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Thread: Looking for help 03 6.0 powerdyne supercharger

  1. #1
    New Member
    Join Date
    Sep 2010
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    4

    Default Looking for help 03 6.0 powerdyne supercharger

    Buddy has EFIlive for his duramax, but will help me tune my 03 denali awd 6.0.
    he has no idea how to tune it nor do i. any help would be great!!
    Motor is stock. cat back exhaust, and a powerdyne 6 psi supercharger.

    If anyone can help just let me know what you need to know
    thanks

  2. #2
    Joe (Moderator) joecar's Avatar
    Join Date
    Apr 2003
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    27,752

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    Hi oldblue,

    Welcome to the forum

    A starting point is reading the "What to Tune Steps" links >here<.

    A wideband is required, especially with boost.

    Generally, these steps are required:
    - correcting the VE table to match engine's air input ability (isolate to run from VE only and apply wideband correction);
    - correcting the MAF table to match ditto (isolate to run from MAF only and apply wideband correction);
    - correcting idle air/speed (various tables including throttle cracker/follower).

    During load, do not allow AFR to go lean and do not over-advance timing.

    People with specific supercharger experience will chime in.

  3. #3
    Senior Member
    Join Date
    Dec 2007
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    191

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    What injectors have been installed? Keep the timing under load at 11-12 degrees to be safe at 1st not good for power but if it is lean you have less chance of hurting the motor.
    David McLain
    www.etdrag.com

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