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Thread: 2014 Mustang 5.0 M6 7500rpm limiter

  1. #1
    Advanced Tuner silverbullet08's Avatar
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    2014 Mustang 5.0 M6 7500rpm limiter

    Is there another strategy or OS that works with these cars that will get rid of the 7500rpm limit? I applied the rev limit patch, rescaled every table I can find that should have any remote importance, tried raising rev limit settings in 100 rpm increments, dialed in the speedometer settings and it still cuts at 7450-7500rpm. It sounds like the car is slowly dropping injectors one at a time and is anticipating as low as 7150rpm, nothing in the logger changes when the limit occurs other than IDC drops. Car has a CJ manifold and supporting parts to rev and power is still climbing on the dyno.
    The attached file was last effort to get past the limiter even disabling fuel/spark cut torque ratios and moving limiter settings as high as 10,000 but had zero affect on anything which I found odd..
    Maybe I'm missing something. Tune still needs work and I'll be setting things back to normal ranges.

    2014 M6 5_0 7500rpmlmt last effort settings.hpt
    2014 M6 5_0 7500rpmlmt last effort settings.hpl
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  2. #2
    Advanced Tuner LastPlace's Avatar
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    Quote Originally Posted by silverbullet08 View Post
    Is there another strategy or OS that works with these cars that will get rid of the 7500rpm limit? I applied the rev limit patch, rescaled every table I can find that should have any remote importance, tried raising rev limit settings in 100 rpm increments, dialed in the speedometer settings and it still cuts at 7450-7500rpm. It sounds like the car is slowly dropping injectors one at a time and is anticipating as low as 7150rpm, nothing in the logger changes when the limit occurs other than IDC drops. Car has a CJ manifold and supporting parts to rev and power is still climbing on the dyno.
    The attached file was last effort to get past the limiter even disabling fuel/spark cut torque ratios and moving limiter settings as high as 10,000 but had zero affect on anything which I found odd..
    Maybe I'm missing something. Tune still needs work and I'll be setting things back to normal ranges.

    2014 M6 5_0 7500rpmlmt last effort settings.hpt
    2014 M6 5_0 7500rpmlmt last effort settings.hpl
    contact support, there might be a problem with the patch

  3. #3
    Senior Tuner SultanHassanMasTuning's Avatar
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    after patch did you write entire?

    CJ setup should be good until 7700/7800rpm
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  4. #4
    Can?t open but check your tune in the air setting. Called chrono hyster. Rpm- one will be at 7000 and the other 7500 I think. Change those two to 8200 and lmk if that fixes it

  5. #5
    Quote Originally Posted by Slowleen View Post
    Can?t open but check your tune in the air setting. Called chrono hyster. Rpm- one will be at 7000 and the other 7500 I think. Change those two to 8200 and lmk if that fixes it
    already done in the tune