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OVTune 3URFE Tundra ECU Tune Development Thread

Discussion in '3rd Gen Tundras (2014+)' started by OVTune, Apr 25, 2019.

  1. Jun 26, 2020 at 6:43 AM
    #3871
    Rockgate

    Rockgate New Member

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    I think that's what the Tundra tune pack is for. Some of their custom tunes and features.
     
  2. Jun 26, 2020 at 6:54 AM
    #3872
    shellshock

    shellshock Guy who drives a lot

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    Hm that must be new. I didn’t know that was available.
     
  3. Jun 26, 2020 at 6:59 AM
    #3873
    azTony

    azTony New Member

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    *** OV Tune Order #4481 *** ECU xxxx ***
    2018 Tundra Platimun with Icon Stage 9 w/3.0 and billet UCA, Harrop Elockers, 5.29 on 35’s
    Hard to keep up with this thread, what’s new, what’s different...
     
  4. Jun 26, 2020 at 7:03 AM
    #3874
    MSU Tundra

    MSU Tundra Supercharged

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    Question about data logging with a supercharger.... What is all the data that Matt is looking at and basing the tune on? The reason I ask is that the factory ECU supposedly isn't giving accurate AFR numbers if boosted. So how does he know what to make adjustments to? Sorry if the question has been addressed already, but I haven't had a chance to read every post in this thread.
     
  5. Jun 26, 2020 at 7:14 AM
    #3875
    Rockgate

    Rockgate New Member

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    Well on their site, you can get the vF software and flash cable in a bundle. I believe it's only for making your own tunes. Then there is another thing to buy which is the Tundra 5.7 vF tune pack. I do not know what all is included in that but I think it contains the OV developed features. I myself was trying to find out if gear lock and features were in the tune pack only it if they are in the vF software bundle.
     
  6. Jun 26, 2020 at 9:23 AM
    #3876
    shellshock

    shellshock Guy who drives a lot

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    The tune packs are the off the shelf tunes they have made. I have the Tacoma one.

    the vf software only has the stock tunes and you start from scratch. The tune packs you can open in vf and use them as a starting point.

    I just modified my Tacoma one to boost the charging voltage for my agm battery
     
    pnw.tundra, HulkSmurf14 and Wynnded like this.
  7. Jun 26, 2020 at 10:08 AM
    #3877
    Rockgate

    Rockgate New Member

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    Ok. So are the gear lock and other features only in the tune pack? Since it's not a stock function.
     
  8. Jun 26, 2020 at 10:55 AM
    #3878
    shellshock

    shellshock Guy who drives a lot

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    I don’t believe @OVTune has detailed the Tundra tuning options yet with vf tuner. He’s mentioned with the Tacoma releasing example tunes that you can then use to build into your tune. Then you can basically see what’s changed and add it in to create a tune that works best for you
     
  9. Jun 26, 2020 at 3:47 PM
    #3879
    DR132

    DR132 New Member

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    BAMuffler 8", Custom tuned with HPTuners, 2018+ LED Headlights, TRD front and rear sway bars
    Stock O2 sensors will read as rich as approximately 11.8 which is generally a good, safe AFR number for boosted engines on pump gas. So while they won't tell you if you're richer than that they will verify that you're at least getting a safe amount fuel. For someone selling tunes "safe" should be priority #1 and if the customer doesn't have an aftermarket wideband installed to give data beyond the stock sensors limits then safe is gonna have to be good enough :thumbsup:
     
    HulkSmurf14 likes this.
  10. Jun 29, 2020 at 7:03 AM
    #3880
    MSU Tundra

    MSU Tundra Supercharged

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    So you're saying that I am getting accurate readings as long as they're above 11.8?

    My Kenwood Headunit displays ~11.5 AFR at WOT. My priority is safe and reliable versus max power potential so it sounds like it is safe.
     
  11. Jun 29, 2020 at 8:21 AM
    #3881
    Cuban11182

    Cuban11182 New Member

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    14.7 is stoich. Higher that that is lean (IE 15, 16, 17 etc). Lower than that is rich (IE 14, 13, 12, etc). If you're in the 11's then your rich. If the sensors only read to 11.8, if you're at 10 (rich) it will still read 11.8 (from what folks are saying). If you're at 11.5 @ WOT, I'd wager that you're GTG.
     
    Last edited: Jun 29, 2020
    MSU Tundra likes this.
  12. Jun 29, 2020 at 8:32 AM
    #3882
    ZPMAN

    ZPMAN 2nd place is the 1st looser

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    Mat, @OVTune could you please check the status of order #5476


    Thanks John
     
  13. Jun 29, 2020 at 10:37 PM
    #3883
    DR132

    DR132 New Member

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    Well it's a little more complex than that because the AFR is actually a calculated number based off of the data output by oxygen sensors and there are several other variables that will also affect the displayed AFR somewhat so there is some variance in the limits different people will see. All that said, yes the data is accurate down to that limit so sounds like you're good to go there.
     
    MSU Tundra likes this.
  14. Jun 30, 2020 at 5:01 AM
    #3884
    Ericsopa

    Ericsopa Old man and the sea

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    "....all done and out" before the weekend apparently didn't completely pan out. Still waiting for updates.
     
    2Tall likes this.
  15. Jun 30, 2020 at 2:42 PM
    #3885
    OVTune

    OVTune [OP] New Member

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    For the people who needed an update I did send them, was there some issue you had that needed updated?
     
    TruckyTruck likes this.
  16. Jun 30, 2020 at 4:01 PM
    #3886
    Ericsopa

    Ericsopa Old man and the sea

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    N of Rio Grande, S of Red, E of Pecos, W of Sabine
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    Yessir, your last email to me below:


    Your request (12302) has been updated. To add additional comments, reply to this email.

    [​IMG]
    Mathew Wilson (OVTune)

    Jan 24, 13:15 EST

    attached is a copy of our tunes and stock tune,


    also attached is our updated flashing program, please use this version.


    note, it is critically important that your battery voltage is good before flashing. no less than 12.2
    the software will tell you the voltage before flashing begins

    Please use our 91 tune and send us some logs so we can dial it up for 93

    -
    OVTune - Lead Developer/ECU Assembly Development/Toyota Calibration Lead
    www.ovtuned.com
    CUSTOMER SUPPORT / BUSINESS HOURS
    9:00 AM - 4:00 PM EST ( MON - FRI )
    Office closed on weekend/holidays
    Please allow 1-3 business days for response to all inquiries.



    Attachment(s)
    89663-0CJ64.p5f
    0CJ64 6600 - 87 TCU Build 000 .p5f
    0CJ64 6600 - 91 TCU Build 000 .p5f
    p5flash_V1.2.2.exe

    I did send you logs, two days later, 26 January, expecting a 93 tune and any other tweaks you deemed necessary based on the logs that I sent. Haven't heard a word from you since. Order #5388. I've just been waiting patiently, without a single complaint, figuring I was toward the end of your orders and you would get to me eventually.
     
    2Tall likes this.
  17. Jun 30, 2020 at 5:37 PM
    #3887
    2Tall

    2Tall New Member

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    Mat, I sent logs to you as well, in March, and haven't see any response or updates either. My order is #5189 and request #10457.
     
  18. Jul 1, 2020 at 3:59 AM
    #3888
    Cuban11182

    Cuban11182 New Member

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    Mat,

    With a 2018 is it possible to have gear locking when the tow haul button is on and in manual, and when the tow haul button is not on and in manual you can do that other thing (forgot the name, but where you hold the shifter and it goes into the lowest gear possible (direct shift?)). I'm thinking when I'm towing I would need the gear lock, but when driving around town I wouldn't.

    Just wondering.
     
  19. Jul 1, 2020 at 6:19 AM
    #3889
    azTony

    azTony New Member

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    At this time gear locking is not available and is being developed for the 2018’s. That is what I was told and it was posted here
     
  20. Jul 1, 2020 at 6:55 AM
    #3890
    TruckyTruck

    TruckyTruck Dumbest Username

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    Mat, what's your feeling about the tune being completed by your estimate of the end of July? It's coming up pretty quick, so just shoot us straight. You know we all have our hopes up!
     
  21. Jul 1, 2020 at 7:00 AM
    #3891
    Cuban11182

    Cuban11182 New Member

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    I have gear locking on my 2018. I'm wondering if code can be written to have it work ONLY when the tow haul button is on as opposed to when it is off as well (and in manual shift mode).
     
    Last edited: Jul 1, 2020
  22. Jul 1, 2020 at 7:15 AM
    #3892
    Wynnded

    Wynnded Stay home.

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    I had a tune where GL was active via T/H only, S-Mode didn't affect it. I think that's the ultimate game plan.
     
  23. Jul 1, 2020 at 7:25 AM
    #3893
    Cuban11182

    Cuban11182 New Member

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    I hope that's the case. I just don't see the need to have it during both on and off w/ T/H.
     
  24. Jul 1, 2020 at 9:55 AM
    #3894
    4firemandan

    4firemandan Superduper Member

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    In my 16 I definitely had no gear lock when T/H and Drive. (Verified with obd2 scanner and watching the current gear)

    T/H and Sport would lock
    T/H and Drive would down shift
    No T/H and Sport would down shift
    No T/H and Drive would down shift

    I figured towing you could either leave in D for regular OEM style towing, or go to S and manually move and stay locked there if you want more control.
     
  25. Jul 1, 2020 at 10:06 AM
    #3895
    azTony

    azTony New Member

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    Well not sure why I am being told GL is not available for 2018
     
  26. Jul 1, 2020 at 10:27 AM
    #3896
    TruckyTruck

    TruckyTruck Dumbest Username

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    Hell, it's not available for 2013s yet either! Unless you have a supercharger. For some reason those are complete.
     
  27. Jul 1, 2020 at 12:28 PM
    #3897
    OVTune

    OVTune [OP] New Member

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    Your logs have been received and updates will be posted. July is Tundra time for us.



    Also the original implementation of gear lock (by tow haul button) works for any year.
    The confusion I think is that gearlock was CHANGED from that version to default when in s mode (not tow haul button). THAT version is being prepared for all ecus this month.
    hopefully that makes sense
     
  28. Jul 1, 2020 at 1:37 PM
    #3898
    TruckyTruck

    TruckyTruck Dumbest Username

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  29. Jul 1, 2020 at 1:39 PM
    #3899
    TruckyTruck

    TruckyTruck Dumbest Username

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    When this version comes out, will simply shifting into S also lock the torque converter?
     
    HulkSmurf14 likes this.
  30. Jul 1, 2020 at 3:53 PM
    #3900
    Ericsopa

    Ericsopa Old man and the sea

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    Thank you, Mat.
     

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