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Thread: Need Help on PID's

  1. #1
    Potential Tuner BIGMAC's Avatar
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    Need Help on PID's

    I need help from the HP Tuners guru's on the Forum. I am looking at some scans from a recent on-track data log and a prior dyno run. What is the difference between the following PID's:
    "Trans Engine Torque"
    "Engine Torque"
    "Delivered Engine Torque"
    I understand these values are derived from various tuning inputs and could be quite different than actual torque measured on a dyno.
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  2. #2
    Advanced Tuner
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    All the same. Can't remember which one but one of the engine ones clips at 850Nm or thereabouts.

  3. #3
    Advanced Tuner
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    And yes, very different to a dyno reading. Unless the dyno sheet is from an engine dyno.

  4. #4
    Potential Tuner BIGMAC's Avatar
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    Help! I am caught in a cross-fire between my car tuner and transmission builder/tuner. Can someone identify for me the correct name of all VCM Scanner PID's that relate to torque. I need to know the description of each, is the PID in the Engine or Transmission section, and how they are different.
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    BIGMAC

    '98 Torch Red A4 Coupe: "Old Reliable"- Lingenfelter / Magnuson SC / 440 RWHP / Best Quarter 11.55 @ 121
    '12 Torch Red A6 Grand Sport Coupe: "Misery Machine"- 416ci Forged Stroker / ECS/Paxton SC / 720 RWHP / Best Quarter 9.64 @ 145

  5. #5
    Advanced Tuner
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    Just log trans engine torque.

    If you posted a dyno sheet and log that clearly shows your sympton it would likely be very easy for us to see which side needs work.

  6. #6
    Senior Tuner
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    You need to delete both this particular tuner and this particular transmission builder from your life, they are having a dick-waving contest and this will go nowhere until you get someone competent. As I believe you were basically (though, rather more politely) told in the identical thread you started in the transmission section.