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    Seg Swap and Shift Timing

    Howdy everyone,
    I have noticed something strange that I wanted to see if anyone else has noticed. First I'd like to say that I keep shift tq management active for all 4l60e tunes that I do so If...
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    140475 That is a return to stock file for the...

    140475

    That is a return to stock file for the engine side that keeps everything else the same. After you have verified the fuel pressure, Set the idle speed up and start from here possibly.
  3. Any progress here?

    Any progress here?
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    I agree. I honestly believe that reducing the...

    I agree. I honestly believe that reducing the exhaust back pressure by using a larger turbine housing and external wastegate would only add to the longevity of the engine. As long as tq spikes are...
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    Confirmed. Much slower with extended shift...

    Confirmed. Much slower with extended shift points. I would trade spool time to shift rpms out to 7k rpm.
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    Sanity check. Since the issue I had back in Feb...

    Sanity check. Since the issue I had back in Feb has not returned I figured I would experiment with the tune file again. I have added and then removed an electronic cutout to my catless downpipe so it...
  7. 135485 Basic pid list. pm'd you

    135485
    Basic pid list. pm'd you
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    ac pressure wideband Im assuming. Looks like you...

    ac pressure wideband Im assuming. Looks like you may have an exhaust leak or too little pipe after the sensor messing with your readings. Or the math is wrong in the config on my end.
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    There is a chance that your stock injectors are...

    There is a chance that your stock injectors are maxed out if they are not flex fuel injectors. Your logging too many things to have high resolution data so what ever is happining at sudden throttle...
  10. 135074 Try that. Abuse mode disabled and shift...

    135074
    Try that. Abuse mode disabled and shift tq management back in.
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    post your tune file

    post your tune file
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    Ahh larger throttle bodies will reduce the amount...

    Ahh larger throttle bodies will reduce the amount of IAC needed for minimum airflow. The procedure is the same though. If no minimum IAC is needed after opening the throttle body it will show. The...
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    Don't know if this is it but 134769

    Don't know if this is it but
    134769
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    set maf to fail on first error and disable vats....

    set maf to fail on first error and disable vats. Set maf calibration 0-3000hz to the 3200hz number and retest.
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    Hello guys seems like your making progress but I...

    Hello guys seems like your making progress but I have some concerns. Of all of the ls's with big cams that I have tuned, Idle vacuum has been the absolute least of our worries. With the PO1 pcm, big...
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    ok so first thing about the idle afr, I honestly...

    ok so first thing about the idle afr, I honestly would only worry about if under certain conditions. Conditions to care about idle afr are contingent on whether or not you know for certain that a)...
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    Hello, Im just trying to catch up here. Your last...

    Hello, Im just trying to catch up here. Your last log looked nice and steady as far as idle speed goes so what is it doing or not doing that you do not like exactly?
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    The way your map sensor is fluctuating, I think...

    The way your map sensor is fluctuating, I think you have mechanical problems that need ironing out.
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    One thing I see is the imbalance of bank1 vs...

    One thing I see is the imbalance of bank1 vs bank2 in o2 mv. This is slight but it could mean we have an exhaust leak. This would explain the tail chasing to a degree. I, at this point, would...
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    pm'd

    pm'd
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    Looks to be scale at the ve table by half or...

    Looks to be scale at the ve table by half or possibly more. The cyl airmass at boost is only in the low .60 range. I would start with a fresh tune with a custom os and rescale your injectors...
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    Tables we cannot see possibly?

    Tables we cannot see possibly?
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    You did perform a "write entire" correct?

    You did perform a "write entire" correct?
  24. Checked the exhaust for obstruction? Fuel spark...

    Checked the exhaust for obstruction? Fuel spark and timing verified then it has to be airflow.
  25. Check injectors to make sure they are spraying....

    Check injectors to make sure they are spraying. Check rocker arms to verify valve travel. Check exhaust/intake systems for obstructions. Check for cracked or broken intake manifold Spray starting...
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