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need help driveability issue!!!!

This is a discussion on need help driveability issue!!!! within the Computer & Tuning forums, part of the LSx Technical Help Section category; i have 98 z28 texas speed ms3 and 5.3 cyl heads stage 2.5, longtubes,ls6 intake, various other bolt ons. when ...

  1. #1
    Junior Member
    Join Date
    Sep 2007
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    missouri
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    white
    98 camaro z28

    Angry need help driveability issue!!!!

    i have 98 z28 texas speed ms3 and 5.3 cyl heads stage 2.5, longtubes,ls6 intake, various other bolt ons. when i reach 2800-3000 rpms fuel trim goes
    really lean +25 car runs like ass i still have stock fuel injectors walbro
    fuel pump any ideas greatly appreciated

  2. #2
    Senior Member mrr23's Avatar
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    orlando, fl
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    dark bowling green
    2000 corvette

    what tuning software are you using?

  3. #3
    Junior Member
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    white
    98 camaro z28

    i have had it tuned by kieth mcord

  4. #4
    Member
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    Somewhere in Colorado
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    Hugger Orange
    1999 Camaro SS

    Calling Keith is in order... Or you can email me your bin file I would richen you up in those areas + check out the tune in general, just need to re flash it in..

    Clint
    99' HUGGER ORANGE CAMARO SS Car#1302
    347ci Forged, Hotcam, Stock Ported Heads, Procharger D-1SC 15psi

    742RWHP 726RWTQ

  5. #5
    Junior Member
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    white
    98 camaro z28

    yeah but it doesn't do it consistently

  6. #6
    Junior Member
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    East Central Florida
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    Silver/Black
    2002 Camaro SS Cnvt

    Ported MAF? K&N? Original factory fuel filter?

  7. #7
    Junior Member
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    white
    98 camaro z28

    stock maf new fuel filter, it does have K&N but have had that ever since i
    bought the car 4 years ago

  8. #8
    Junior Member
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    Silver/Black
    2002 Camaro SS Cnvt

    I would douche her then, the K&N oil mist will drift the MAF
    output over time. QD contact cleaner at Home Depot in the
    electrical dept, or something like that.

  9. #9
    Junior Member
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    white
    98 camaro z28

    well took your advice and cleaned maf so far so good thanks for the tip i will inform if it
    screws up again

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