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  1. Allison 6spd {D5010} not mapped??? TCC Control for 2nd gear lockup for T87 TCM

    How come we do not have access to {D5010} ?
    I need to enable and adjust my 2nd gear lockup on an LML and cannot access it. {D5011-14} are present for control of TCC apply in 3rd through 6th.
    Can I...
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    opcode, thanks that thread does have some helpful...

    opcode, thanks that thread does have some helpful info even though its the E38 vs my E40 :thankyou2:

    The 2 tables I do not have (that im used to in the E38) is B1843-1845 aka Idle Integral Step...
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    Yikes, nada. One of the guys on the HPT board...

    Yikes, nada.
    One of the guys on the HPT board wrote a full E40 idle tuning guide. Was curious if the same might exist here.

    Thanks again if anyone can chime in.
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    E40 LS2 c6 cam+ idle tuning

    Hey everyone, first thanks in advance for any help.
    I have tuned a few different cars and know the E78/E38 pretty well. This E40 on my own personal C6 is frustrating me a tad.

    Ive gone through...
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    I just bought myself a new 2015 GMC Denali. All...

    I just bought myself a new 2015 GMC Denali. All stock... on the fence about killing the warranty to have some fun with it :drool:
    I have been a gas tuner for ever but have not touched a Diesel. I...
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    I used the E38 as a template and it works like...

    I used the E38 as a template and it works like charm thus far!
    Thanks a million for the help man thats the support a newb (to EFI Live) like me needs. :)
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    Joecar, there is not an E78 file. I used the E38...

    Joecar, there is not an E78 file.
    I used the E38 and did a find replace and spot checked a few things. I am going to test it out it appears the tables in the E38 and E78 are all mapped the same, but...
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    Excellent I will try this out this morning. ...

    Excellent I will try this out this morning.
    Dieselman that's exactly what I am after and I did press the track linked cells button. It works on the t43 trans controller but not the E78.

    Joecar,...
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    Ill take that as a no. Obviously I can watch...

    Ill take that as a no.

    Obviously I can watch the cells in the KR map in the scan tool but didnt know if EFI had the intelligence to follow the final actual computed timing and highlight the active...
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    Cell tracking E78

    Curious if anyone knows of a "secret PID" or combination that allows the tune tool to track the timing cells live.
    For example, watch the high octane table live and see which cell its pulling from...
  11. I had this problem years back on a Lamborghini...

    I had this problem years back on a Lamborghini using stock electronic throttle bodies. The boost pressure was overcoming the throttles and putting them in a failsafe slamming them shut at 7200 RPM...
  12. E78 - PIDs to log to see what table is commanding a torque reduction?

    As the title mentions. I am watching the engine TQ and Spark TQ Reduction. I have figured out all of the things that affect the TQ reduction within the spark.


    AC Clutch Cycling - stupid...
  13. Not until I added the stickers! I knew it had...

    Not until I added the stickers!

    I knew it had to be hitting max throttle was just bugging me not to be able to log it accurately. Now if I bother to work on improving peak flow at least I can see...
  14. Ok so logging the correct PID solved my issue....

    Ok so logging the correct PID solved my issue. Mine is commanding 100% whenever I want and will hold it. The SAE PID is the one reading 84%
  15. So the 84% you are seeing with this particular...

    So the 84% you are seeing with this particular truck is on that PID?
  16. Which operating system and ECM is the truck your...

    Which operating system and ECM is the truck your tuning now that will not hold throttle @100% vs the ones that did?

    Looking at my last log file it does make me wonder why commanded is still 84%...
  17. Its exactly as GMPX stated above, once your at...

    Its exactly as GMPX stated above, once your at 100kPa there is no point in opening the blade any further as the engine physically cannot take in more air.
    This is the point where we cross into...
  18. FTIW both of my LS2's did the same thing...

    FTIW both of my LS2's did the same thing completely stock after cleaning the throttle bodies. (stock tunes as well) I had the intake off the C6 to replace the oil pressure unit and figured Ill clean...
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    Yikes I completely forgot about that. Thanks, :)

    Yikes I completely forgot about that. Thanks, :)
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    My last bits of testing for the day with a...

    My last bits of testing for the day with a different set of tweaks on the above tune.
    I moved B8300 Torque Limiting MAP from 100 kPa to 110 just to see if it would allow more airflow into the...
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    In the spirit of sharing.... I made changes to...

    In the spirit of sharing....
    I made changes to the timing tables and as expected it picked up power and eliminated the 1.5 deg of KR.

    I have yet to run it above 5500 and likely wont as this...
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    One of the latest but I am pulling timing out at...

    One of the latest but I am pulling timing out at the .40 G/s range, this ones an experiment for best cruise mileage around 75-80@2000 RPM however I think I hit the wall of diminishing returns.
    ...
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    E78 PE mode and throttle questions.

    Curious if anyone can enlighten me. Is High Speed mode also the same as PE? See pic...

    Also would raising the MAX MAP KPA beyond 105 allow the throttle to open farther? Curious not that it will...
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    Yep it is just logged and tested it on the...

    Yep it is just logged and tested it on the freeway. Now the question is why cut power to engage a load?? So we really feel it ... GM logic escapes me on this one. Anyone know how to disable it? I...
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    E78 AC Compressor Spark Retard?

    Guys just curious if there are any tables that affect the spark related to the AC such as the Gen III ECMs did in table B4358?
    Reason I ask is on a level cruise I noticed a few time where the TQ...
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