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  1. Thread: 4l80e segment

    by 5FDP
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    23

    No, you still need to segment swap. Post your...

    No, you still need to segment swap.

    Post your file.
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    49

    Don't forget to change the cylinder volume from...

    Don't forget to change the cylinder volume from the stock 5.7 size to what you are running now.
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    70

    You can still think of PE with a standard stoich...

    You can still think of PE with a standard stoich though. You'd still plug in 1.170-1.180 to get the low 12's commanded on the gas scale. The number is always greater than 1.000.
  4. Thread: Saved tunes

    by 5FDP
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    26

    Yeah.

    Yeah.
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    45

    Never heard of a knock control module. The knock...

    Never heard of a knock control module. The knock sensor harness goes straight into the PCM. I tried to cross that number and came up with it fitting late 90's 4.3 vortec engines.

    Post a log if you...
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    For sure it's pretty fat on fueling. Even without...

    For sure it's pretty fat on fueling. Even without a wideband you can command 12.0 to 12.5 and still be pretty such you will be close.

    Having no dyno makes knowing the best timing hard but a stock...
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    Reset the trims with the VCM scanners, should be...

    Reset the trims with the VCM scanners, should be in the vehicle function icon.

    See what happens to the trims once they relearn. Possible you could have a intake gasket or injector o-ring issue on...
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    30 degrees of idle timing is pretty damn high,...

    30 degrees of idle timing is pretty damn high, try to get it in the low 20ish range. Look at your logs for where it's idling and adjust those spots in the timing tables. High/low and idle spark...
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    Yeah, the drop down GMT change wouldn't help you....

    Yeah, the drop down GMT change wouldn't help you. It would need a full flash to make anything DBW work.

    You have to use the attachment feature in the advanced reply if you want to post files or...
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    I thought the van computers may still be drive by...

    I thought the van computers may still be drive by cable up to around 2004ish with 2005 being drive by wire.

    You could double check that with the stock file. Go to the systems tab and find the...
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    I don't know the OS's off hand and what years...

    I don't know the OS's off hand and what years they exactly go to but I could see an issue if one of the OS's is from say a 2003/2004 and the other is a 2006 or something. They used different pedal...
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    Which 3 bar MAP? If that is the LS9/ZR1 MAP,...

    Which 3 bar MAP?

    If that is the LS9/ZR1 MAP, are the pins correct at the sensor?

    What's your wideband showing for fueling when it does run?

    I ask because the VE looks a tad lean, could need...
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    MAF dtc's need to be set to MIL on first error,...

    MAF dtc's need to be set to MIL on first error, not no error reported.

    Are you using the 2016 MAP sensor? If so, those MAP values are likely different than the 2008 4.8 computer settings.

    Did...
  14. I would write entire back to stock. Then read...

    I would write entire back to stock. Then read that file, so it's your new base. Apply the segment swap and write that. Then do the OS upgrade and write that. All changes past that can be write...
  15. Thread: Tune Cabinet?

    by 5FDP
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    113

    It's called the tune repository, it's on your...

    It's called the tune repository, it's on your customer page in what I believe is the devices section.

    I will warn you here, the repository and NOT a place where you should be going to find and use...
  16. You post no tune, you get no help. I'll be...

    You post no tune, you get no help.

    I'll be straight with you here, there isn't just magic power that can be gained on a stock truck. You are still at the mercy of the stock parts that aren't made...
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    That log shows other problems likely not caused...

    That log shows other problems likely not caused anything tune related.

    Fuel trims are through the roof. Low fuel pressure or bad exhaust leaks could be causing that. The o2 sensors are very lazy...
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    Copying 6.0 stock data over a 5.3 stock tune...

    Copying 6.0 stock data over a 5.3 stock tune shouldn't be causing any sort of real issues if the 6.0 is indeed stock.

    Are the calibrations from the same exact year?

    Do you have data logs that...
  19. It's going to cost you a lot of credits if you...

    It's going to cost you a lot of credits if you get a file from the tune repository because you have to pay for the one license and then you are creating a new VIN/OS pair and it likely will want more...
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    Does the pedal, throttle body and TAC module all...

    Does the pedal, throttle body and TAC module all match, as in they came from the same vehicle?

    While you're in there, disable abuse mode on the engine side so it doesn't come back to haunt you in...
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    I typed it lol. Take the Stoich fuel table and...

    I typed it lol.

    Take the Stoich fuel table and just double, so mutiply the whole table by 2. It'll make the stoich 29.XXX and sloping downwards like you see it now.

    Then take your 90lb/hr...
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    Open the first file, then open the file you want...

    Open the first file, then open the file you want to copy from with the compare feature.

    Click compare again and click comparison log. Collapse all the boxes. Then you can either copy the entire...
  23. Thread: Check my work?

    by 5FDP
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    107

    Not much to check, it's a stock tune with...

    Not much to check, it's a stock tune with injector data changed lol.


    Just go through it and adjust/change for the stuff you are and aren't using. Like disabled and trouble code in the DTC list,...
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    I don't recall if cylinder volume matters on the...

    I don't recall if cylinder volume matters on the GEN 4 computers like it does in the GEN 3's but .85213 is not correct for a 6.2 engine size.

    Kevin is right, the injectors can be scaled better....
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    They sure make power enrichment on a hair...

    They sure make power enrichment on a hair trigger. The car is barely into the throttle and no where near boost yet and the commanded AFR just tanks to 11.29 commanded AFR and stays there for a while...
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