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    I agree

    I agree
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    That is pretty extreme. You don't have the mods...

    That is pretty extreme. You don't have the mods to require a dyno tune IMO. There are much cheaper ways to go. But you would need the MPVI3 and 4 credits to work with a remote tuner.

    I'm assuming...
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    It costs a lot to tune this platform. Any tuner...

    It costs a lot to tune this platform. Any tuner worth their weight is going to be costly. I would recommend to not bother tuning the car unless you add some modifications. If you want something...
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    So much info in this thread. Love it.

    So much info in this thread. Love it.
  5. I have found that the columns sometimes don't...

    I have found that the columns sometimes don't split exactly as you would think. Like 3000 | 3200 | 3400 , The column split for 3200 Could mean it starts at 3200 or ends at 3200. Very odd but I...
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    In this log export you can see it happening. The...

    In this log export you can see it happening. The STFT's go full rich and then the throttle blade keeps opening up, which I assume is because the timing is getting pulled down into the negatives....
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    I think there is some test routine that gets...

    I think there is some test routine that gets stuck trying to run over and over when it doesn't see the rear O2's. I'm not sure of the cause but even with stock DFCO settings it was happening. It only...
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    And I was fortunate enough to speak with you, who...

    And I was fortunate enough to speak with you, who pointed me in the right direction with User Defined Parameters(which solved the issue). HPTuners doesn't expose the tables necessary to solve this,...
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    I can attest to Greg's experience. I...

    I can attest to Greg's experience.

    I definitely started seeing this on 2022+ Camaro's. The older ones don't do this and none of the C7's do this. You will get the same behavior if you unplug the...
  10. I think this is a bug with HPTuners. I seem to...

    I think this is a bug with HPTuners. I seem to have solved it by doing the following:


    -Install the latest HPTuners Beta
    -Delete the PID
    -Connect VCM Scanner to the vehicle with Key on Engine...
  11. I use the LT4 table and then set WOT to 1.00 on...

    I use the LT4 table and then set WOT to 1.00 on NA LT1's that use LT4 fuel parts. I don't know if that is the "correct" way to do it but I found it easier. There may be a little bit of part throttle...
  12. I don't back SOI up for Ethanol vs Gas as long as...

    I don't back SOI up for Ethanol vs Gas as long as I'm not running out of spray window. As for the Lambda changing, if you used the LT4 injector density table, that would be why. Pay attention to...
  13. I was mentioning about why you might keep seeing...

    I was mentioning about why you might keep seeing constant knock. As for the dip, it looks similar to when you have an air turbulence or stall issue due to the intake path, valvetrain geometry,...
  14. You will get knock on the LT's if timing is too...

    You will get knock on the LT's if timing is too low or SOI is too advanced. Put 22 degrees in it and move SOI closer to 350 if you're sure there isn't mechanical issue. I've seen LT1's and LT4's...
  15. These cars will knock if they are too rich. 11.x...

    These cars will knock if they are too rich. 11.x AFR on an NA motor will knock. Lean it out and start adding timing. SOI should be around 350-360 for that cam at WOT and EOI shouldn't fall past 160....
  16. Starting with the wrong data in the angle table...

    Starting with the wrong data in the angle table and then multiplying the axis by the fuel lobe can cause excessive spikes.
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    The ECU is calculating way too much torque and...

    The ECU is calculating way too much torque and probably hitting the peak torque limit. Best way to fix is to lower the calculated torque. Airmass and Virtual Torque tables both effect the final...
  18. This happens a lot of time when tuners just...

    This happens a lot of time when tuners just arbitrarily "disable" Dynamic Airflow by weighting towards the MAF. The MAF is simply too slow for throttle blips. You have to really dial in the VVE and...
  19. I've been tuning for 20 years and still learning....

    I've been tuning for 20 years and still learning. I had plenty of experience working in Engine Shops and Race Shops when I was younger. Proficiently using HPTuners to change the ECU vs Proficiently...
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    You can't directly adjust EOI on Gen V LT1/LT4's....

    You can't directly adjust EOI on Gen V LT1/LT4's. Instead EOI is a result of SOI and Injector Spray time (in ms). You only adjustment is to move SOI sooner or later and EOI will follow. Split...
  21. touche lol

    touche lol
  22. Can we start a petition to have Dave take over...

    Can we start a petition to have Dave take over HPT as CEO, merge DSX into it and then build HPT to its potential? Hell I'd pay double per license if this happened. :pray:
  23. I believe that is has been int he past and now...

    I believe that is has been int he past and now most just say "your torque model needs work". VVE, MAF, MAP VT and Airmass VT all need to be worked for these cars to drive properly. The Virtual...
  24. The overreach of the EPA is holding a gun to the...

    The overreach of the EPA is holding a gun to the back of HPT. Comply or we will fine you into bankruptcy.
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    Since this wasn't an issue before your MAF...

    Since this wasn't an issue before your MAF recalibration and change in intake tube diameter, the solution can potentially be found in the virtual torque tables. It's possible that this is actually a...
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