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  1. Why do you think it will brick it if you flash it...

    Why do you think it will brick it if you flash it with the correct tools? You do not have any other option than flashing the GXP OS if you want the manual OS. Buy a compatible spare ECM just in case...
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    https://www.hptuners.eu/help/ Working with VCM...

    https://www.hptuners.eu/help/

    Working with VCM Editor>Parameters GM>Engine>Fuel>Open and closed loop.

    FTC are covered briefly near the bottom of that help page. Newer platforms may be different.
  3. OL Gas(Gear) table needs to be 10, not 1. Set...

    OL Gas(Gear) table needs to be 10, not 1.
    Set cylinder volume back to stock.
    Set ITT table back to stock. Use advice from above and drive around for a bit after a reflash. In your logs, filter to...
  4. You did ask to be pointed in the right direction....

    You did ask to be pointed in the right direction. Writing other files like that is usually done with elaborate swaps, auto to/from manual, and builds that should probably be on a standalone. Your...
  5. You should never write other random tunes to your...

    You should never write other random tunes to your own computer.

    Write your original tune back. Then copy ONLY the required injector data you want from the sloppy file, assuming you trust that it...
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    These are conflicting statements. If it was...

    These are conflicting statements. If it was programmed correctly, as hinted in the first paragraph then the crank signal would not be an issue. The OEM reprogramming would set the correct value.
    ...
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    Already asked for relevant info on ls1gto. Seemed...

    Already asked for relevant info on ls1gto. Seemed like the tuner just changed the vin and copied parameters over. It needs to be SPS?ed after we find out the service information. All was already...
  8. Would using the curve fitting/polynomial...

    Would using the curve fitting/polynomial functions within excel not solve the issue with that spreadsheet? Source data in, calc the function from source data, apply function to new axis range.
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    All that means is that HPT may have chose not to...

    All that means is that HPT may have chose not to map out parameters. We do not get the reason why that decision was made, that I am aware of. Again, just an area to think about, not a proposed...
  10. Should work similar to the widebands that have...

    Should work similar to the widebands that have the OBD pass thru, no prolink required. But, I think the specific wideband controller you are using would need to be defined by HPT in the channel list.
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    Throwing out a thought because it seems similar...

    Throwing out a thought because it seems similar and you are talking about the prediction coefficients now.

    It could be something related to a max VE setting or something. The E40s have a table for...
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    Sounds like you will be starting with a stock...

    Sounds like you will be starting with a stock file in either situation. You can just reprogram the one in there now with dealer tools and save on buying a new computer.
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    You have not met mean until you have met the...

    You have not met mean until you have met the squirrel who cannot see.

    I have spoken.
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    Basics. 1 - Yes/No There are documented ways to...

    Basics.
    1 - Yes/No There are documented ways to do this without failing the MAF, just search. If you are new to this, tuning MAF and VVE independently is a great way to learn how things work. The...
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    You can try this if you'd like. 130334

    You can try this if you'd like.
    130334
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    The part I quoted states the sections purpose....

    The part I quoted states the sections purpose. They add or subtract from eq and are ignored or set to 0 once CL starts. Test it, set it all to 1. Log startup. Set it all to 0. Log startup. What does...
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    https://www.hptuners.eu/help/vcm_editor_parameters...

    https://www.hptuners.eu/help/vcm_editor_parameters_gm_eng_fuel_general.htm

    I think that is what you are after.
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    https://files.hptuners.com/help/VCMScannerUserGuid...

    https://files.hptuners.com/help/VCMScannerUserGuide.pdf

    Page 133.
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    Don't forget to set the cranking fuel table back...

    Don't forget to set the cranking fuel table back to stock.
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    Assuming those are 15 hits of good data. Zero...

    Assuming those are 15 hits of good data.

    Zero out your MAF table and see if it runs.
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    Thought we were talking about driving normally,...

    Thought we were talking about driving normally, not WOT.
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    Ignoring the logs, how does it drive, start, and...

    Ignoring the logs, how does it drive, start, and just behave in general? Sometimes things are just going to be what they are.
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    This one has a straightener....

    This one has a straightener.
    https://performancemrp.com/i-30497961-ls-swap-ls3-ls7-ls9-mass-air-flow-housing-with-air-straightener.html?ref=category:1389188
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    Where did autoCAD install itself? The...

    Where did autoCAD install itself?

    The permissions described in point 6 in the post above needs to be done on the install location, not the .msi file. Right click the C drive itself and do the...
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    PCM of NC plug instructions specifically state...

    PCM of NC plug instructions specifically state not to make OS changes or copy anything from a 4l80e TCM OS.
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