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2000 A6 4.2 Turbo

Old 08-28-2008, 01:12 PM
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Default 2000 A6 4.2 Turbo

Hello everyone,
I am a student in the motorsports program at UNC Charlotte . I have a senior design project and was considering turbo charging my 2000 audi a6 4.2. It would be similar to a STS setup with a remote mount turbo, possibly where the OEM mufflers are mounted. I am trying to do some research to see if this would be possible. Is it possible to tune the stock ECM to work with a turbo? I do not know of any tuning software available. Are there any aftermarket companies that could custom program an Audi ECU? Any information or ideas would be helpful. Thank You
Old 11-10-2008, 11:37 PM
ImTheDevil's Avatar
Join Date: Jul 2006
Location: Binghamton, NY
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Any way you slice it, you're going to PAY big-time. Most likely, since a boosted 4.2 isn't used by Audi anywhere, you're gonna be switching to standalone engine management (and all the associated parts that are required for tuning such a setup). You may want to look into a different project. You could do it with piggyback controllers (Rebic III, S-AFC, etc) and probably make it decent, but you're not likely to maintain the smoothness of the car in its current form. It's more likely to turn into a temperamental animal. Still, if you don't mind that, go for it - someone having the ***** to forge ahead like that is what enables everyone to buy such parts for their own cars later on.
Old 11-11-2008, 10:44 AM
Mike-2ptzero's Avatar
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Join Date: Apr 2008
Location: Phoenix, Arizona area
Posts: 3,274

You might be able to find a tuner that would be willing to do a tune on your car that would match a tune for the twin turbo 4.2 liter RS6 which it seems upstateNYA4 completely forgot about.

BTW the RS5 proto type from Audi also used a twin turbo 4.2 liter V8.

Last edited by Mike-2ptzero; 11-11-2008 at 10:52 AM.
Old 11-26-2008, 10:05 AM
2nd Gear
Join Date: Dec 2006
Posts: 666

Originally Posted by ImTheDevil View Post
...since a boosted 4.2 isn't used by Audi anywhere...
A-ha, that explains it! I always wondered why they put gerbils under the hood of an RS6!
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