NefMoto > Noob Zone > Noob Questions (Moderator: turboat) > Audi tt boost issue
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Author Topic: Audi tt boost issue  (Read 2091 times)
8951ben
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« on: July 10, 2021, 03:33:28 AM »
Hi not sure if anyone can help. I have an audi tt bam engine with a stage 2 tune I get over boost of 21psi then drops suddenly to 16psi I have logged maf using vcds (3rd gear pull ) to redline I only get 206gs. I was expecting more with my mods. I have decat and scorpion catback proram filter oversize tip big front mount and forged rods. Is this normal boost behaviour for this type of tune or should I hold higher boost for longer
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Sandstorm3k
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« Reply #1 on: July 10, 2021, 06:26:19 AM »
These small framed turbo's don't make any useful power at or near redline i believe K04 023 holds a bit better boost up top compared to a K03s but definitely not until 7000rpm.
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_nameless
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« Reply #2 on: July 10, 2021, 06:32:40 AM »
Quote from: 8951ben on July 10, 2021, 03:33:28 AM
Hi not sure if anyone can help. I have an audi tt bam engine with a stage 2 tune I get over boost of 21psi then drops suddenly to 16psi I have logged maf using vcds (3rd gear pull ) to redline I only get 206gs. I was expecting more with my mods. I have decat and scorpion catback proram filter oversize tip big front mount and forged rods. Is this normal boost behaviour for this type of tune or should I hold higher boost for longer
how about data logs?
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nyet
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« Reply #3 on: July 10, 2021, 08:53:16 AM »
Quote from: 8951ben on July 10, 2021, 03:33:28 AM
Hi not sure if anyone can help. I have an audi tt bam engine with a stage 2 tune I get over boost of 21psi then drops suddenly to 16psi I have logged maf using vcds (3rd gear pull ) to redline I only get 206gs. I was expecting more with my mods. I have decat and scorpion catback proram filter oversize tip big front mount and forged rods. Is this normal boost behaviour for this type of tune or should I hold higher boost for longer

did you check the compressor map for your turbo before deciding on a boost level to use?
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ME7.1 tuning guide
ECUx Plot
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Trim heatmap tool

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
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