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Thread: Open loop tuning still has STFT

  1. #1
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    Default Open loop tuning still has STFT

    Hi all trying to tune in open loop using wide band , then will put back in closed loop. 2000 silverado 8.1 w SC
    when I data log I still show STFT making corrections, what am i missing?
    Attached Files Attached Files
    Mark

  2. #2
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    anyone have any input?
    Mark

  3. #3
    Lifetime Member ChipsByAl's Avatar
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    Try putting (B3805) (B3806) (B4115) & (B4116) all to 1.00
    Al
    "Trash that carb and get Injected!"

  4. #4
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    Quote Originally Posted by ChipsByAl View Post
    Try putting (B3805) (B3806) (B4115) & (B4116) all to 1.00
    Al
    thanks
    I did have (B4115) and (B4116) set to 1
    will try (B3805) and (B3806) at 1
    I don't understand how it can have correction in STFT if they were set to 1?
    Mark

  5. #5
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    Disable B3801
    97 Vette 6spd, CamMotion Titan2 LS1 cam, TSP 5.3 StageII heads, Vararam intake, Z06 manifold, ARH headers/cats, Z06 catback, Monster Stage2 clutch, 04 Z06 pcv, new style knock sensor(late98 to 04).

    Using FlashScan V1 with NGK-AFX Wide band

  6. #6
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    Quote Originally Posted by voda1 View Post
    Disable B3801
    Thanks for the reply
    I do have it disabled already,
    not sure how it can show STFT changing with everything shut off?
    Mark

  7. #7
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    Going by tune posted above:
    Click image for larger version. 

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    What's the temp when STFT begins?
    97 Vette 6spd, CamMotion Titan2 LS1 cam, TSP 5.3 StageII heads, Vararam intake, Z06 manifold, ARH headers/cats, Z06 catback, Monster Stage2 clutch, 04 Z06 pcv, new style knock sensor(late98 to 04).

    Using FlashScan V1 with NGK-AFX Wide band

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