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4 Stroke Performance

  1. 4 Stroke Turbos/Supercharger

    Lets talk Turbos and Supercharger....
    Discussions:
    7,165
    Messages:
    71,780
    Latest: MPI supercharger pulleys taylor lemke, Jan 18, 2017 at 9:25 AM
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  2. 4 Stroke Nitrous

    Lets Talk Nitrous....
    Discussions:
    383
    Messages:
    3,409
    Latest: any engine failures? 87gtNOS, Feb 4, 2016
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  3. 4 Stroke Air Intake

    Post all of you Air Filter questions, EVAC and mods to filters....
    Discussions:
    388
    Messages:
    4,066
    Latest: Air box mod apex Darren Betker, Jan 17, 2017 at 10:45 PM
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  4. Dyno Feedback

    Find Dyno results, dyno talk and more...
    Discussions:
    12
    Messages:
    106
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  5. RB3, PCIII, other EFI Maps

    A place for members to down load and share a EFI maps
    Discussions:
    169
    Messages:
    885
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