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Sport quattro MAF on ebay

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Old 02-24-2003, 06:37 PM   #1
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Default Sport quattro MAF on ebay

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Old 02-25-2003, 08:42 AM   #2
Jim
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Default Not so fast, tiger...

...If you could actually read German instead of having to rely on crappy translator software, you'd realize that it clearly states that the unit is defective. Good luck trying to fix it.

Also, IIRC, the SQ MAF is the same as the BMW M5 MAF, so don't pay too much of a premium for what is basically a mass-produced product used in a limited run vehicle. Happens frequently, for another example, the Audi RS2 MAF is the same as the Porsche 968 MAF, which is actually cheaper than the stock Audi UrS4/S6 MAF. Frankly, I don't understand the difference in pricing, as both use the same housing. The screen is a bit different and electronically they differ, but from a pure production standpoint, I don't see what makes building one different from the other. Production runs are probably simiar too.

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Old 02-25-2003, 12:04 PM   #3
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that mean we can use the 968 MAF instead?
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Old 02-25-2003, 12:55 PM   #4
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Default Instead of the RS2, yes, they are identical.

However if you just plug it into your car it will not work correctly. You need to also change the Injectors, FPR, software at the same time.
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Old 02-25-2003, 02:28 PM   #5
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Default Sorry buddy, i was just trying to keep an eye out for some 20vT owners.

Won't make mistake twice.
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Old 02-25-2003, 02:39 PM   #6
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Oh, I hear you, but your info was misleading. No worries, I'm looking out too...
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Old 02-25-2003, 02:52 PM   #7
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Default Jim, educate me.

I figured FPR is fuel pressure regulater. This has to be change to stay up with larger RS2 injectors. But what software has to be changed. Are we talking like some of the MTM upgrades? Or are we taking about some software to work with the 968 MAF?

Thank you.
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Old 02-26-2003, 07:53 AM   #8
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Default Edumacation right here...


Here are the Cliff Notes of UrS4 engine tuning. There are three basic levels of chip (software) tuning:

Chip #1: this is for an otherwise stock motor.

Chip #2: this is for use with an RS2 turbo and exhaust manifold (EM).

Chip #3: this is for use with an RS2 turbo, EM, injectors, MAF (968) and FPR.

These chips are available from a couple of different vendors (Hoppen/MTM, Intended Acceleration, etc.). That's it. Mixing and matching generally isn't recommended. The above "recipes" are plug and play. Anything beyond what you see above falls into the "Advanced" category, which requires LOTS of knowledge, trust, money, and perhaps risk (not necessarily in that order).

To specifically answer your question, you will need a chip (two actually) to run different injectors and MAF. Some folks say it's okay to run just injectors, just a MAF, or skip the FPR. Porsche disagrees and so do I. In for a penny, in for a pound.

Find a tuner, figure out what software you want to run, and then match your hardware to the software. Each program is written for one specific hardware setup; don't deviate. Don't buy chips of eBay. Don't buy chips from you-know-who. Search the archives of the S-Car list for more information.

Cheers,

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Old 02-26-2003, 08:48 AM   #9
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I concur fully (as usual when Jimmy P is involved)
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Old 02-26-2003, 03:02 PM   #10
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Thanks Jimmy and Jim. That's is what I wanted to know.
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