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Thread: LS3 LSXHRT 103 Intake and NW 103TB. Fic750cc, GPI NFC4 Trash Idle

  1. #1
    Potential Tuner
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    Aug 2019
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    LS3 LSXHRT 103 Intake and NW 103TB. Fic750cc, GPI NFC4 Trash Idle

    LS3 LSXHRT 103 Intake and NW 103TB. Fic(Connection)750cc, GPI NFC Stage 4 Cam

    Having issues with this setup. I've done a couple of similar setups with no issues. This one is kicking my butt.
    Car wont fire unless full tilt, played with cranking VE and adding airflow on a couple of areas up to 30% w no luck.
    Made sure my injector data input was correct by USB Drive included w injectors and nothing.

    I can get it running but will not idle and or idle very badly. I thought a massive leak was present but my fueling is so off regardless of what I try to add or take away from MAF and VE that I kinda realize it was time to ask for opinions on this one.

    Here is a base file w/Inj data as well as a couple of changes to MAF.SS LSXHRT103 NW103 1.hpt
    Last edited by Lando1500; 06-21-2022 at 05:20 PM.

  2. #2
    Senior Tuner Ben Charles's Avatar
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    Aug 2009
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    Put stock injectors back in with stock data and go from there

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