HELP having some issues with tuning
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This is a discussion on HELP having some issues with tuning within the Tuning: Electronic Engine Management forums, part of the Tech & Modifying & General Repairs category; Im lost someone please help here is my log https://docs.google.com/file/d/0B_Tc...it?usp=sharing...

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    HELP having some issues with tuning

    Im lost someone please help here is my log

    https://docs.google.com/file/d/0B_Tc...it?usp=sharing

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    Quote Originally Posted by thatguy00 View Post
    Im lost someone please help here is my log

    https://docs.google.com/file/d/0B_Tc...it?usp=sharing
    You need to make the document public. Can't see it.

    What are your issues? Explain what's going on...need more than just a log to go on here.
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    oops sorry i forgot to change the file to public.

    the issue im having is not hitting target boost and when i do hit that target boost it will not hold the needle bounces drops 5-7psi then bounces back up then back down. Mods are ebay solid up pipe catless down pipe and nameless exhaust, GM BCS, tuned down the WGDC about 27% to support the mod. the rom im using is OSecuroms & XPT Tuning • Login If you look at the log you can see it hits very high drops then builds back up.

    I first though it was a boost leake but was able to get the boost stable using the factory tune and a MBC would hold 13psi strong. I have replaced all of the vacume lines. I have the same boost issue on the Factory Boost solenoid. this leads me to think it has something to due with tuning.

  5. #4
    zax
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    You haven't really logged useful information.

    Please log:

    IAM
    FBKC (feedback knock correction)
    FLKC (fine learn knock correction)
    Manifold Relative Pressure (corrected)
    Throttle Position

    Also, please provide more information such as year and model of your car. What ROM are you actually running? Send me the ROM. Did you actually tune for the GM EBCS or did you just drop the stock WGDC down to 27% of the regular value? Did you tweak the turbo dynamics tables?
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    I tried to tweak the tables but only minor because what i read on Naisoc it didnt need to be a large change that could be wrong. I will logg those fields when i go home tonight and post. here is the romhttps://docs.google.com/file/d/0B_Tc9nx8wwAiRHpJLVJmTUhnT28/edit?usp=sharing

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    zax
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    Quote Originally Posted by thatguy00 View Post
    I tried to tweak the tables but only minor because what i read on Naisoc it didnt need to be a large change that could be wrong. I will logg those fields when i go home tonight and post. here is the romhttps://docs.google.com/file/d/0B_Tc9nx8wwAiRHpJLVJmTUhnT28/edit?usp=sharing
    Uh, unless you have a map for the GM boost solenoid, you will need to flash, tweak, flash, tweak, flash, tweak.... Play around with WGDC and Turbo Dynamics.

    No offense, but it sounds like you might not understand tuning... it takes a LOT of practice and a LOT of reading. I would honestly take your car to a tuner.
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