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Thread: 1227727 1227730 ECM Information $A1

  1. #1
    RIP EagleMark's Avatar
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    1227727 1227730 ECM Information $A1

    1227727 ECM Information $A1 1991 - 93 J & L & W Cars LH0 3.1L V6

    1227730 ECM Information $A1 1991 - 93 F Cars LHO 3.1L V6

    *Work in Progress!*

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
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  2. #2
    RIP EagleMark's Avatar
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    TunerPro Definition files for 1227727 1227730 $A1

    TunerPro Definition files for 1227727 1227730 $A1
    Attached Files Attached Files

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  3. #3
    RIP EagleMark's Avatar
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    Bin files for the 1227727 1227730 $A1

    Bin files for the 1227727 1227730 $A1

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  4. #4
    RIP EagleMark's Avatar
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    1227727-$A1 Wiring Diagrams

    1227727-$A1 Wiring Diagrams
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    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  5. #5
    RIP EagleMark's Avatar
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    1227727 1227730 $A1 Disassembly hack

    1227727 1227730 $A1 Disassembly hack
    Attached Files Attached Files

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  6. #6
    RIP EagleMark's Avatar
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    1227730 $A1 Wiring Diagrams

    1227730 $A1 Wiring Diagrams
    Attached Images Attached Images

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  7. #7
    RIP EagleMark's Avatar
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    $A1 Hac disassembly 1227727 1227730 ECM

    $A1 Hac disassembly 1227727 1227730 ECM
    Attached Files Attached Files

    1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
    1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
    -= =-

  8. #8
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    updated XDF.

    EDIT by EagleMark: Thanks Robert!

    This is awesome work and the XDF you would want to use for $A1.
    Attached Files Attached Files
    Last edited by RobertISaar; 03-28-2014 at 07:19 PM.
    1995 Chevrolet Monte Carlo LS 3100 + 4T60E


  9. #9
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    updated XDF, couple of small AE related changes:

    F104 is actually against coolant temp, not startup coolant temp

    added this desctiption to other two related tables;
    used during air/fuel timeout fueling modification

    Scaling Factor for AE Pulse Width Calc (KAEOPT)
    used for global changes to AE pulsewidth



    KAEOPT is what is used to determine the base PW for AE by taking the required fuel calculation(for normal injector pulses) and is multiplied by the scaling factor to create the base AE pulsewidth. bigger numbers = bigger AE pulses overall.
    1995 Chevrolet Monte Carlo LS 3100 + 4T60E


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