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Thread: 2011 Shelby GT500 ETC Boost limiter?

  1. #1
    Senior Tuner Mep_q8's Avatar
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    2011 Shelby GT500 ETC Boost limiter?

    I've run into a brick wall with a limiter on a 2011 GT500.. Seems that no matter what table I increase for commanded torque or do a complete disable of all torque calculations, the ETC still closes. Although not as rapidly with the complete torque disable, but still going down to 70% at redline.

    There is a good 40-50whp still to be made if this can be deleted. The 2011 doesn't have the same tables as the 2012/2013 Shelbys.

    Maybe something to look into? Or is there something I'm missing?

    Bader Norris
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  2. #2
    HPT Employee Eric@HPTuners's Avatar
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    Quote Originally Posted by Trailblazin' View Post
    I've run into a brick wall with a limiter on a 2011 GT500.. Seems that no matter what table I increase for commanded torque or do a complete disable of all torque calculations, the ETC still closes. Although not as rapidly with the complete torque disable, but still going down to 70% at redline.

    There is a good 40-50whp still to be made if this can be deleted. The 2011 doesn't have the same tables as the 2012/2013 Shelbys.

    Maybe something to look into? Or is there something I'm missing?
    Does it happen on the street, or only on the dyno?
    Eric Brooks
    HP Tuners, LLC

  3. #3
    Senior Tuner Mep_q8's Avatar
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    only managed to tune it on the dyno.. never datalogged it on the streets..

    my dyno is a loaded dyno, so should be the same as the street..

    Bader Norris
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  4. #4
    HPT Employee Eric@HPTuners's Avatar
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    Quote Originally Posted by Trailblazin' View Post
    only managed to tune it on the dyno.. never datalogged it on the streets..

    my dyno is a loaded dyno, so should be the same as the street..
    See if it happens on the street. Front tires aren't spinning on the dyno

  5. #5
    Senior Tuner Mep_q8's Avatar
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    still have a closing etc even on the road.. disabled all torque management to the extent the throttle lags after a WOT run..

    Bader Norris
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  6. #6
    HPT Employee Eric@HPTuners's Avatar
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    Stock or aftermarket TB?
    Eric Brooks
    HP Tuners, LLC

  7. #7
    Senior Tuner SultanHassanMasTuning's Avatar
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    post file, did you modify DRIVER DEMAND what is your pedal START & END set to?
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  8. #8
    Senior Tuner Mep_q8's Avatar
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    eric, seems to be a load limiter..

    Im reading airload maxing and staying stable at 1.57.. Etc goes down to 75% then to 45%... Like how u explained in the 2013/2014 GT500 stuff, no matter what power is always in 10hp of each other.

    All limiters I've maxed out to 2.0 and I've disabled all torque tabs and tables.

    Can you look into it please?

    Bader Norris
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  9. #9
    Senior Tuner Mep_q8's Avatar
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    Eric, any updates?

    Bader Norris
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  10. #10
    HPT Employee Eric@HPTuners's Avatar
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    Email support and I will look into it.
    Eric Brooks
    HP Tuners, LLC

  11. #11
    Senior Tuner Mep_q8's Avatar
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    sent! thanks

    Bader Norris
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  12. #12
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    hey
    How did u solve the issue !!! i have the same thing with shelby 2011
    1. speed limit is never changing
    2. no matter what adjustments i do for the AFR it stays the same!!

    thanks

  13. #13
    Senior Tuner SultanHassanMasTuning's Avatar
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    whats your AFR, any parts
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  14. #14
    Senior Tuner Mep_q8's Avatar
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    Seems I've hit another limiter. The customer has added a crank pulley and we're getting around 19lbs of boost out of the blower. End of the run the throttle body is closing down to 91% then to 85%.

    With just the upper I had increased the load limiters as Eric suggested, but now all limiters have been maxed out.

    Would Pedal POS WOT end have anything to do with this?
    Attached Files Attached Files

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  15. #15
    Senior Tuner Mep_q8's Avatar
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    Looking over the file, ETC Torque management seems to come into play.

    There are 2 tabs:
    - Scheduled Torque Max (Set to stock values - I will increase and try this out)
    - Torque Max (Which I had previously maxed out.)

    If anyone else has any other ideas, please put some input in. With regard to the 2013/2014 GT500s, there seems to be a limiter which is: Load Limit vs RPM vs ECT.

    http://www.hptuners.com/forum/showth...ighlight=GT500

    I normally see loads of 1.85 but once I hit that, load decreases an the throttle seems to close?

    Is this something HP Tuners needs to add for the 2010/2011 GT500s? Or would it be something completely different?

    Bader Norris
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  16. #16
    Senior Tuner SultanHassanMasTuning's Avatar
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    what do you have your start and end WOT?
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  17. #17
    Senior Tuner Mep_q8's Avatar
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    Factory settings

    Bader Norris
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  18. #18
    HPT Employee Eric@HPTuners's Avatar
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    Are the torque and torque inverse tables accurate?
    Eric Brooks
    HP Tuners, LLC

  19. #19
    Isnt it driver demand table limiting it?
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