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Thread: 2001 grand prix GT swapped and modified.

  1. #1
    Potential Tuner
    Join Date
    Aug 2019
    Posts
    1

    2001 grand prix GT swapped and modified.

    I am going to skip the long history I have had with this car unless you need to know. But it is a 2001 grand prix GT. It is L67/HD swapped, XP cam and everything zzp recommended to go with it, plus short stack, 42 injectors, Lq4 MAF, N* TB. Plus port work, exhaust intake etc. It ran decent with the box tune i got before the IC and N* TB upgrades. I had someone local tune it but it has been problematic since. most of the time i have to hold the gas pedal for it to start and run, it doesn't seem to matter if its hot or cold. It runs smooth though. My AFR is around 12 WOT. I am having issues with my personal skillset with everything computer related, I have been trying to find a bin file for the MAF or even better a similar build so I am at least in the ballpark before making adjustments. No luck. any direction or help is greatly appreciated.

  2. #2
    Tuner ZeroBoostBuick's Avatar
    Join Date
    Aug 2008
    Location
    S.W. Ontario Canada
    Posts
    182
    Here is a tune from the repository that has a NorthStar Throttle body among many other mods....

    03-GrandPrix-GTP-modded-Tuned.hpt

  3. #3
    Potential Tuner
    Join Date
    Aug 2019
    Posts
    4
    following. I have similar mods and similar issues