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Thread: 2013 Mustang VCT - idle cam position issue

  1. #61
    Senior Tuner
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    Quote Originally Posted by Eric@HPTuners View Post
    Yes, the airflow at idle is still used. But with TBD, it uses a set decay rate in RPM/sec to bring the RPM down.
    OK cool. It's got a little bit of trouble finding idle from higher RPM now...dips a little low before it recovers. It's pretty minor. I think a 2-3% increase on the idle airflow table will probably cure it.
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  2. #62
    Tuner in Training
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    Ever clear the issues?

  3. #63
    Tuner in Training 1badtk's Avatar
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    SCT Software

    Quote Originally Posted by Eric@HPTuners View Post
    There is a switch that you have to flip to disabled to turn off the default "Torque Based Decel" logic. Then it will use the Dashpot functions, but you would have to populate the functions.
    This is already set to "0" in the SCT software under drive by wire tables.


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  4. #64
    Tuner in Training 1badtk's Avatar
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    Been paying a lot of attention trying to duplicate HP changes into SCT software. Not a easy task since both use different languages for the majority of the tables.


    "Live Young, Die Hard, and be a Good Looking Corpse"

    1999 Ford Lightning, Built Motor, Manly Rods/Pistons
    Forged Crank, Howard Cams, Port Polished Heads
    Built 4R100 Trans, Ford Locker Differential
    Long Tube Headers, High Flow Cats (if any)
    150 - Two Stage Nitrous Intake Injected
    Eaton Supercharger with 2 lb upper, 10 lb lower
    20 lbs boost, 55 psi fuel pressure, all tuned to 14.7.
    WOT 11.8, NGK 4177 Plugs at .031
    100 Added Lbs in Rear of Bed

  5. #65
    Awesome info

  6. #66
    Advanced Tuner GapRider's Avatar
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    Quote Originally Posted by bravo685 View Post
    Here is a *.pdf of the screen shots of the tables needed to keep the cams from parking after a few seconds at idle. Keep in mind that you will still need to do the speed density tune to keep the inferred map values correct.

    www.powerplantdevelopment.com/Downloads/Coyote_CAM_setup.pdf


    Once I have a good way of calculating the speed density corrections I will update the pdf.

    Thanks for all the messages I'm glad I could be of some help to everyone.

    Rob
    I'm playing with cam tune again, the interest always come back :-). Did you ever come up with good speed density numbers? I tried borrowing the MP7-8 speed density numbers and didn't have great luck, maybe I needed to adjust something else?
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  7. #67
    Advanced Tuner 15PSI's Avatar
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    I mapped all of the HPT tables and PIDs for one of my calibrations into SCT PRP. It took me about a week of nights to do this. I have never formally entered this into a spreadsheet from my handwritten notes, but will do this in the next week and publish the conversion table on this forum.
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  8. #68
    Tuner in Training 1badtk's Avatar
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    Cool Converting PH to SCT for Ghost Cams

    Quote Originally Posted by 15PSI View Post
    I mapped all of the HPT tables and PIDs for one of my calibrations into SCT PRP. It took me about a week of nights to do this. I have never formally entered this into a spreadsheet from my handwritten notes, but will do this in the next week and publish the conversion table on this forum.
    This would be perfect and I will wait for your report. Driving me crazy and can't get any alone time to get it done.


    "Live Young, Die Hard, and be a Good Looking Corpse"

    1999 Ford Lightning, Built Motor, Manly Rods/Pistons
    Forged Crank, Howard Cams, Port Polished Heads
    Built 4R100 Trans, Ford Locker Differential
    Long Tube Headers, High Flow Cats (if any)
    150 - Two Stage Nitrous Intake Injected
    Eaton Supercharger with 2 lb upper, 10 lb lower
    20 lbs boost, 55 psi fuel pressure, all tuned to 14.7.
    WOT 11.8, NGK 4177 Plugs at .031
    100 Added Lbs in Rear of Bed