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Old 04-15-2002, 08:33 PM
MoreIBNR MoreIBNR is offline
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OT - Audi 1.8T

Guy at work just bought a 1999 Audi A4 1.8T. Says the engine puts out 150 hp (I forget the torque figure) but with an aftermarket computer chip, the HP goes to 200 and the torque goes to 245 lb-ft. This sounds like an unbelievable increase just from a software upgrade and no hardware changes.

Does anyone out there have any idea how they accomplish this? Or is this a scam?
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Old 04-15-2002, 09:47 PM
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Umm...doubt it...the largest gain i ever heard of simply from a chip was 20hp. To get 50hp the factory would have had to detune the engine massively, and then it would get horrible gas mileage.
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Old 04-15-2002, 10:17 PM
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That number is very real. I always thought the 1.8T's had 180 hp to start with, though. But yes, it does bump the hp number up to 200... not sure about torque. It wsa big news with the New Beetle owners, because the new beetle has the same engine as the 1.8T. After getting a chip, the turbo beetle gets the same power increase to 200.
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Old 04-15-2002, 11:58 PM
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Re: OT - Audi 1.8T

Quote:
Originally posted by MoreIBNR
Guy at work just bought a 1999 Audi A4 1.8T. Says the engine puts out 150 hp (I forget the torque figure) but with an aftermarket computer chip, the HP goes to 200 and the torque goes to 245 lb-ft. This sounds like an unbelievable increase just from a software upgrade and no hardware changes.

Does anyone out there have any idea how they accomplish this? Or is this a scam?
Check out www.audiworld.com

They will give you more than enough info on that audis.

Lwin
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Old 04-16-2002, 04:50 AM
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That number is real!

Early 1.8T's were 150hp in all applications (transverse (Golf, Beetle, Jetta, exc. TT) and longitudinal (A4, Passat)). They were later boosted to 170 and 180 hp (and 225hp in TT) depending upon vehicle. Chips from Neuspeed, APR, Autothority, Wetterauer, TAP, GIAC and others take the hp up to 200-210 and torque from 150-170 to 245 ft. lbs. This engine is massively detuned from the manufacturer.

My daily driver is a 2001.5 1.8T 5 speed VW Passat Variant (aka station wagon)
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Old 04-16-2002, 06:19 AM
MoreIBNR MoreIBNR is offline
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Anybody have a clue as to how this actually works? I was under the impression that the chip (software) would deal with fuel mixture, ignition and trans shift points with an automatic. None of these sound (to my inexperienced ears) to be able to deliver that kind of boost without changing cams, etc.

Thanks.
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Old 04-16-2002, 07:20 AM
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Quote:
Originally posted by MoreIBNR
Anybody have a clue as to how this actually works? I was under the impression that the chip (software) would deal with fuel mixture, ignition and trans shift points with an automatic. None of these sound (to my inexperienced ears) to be able to deliver that kind of boost without changing cams, etc.

Thanks.
In a normally-aspirated engine, you're right - chips can't do too much because you need more air to produce more power.

But it's a little different on a turbo car because the machinery to get more air into the engine is there. The boost can be turned up, stuffing in more air and producing more power.
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Old 04-16-2002, 11:48 AM
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Quote:
Originally posted by Mr. Pockets


In a normally-aspirated engine, you're right - chips can't do too much because you need more air to produce more power.

But it's a little different on a turbo car because the machinery to get more air into the engine is there. The boost can be turned up, stuffing in more air and producing more power.
Is there a trade-off? Will the engine self-destruct sooner? Will the tranny (automatic) die early? Will the turbo melt down?
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Old 04-16-2002, 11:58 AM
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Quote:
Originally posted by MoreIBNR


Is there a trade-off? Will the engine self-destruct sooner? Will the tranny (automatic) die early? Will the turbo melt down?
I imagine you risk a lot of things, which is why the manufacturer had it turned down in the first place.
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Old 04-16-2002, 12:55 PM
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The more pressure you force into a turbo engine, the quicker things are going to go wrong. That's why i have always looked at turbos as a last resort way of adding HP.
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Old 04-16-2002, 01:36 PM
Red SVX 92 Red SVX 92 is offline
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The more power you get out of the car, the less reliable it will be, in general. In particular, any modification that will substantially increase your power will also increase the load on those parts. It's why you have to upgrade other engine components along with it, in order to handle the load better.
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Old 04-16-2002, 02:54 PM
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Re: OT - Audi 1.8T

Quote:
Originally posted by MoreIBNR
Guy at work just bought a 1999 Audi A4 1.8T. Says the engine puts out 150 hp (I forget the torque figure) but with an aftermarket computer chip, the HP goes to 200 and the torque goes to 245 lb-ft. This sounds like an unbelievable increase just from a software upgrade and no hardware changes.

Does anyone out there have any idea how they accomplish this? Or is this a scam?
my friend has this exact car. He got the chip and it DID boost the car up that much. Only this was about a week after he had it installed, one of his turbos blew up. No joke. He's not sure if it was the result of the chip or if it was something wrong from the factory. He put his old chip back in and they replaced the turbo because it was under warantee. He's not sure if he wants to put the chip back in or not now...but everyone on the Audi forum that has this chip says they've had no problem w/ it. So, I guess it's up to you if you want to do it, but it does make that HP.
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Old 04-16-2002, 02:59 PM
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Re: Re: OT - Audi 1.8T

ok, he has the s4, 2.7t, sorry about that.

I'm talking to him now, he just got it back and the shop says there was a defect in his original turbo, so he's putting the chip back in

he got the chip from :
www.dynospotracing.com
and it's a giac chip

hope that helps you some
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Old 04-16-2002, 04:05 PM
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This is the case with the 1.8T. It is detuned so its not a direct competitor to the 2.8L V6. The 2.8 is detuned so that its not in direct competition with the 2.7T engine.

hope that helps.

-Mike
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