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Type: Posts; User: MORLOK

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  1. Throttle Inlet Air Pressure Channel? E92 ECU

    I cant find a channel to log Throttle Inlet Air Pressure (TIAP) on my 2014 Silverado E92 ecu. I want to log the pressure sensor that is in the MAF, which I think is also the AAP1 sensor. Is it...
  2. Once you get the 3-bar map you will need to tune...

    Once you get the 3-bar map you will need to tune the VVE. You could probably copy the 0.8 pressure ratio line to the 2.0 pressure ratio line times 1.5 for a start. That will probably solve most of...
  3. Here is my log from last night. It has much...

    Here is my log from last night. It has much better throttle control, and Driver Demand Axle torque stays above Actual Axle torque.. most of the time.
    Interesting that Immediate, Predicted, and...
  4. I looked over the tune changes you made and...

    I looked over the tune changes you made and figured it was worth a try, so I loaded it up. It made some improvements but I still had the same throttle control problem. I was convinced that the...
  5. Thanks! I really appreciate your time and help! I...

    Thanks! I really appreciate your time and help! I will give this tune a try and see how it goes.

    I have Greg's Video, and yes, it is very good. Getting the air models very close is key, but I...
  6. Here is my latest tune. 93254 I think there...

    Here is my latest tune.
    93254
    I think there are some key differences in our setups that make tuning different. What type of blower is it? PD or centri? and I think the cam also makes a big...
  7. I think I need TIAP to properly tune my L83 turbo (part throttle)

    My problem seems to be that the computer is opening the throttle blade too much during part throttle, which causes very poor shifting. My torque tables are stock, BARO sensor is broken out, MAF is...
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    What year make and model car is it? Is it a Gen V...

    What year make and model car is it? Is it a Gen V ecu?
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    "Trans Shift Mode" in the VCM scanner should tell...

    "Trans Shift Mode" in the VCM scanner should tell you this.
    For me D is Normal, Tow/Haul is Pattern A, and M is TUTD.

    Pull that up in the scanner and start pushing buttons and see what...
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    This sounds a lot like what my truck was doing...

    This sounds a lot like what my truck was doing when my virtual torque tables were messed up in the idle ranges.
    If it is forcing the idle down I think that means the torque tables are too high,...
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    I am considering this also. Let me know what you...

    I am considering this also. Let me know what you think of it.

    I keep thinking about the max torque value and it still bugs me that the VTT values in a ZL1 file look reasonable and have pretty low...
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    I changed both airmass and map by the same...

    I changed both airmass and map by the same proportion.

    As for Engine Torque Coeff EQ Ratio. Here is how I understand that table. I think the engine estimates actual torque based on MAF, but that...
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    Adjusting the prediction coef ended up being a...

    Adjusting the prediction coef ended up being a dead end. It noticeably changed the throttle, but was not an improvement.

    After that I just said screw it, I am going to crank the airmass values...
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    Wow! Yea! I had not messed with the prediction...

    Wow! Yea! I had not messed with the prediction coefficients because I did not know what they did, but that may be what I need.
    What do you think would be a good boosted OS to copy from? All the gm...
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    This may be what he is talking about ...

    This may be what he is talking about
    https://forum.hptuners.com/showthread.php?42850-Proper-Toque-Model-Calculation

    This gives the torque equation, but does not say how it estimates "Max Torque".
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    2014 Silverado L83 A6 with a single S366 From...

    2014 Silverado L83 A6 with a single S366

    From what I understand, the only thing the DD table does is convert a pedal position to a torque request, and that is it. You would think that the high...
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    This is a great thread. I am one of the crazy...

    This is a great thread. I am one of the crazy people learning to tune on GenV stuff.. pretty challenging..

    Most people point out that Max Torque is not a limit, but it is still a problem. I just...
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    6L80e TM After shift

    Hello Everyone,

    I have a 2014 Silverado l83, single turbo.
    I am having a torque management issue that I have not been able to find anywhere else on the internet.
    During part throttle shifts,...
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