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  1. Bringing this thread back up. My 1-2 upshift is...

    Bringing this thread back up. My 1-2 upshift is very firm almost harsh at times and I would like to soften it up some so it doesn't hit as hard. Tried a couple of things but nothing really changed....
  2. Just playing with the airflow to see if would...

    Just playing with the airflow to see if would make a difference. It really did not do anything with a stock rig. So went back to stock maf, put the transmission back to stock, reset the adapts in...
  3. It does, but I left it alone, haven't really...

    It does, but I left it alone, haven't really noticed any loss. The system has a nice rumble to it when you get on it but is quiet going down the highway. If you decide on one be sure to get a new...
  4. Thanks, will take a look at it.

    Thanks, will take a look at it.
  5. Here is my current tune. All stock but with...

    Here is my current tune. All stock but with AFM/DOD disabled, MAF x 1.05.
  6. Haven't touched it. I was going to adjust the...

    Haven't touched it. I was going to adjust the MAF first since I changed out the factory exhaust for a Borla system and have an AFE drop in filter. Figure its moving a little more air which could...
  7. I ask because I get the occasional bump from the...

    I ask because I get the occasional bump from the back when coming down the offramp. Almost like its hanging then downshifts hard enough to feel like someone rear ended me. Doesn't happen all the...
  8. ^^ How does react during downshifts with those...

    ^^ How does react during downshifts with those settings?
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    In the attached file did you change any of the...

    In the attached file did you change any of the transmission settings yet or is it 100% stock? It looks like the 2018 vs 2016 factory tunes are quite different in some areas. Just wondering if it is...
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    Could you post up your tables for comparison? ...

    Could you post up your tables for comparison? Doing the same for my 2016 Sierra 5.5 8spd.

    5.3/
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    Do you use the stft+ltft method or the pressure...

    Do you use the stft+ltft method or the pressure ratio?
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    i must be missing something here, i have a 2016...

    i must be missing something here, i have a 2016 Sierra 5.3 8spd, when i input the info and try to export there are no tables shown.

    Any advice?
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    Thanks for the info, it sounds like unless I am...

    Thanks for the info, it sounds like unless I am heavily modding my truck I should probably leave these alone. I was looking for a little more bottom end and after reading other threads about these...
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    I assume then there not really a conversion from...

    I assume then there not really a conversion from axle torque to KW?
    Would the same process apply to smoothing or adjusting the tables, gently, for better low end drivability on a stock truck with no...
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    Driver Demand Tables

    Looking for some clarification on the driver demand tables for 2016 Sierra Denali 5.3 L83 motor with A8 transmission. In tables A,B, & C the numbers are completely different than in the tables for...
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    I am trying to understand the spreadsheet, when I...

    I am trying to understand the spreadsheet, when I put in my current maf settings and compared to the new curve some areas like @ 3000hz went from 6.487 to 16.38. Won't that make my fueling way off...
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    I have read thru this thread and downloaded the...

    I have read thru this thread and downloaded the worksheets, played with them tried different things but can't seem to grasp the concept.

    With that, here is what I have.

    2010 Silverado, 5.3,...
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    How does it compare to the stock settings? ...

    How does it compare to the stock settings? Sometimes its done to desensitize them so they don't retard timing as quickly.

    You can put them all back to stock and scan to see where the knock retard...
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    Agree completely with mowton, I had to adjust my...

    Agree completely with mowton, I had to adjust my vve and maf once it had the idle where I wanted it. And yes it will surprise you when you disable the adaptive spark. I found my vve table was part...
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    The proportional change will delay the air flow...

    The proportional change will delay the air flow corrections until it hits a 100 rpm swing. Its a slower reacting correction whereby the spark correction is a much quicker. My understanding is the...
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    I'm no expert by any means but what helped me the...

    I'm no expert by any means but what helped me the most with my 212/218 114 lsa cam was under the Idle RPM tab was to push out the proportional enable rpm error to 100 and under the Spark tab move the...
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    So which version is the best one to use?

    So which version is the best one to use?
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