 1=2E23 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=2E20 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 chi=
> p from Germany, they had to send many a version back and forth to get the r=
> ight 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=2E41 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=E2=
> =80=99s but not quite as peaky as the other chips. In all fairness, keep i=
> n 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 Hunt=
> ington Beach,CA. As you can clearly see it is on par with the MTM chip whi=
> ch was again tested during this session both at the beginning and end of th=
> e session.
>
> Overall Conclusion
>
> After running two different cars and the same chips, we definitely found so=
> me consistency in performance levels and smoothness of the curves. Most of=
> the chips performed at the claimed levels and then some- which in many cas=
> es 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 fierc=
> e competition between tuners results in better products for us the consumer=
> s=2E
>
> 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 hol=
> y 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 va=
> riables, however at a rate of $250 per hour on the dyno and a limited budge=
> t this is as good as its going to get. The results presented here are the R=
> EAL WORLD results in a tidy package for you the reader to study and help de=
> termine 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
> >Subject: [BiturboS4] chip poll
> >
> >[ Converted text/html to text/plain ]
> >
> >I'm curious to see what chips you guys are running. =C2=A0Let's take a
> >poll...
> >
> >I'm running stock but leaning towards an APR, with GIAC in second place.
> >------------------------------
> >Carter Fields - San Francisco
> >'01 santorin blue
> >stock (not for long!)
> >
> >------------------------------------------------------------------------
> >------
> >Chat with friends online, try MSN Messenger: Click Here[1]
> >
> >=3D=3D=3DReferences:=3D=3D=3D
> > =C2=A01. http://g.msn.com/1HM1ENUS/c144??PS=3D47575
> >
> >_______________________________________________
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> >
> >
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