need help tuning
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This is a discussion on need help tuning within the Tuning: Electronic Engine Management forums, part of the Tech & Modifying & General Repairs category; Ok so I'm stage 2 full invidia turbo back n1 race and aem cai. I have a Cobb ap. So ...

  1. #1
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    need help tuning

    Ok so I'm stage 2 full invidia turbo back n1 race and aem cai. I have a Cobb ap. So I went to Cobb and downloaded their aem stage 2 tune. Did some Guage watching lol and realize I'm only making around 15psi. Is about 2 psi from what they say so I downloaded and flashed Cobbs high waste gate. Did some test pulls and it peaks around 18 psi... Well it looks good but the car doesn't like it and bogs hard. I was wondering what's yalls opinion on what do to. What sparks this thread is because my buddy just got a new motor put in and is running the Cobb stage 2 with the Cobb short ram intake and he can do a pull at 19psi. But the weird thing is, is that the car has no bog is a smooth gradual increase in boost in 5th. So what is it that makes his so much smoother? Is it the short ram or what? Should I try his tune?

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  3. #2
    Registered User Ruh Roh's Avatar
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    well if hes cobb stage 2 and youre cobb stage 2 its the same OTS tune. what gear are you doing the pull for logging in? upload the log files to google docs and make it public then post the link here so members can see how your car is reacting to the tune.
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  4. #3
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    sti peaks at 15psi in Sport, S# gets u to 19

    if you've got S drive I'd try to go back to reg waste gate tune and try your pulls in S#

  5. #4
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    Quote Originally Posted by Ruh Roh View Post
    upload the log files to google docs and make it public then post the link here so members can see how your car is reacting to the tune.
    I have 3rd, 4th, and 5th gear pulls ill post all of them. there's quite a bit of items i logged so just let me know what you would need me to log to get a better look at things.
    here's a 5th gear pull - https://docs.google.com/spreadsheet/...lE&usp=sharing
    hear's a 4th gear pull - https://docs.google.com/spreadsheet/...kE&usp=sharing
    hears a 3rd gear pull - https://docs.google.com/spreadsheet/...1E&usp=sharing

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