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  1. Thread: LT1 tb max area ??

    by rjw
    Replies
    1
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    1,598

    LT1 tb max area ??

    In comparing an oem LT1 truck vs vette, the tb max areas are way different?? 4118 vs 4700

    Yet the p/n 's for both vehicles are the same. both are 87mm tb's

    anyone?

    thx
  2. Replies
    26
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    17,767

    Ya, 250 is a conservative number....lol

    Ya, 250 is a conservative number....lol
  3. Replies
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    9,300

    Anyhow, I had to finish this up, including tuning...

    Anyhow, I had to finish this up, including tuning on the way to the airport.

    Truck runs very well, especially after some trans tuning.

    Never made it to the dyno, but compared to the oem...
  4. are you using the vette tune knock sensor...

    are you using the vette tune knock sensor parameters? Might want to try the parameters from YOUR car oem tune. I find that the lt4 vette high octane spark table is a bit high for OTHER...
  5. Replies
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    2,755

    v3.2.38 same problem, especially with a lot of...

    v3.2.38 same problem, especially with a lot of channels running

    another time, no lt or stft's were logging, while everything else was, so killed a few channels and tada

    is there a limit to how...
  6. any links to how to do this...I might be having...

    any links to how to do this...I might be having some issues...thx
  7. Hey Ben... If I am feeding this guy...

    Hey Ben...

    If I am feeding this guy misinformation, please let US know

    thx
  8. you can just type 1.5 or 2 and say yes to warning...

    you can just type 1.5 or 2 and say yes to warning message

    max area is lower than 100% IF you want to limit tb opening, for example is you have no traction when you punch it down low...try 100%...
  9. Engine->Airflow->Electronic Throttle->Throttle...

    Engine->Airflow->Electronic Throttle->Throttle Area Limits->Max Area set to either your tune defaults or 100% across the board
    Engine->Airflow->Electronic Throttle->Throttle Area Limits->Pressure...
  10. Thread: airmass g/cyl

    by rjw
    Replies
    6
    Views
    4,710

    right now, I have a graph with rpm in the colums...

    right now, I have a graph with rpm in the colums and pressure ratio in the rows. when I log, the user math dca fills the boxes with grams.

    How do I interpretthis so as to tune vve or maf or...
  11. Thread: airmass g/cyl

    by rjw
    Replies
    6
    Views
    4,710

    so, I am going to read dynamic airflow in grams,...

    so, I am going to read dynamic airflow in grams, but versus what in a graph? a bit confused...thx
  12. Thread: airmass g/cyl

    by rjw
    Replies
    6
    Views
    4,710

    I'm in maf disabled open loop, no lt or stft's,...

    I'm in maf disabled open loop, no lt or stft's, but I am logging maf hertz.

    do I need to remove thatfrom my channels?

    thx
  13. Replies
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    2,949

    no biggie, they look different and have different...

    no biggie, they look different and have different plugs....not affecting anything at the moment, in that I am tuning without any lt or st trims anyhow

    thanks for your help
  14. Replies
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    2,949

    forget the vin, but it's a 2015silverado 5.3L. ...

    forget the vin, but it's a 2015silverado 5.3L. I get a code sometimes.....passenger side sensor 1 slow in responding from rich to lean....it's ok tho, when mix isn't in the 10's and it gets run...
  15. negative values for transmission slippage rpm 6l80e

    2015 Silverado 5.3L....

    torque management seems to be killing accel at low rpm,tc off

    what does a negative value (-1900) in trans slip rpm mean?

    thx
  16. Replies
    62
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    53,618

    rpm in minutes. 1 minute = 60 seconds= 60,000...

    rpm in minutes. 1 minute = 60 seconds= 60,000 milliseconds
  17. Replies
    6
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    2,949

    is it because the connectors are different? or...

    is it because the connectors are different? or the numerous holes vs none or otherwise?

    also, any idea what the rears are worth?

    thx Ben
  18. Replies
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    2,949

    are front and rear O2 sensors interchangeable?

    I have the rears removed, but the front right is causing minor problems from time to time (might just need some wot leaning combo), but if necessary, will the rears work in place of the fronts?

    thx
  19. Thread: airmass g/cyl

    by rjw
    Replies
    6
    Views
    4,710

    airmass g/cyl

    My oem tables for spark timing, etc show values for airmass g/cyl, and the row values go up to 1.24

    It seems that at the moment, my logs go beyond this, currently as high as 1.5, and this is at...
  20. Replies
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    20,040

    ok...just checking to be sure.... thx again

    ok...just checking to be sure....

    thx again
  21. Replies
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    20,040

    I understand most of this, what I am asking is...

    I understand most of this, what I am asking is whether I should be using the 14.1 that was oem on my vehicle and all the other oem tunes that I downloaded, or 14.7 ? which I assume is what Higgs...
  22. you need to set the area of the tb to match YOUR...

    you need to set the area of the tb to match YOUR CAR with the LT1

    so, once you have the maf and tb settings from YOUR LT1, not the vette, try to see if you can get a few of those dtc's back to...
  23. Replies
    44
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    20,040

    all the oem tunes that I downloaded had stoich at...

    all the oem tunes that I downloaded had stoich at 14.1 Is that because of the gas alcohol content?

    I'm in nth Florida...93 octane, but I believe 10% ethanol.....so 14.1 is good (stoich) and...
  24. Replies
    44
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    20,040

    is this based on stoich being 14.1 ?

    is this based on stoich being 14.1 ?
  25. Replies
    44
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    20,040

    WOW...will 12,25-12.5 at wot be safe AND produce...

    WOW...will 12,25-12.5 at wot be safe AND produce more power?
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