S4 / RS4 (B5 Platform) Discussion Discussion forum for the B5 Audi S4 & RS4 produced from 1998-2002

so, what kind of boost and timing are people with K04's running???? did some loggin with new turbos

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Old Aug 30, 2003 | 08:28 PM
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Default so, what kind of boost and timing are people with K04's running???? did some loggin with new turbos

did some logging with my stock turbos and timing is my problem, and limiting boost. it is pulling my timing back as soon as i begin to boost. don't have any graphs, but it is pulling it back as far as -3, but stayed around 6 while on boost. plus it limited boost to about .6/.7 bar.

then i swapped in an AMS chip. let it adapt a little and hit the freeway. instantly boosted much much more, 1.3/1.4 consistantly. and it wasn't pulling my timing back near as far. felt very very quick, but now i need a new clutch, hehe.

also, how many people have got the DTC that the MAF can't flow that much air?? isn't this common??
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Old Aug 30, 2003 | 09:15 PM
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Default Look to decrease presure losses and IAT...By doing so

the ECU will not pull back the timing as much.
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Old Aug 31, 2003 | 08:30 AM
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Default What year is your car? Do you have a bosch MAF?

Are you using the K03 software with K04's? If you have the Bosch MAF I think I can help prevent the MAF from maxing out.
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Old Aug 31, 2003 | 09:48 AM
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2001.5, i have a hitachi? is the bosch any better?
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Old Aug 31, 2003 | 10:05 AM
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Default No its not better it's worse. The only good thing is that I have

an extra RS4 housing that will fit the S4 bosch MAF. By installing the RS4 airbox, housing & a MAF recalibrater (split second) you could fix the maxing out problem. Sorry but my idea won't work on your car.
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Old Aug 31, 2003 | 10:25 AM
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oh, ok, thanks anyways
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