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Type: Posts; User: mbray01

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  1. Replies
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    Tune the airflow models, you are fighting torque...

    Tune the airflow models, you are fighting torque calculations, it will never idle correct, until you properly tune it. The vve tables absolutely positively have to be properly calibrated or this...
  2. WHEN TUNING, I LOG THREE AIRFLOW PIDS ON MOST...

    WHEN TUNING, I LOG THREE AIRFLOW PIDS ON MOST SETUPS
    VOLUMETRIC EFFICIENCY AIRFLOW, MASS AIRFLOW, AND DYNAMIC AIRFLOW. DYNAMIC IS WHAT THE ECM IS ACTUALLY CALCULATING AS THE AIRFLOW. iF ITS NOT...
  3. Even in sd, there most certainly is airflow pids,...

    Even in sd, there most certainly is airflow pids, and you should be logging them. You need actual airflow to determine fueling, as well as cylinder airflow, which determines timing. You are confusing...
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    yep

    yep
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    There is an abs specific output, that you can...

    There is an abs specific output, that you can change while monitoring abs wheel speed vs trans output wheel speed.
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    Sounds like its either over timed, as mentioned...

    Sounds like its either over timed, as mentioned above, your you have a secondary ignition miss

    the on3 manifold setup is notorious for cooking plug wires
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    Im not 100% certain, but my best judgement says...

    Im not 100% certain, but my best judgement says the only thing the bcm and ecm need to agree is for vats. especially on an 01
  8. depends, if your just trying to get the injector...

    depends, if your just trying to get the injector data in, then the flow rate and afr trick. if your going to scale the entire tune(you are running a bunch of boost and may run out of airflow) then...
  9. make your life easy just do 50%

    make your life easy

    just do 50%
  10. Ok, your right, we shouldnt know specifics, we...

    Ok, your right, we shouldnt know specifics, we should just throw random guesses out there and see if it sticks
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    Yes, unless you have put the late model cam and...

    Yes, unless you have put the late model cam and crank in, your about to have a really bad day
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    Trans is set to manual, needed to be set to non...

    Trans is set to manual, needed to be set to non electric auto. I have ran into this many times. Usually between 2000-3000 rpms
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    If its a different os, then you have to write...

    If its a different os, then you have to write entire

    if its the same ecu though, i would just put your old pcm in the new car, and either do a vats relearn, or disable vats in the calibration
  14. Are you logging with the mpvi 1, or 2, read my...

    Are you logging with the mpvi 1, or 2, read my post above, if your logging with the 2, you might as well throw all that info away, its useless
  15. In the future, when you have a specific issue,...

    In the future, when you have a specific issue, ask a specific question. Nobody here is psychic, we are here to help, but you gotta let us know what you need help with.
  16. Right now the only way to properly tune using hpt...

    Right now the only way to properly tune using hpt on these is to flash with the mpvi2, and datalog with the mpvi1. Its not ideal, but ive tuned many using hpt. I used quarterhorse/be/tunerpro in the...
  17. the 02 insufficient switching i usually turn off,...

    the 02 insufficient switching i usually turn off, as when sensors start to age, they tend to be really slow to respond, especially when cold. Oxygen sensors are a maintenance item, and should be...
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    I would be checking the wiring, specifically at...

    I would be checking the wiring, specifically at the bulkhead for the under hood fuse panel. If the 99 was a v6, those are usually different
  19. Thread: Just reading

    by mbray01
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    yes, the seed/key(unlock) is done online, because...

    yes, the seed/key(unlock) is done online, because gm updated their file encryption. this unfortunately, is how its being done now on 17+ gms
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    you can command it to hold a specific gear in the...

    you can command it to hold a specific gear in the scanner!!!!!
  21. they operate independently of each other

    they operate independently of each other
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    its best not to smooth till after you have more...

    its best not to smooth till after you have more defined map. when you have limited plot hits like that, what happens is when you hit the smooth button, it just pulls it back level with the...
  23. Or, you could just ask what your having trouble...

    Or, you could just ask what your having trouble with, and maybe we could help.
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    SO FAR IT LOOKS LIKE THE ZL1 HAS A 10L90, YOURS...

    SO FAR IT LOOKS LIKE THE ZL1 HAS A 10L90, YOURS HAS A 10L80. THIS ALONE IS GOING TO GIVE VASTLY DIFFERENT PROGRAMMING, MOSTLY DUE TO CLUTCH FILL TIMES, AND VOLUMES. ALSO A CAR, TO A TRUCK IS GOING TO...
  25. To answer your vague question, with no other...

    To answer your vague question, with no other information


    no, there isnt

    really just sounds like you need to tune the thing
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