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Tacoma ECU Tuning for 4.0L

Discussion in '2nd Gen. Tacomas (2005-2015)' started by OVTune, Jun 14, 2017.

  1. Jun 13, 2018 at 9:07 PM
    #2741
    White lightning boosted

    White lightning boosted Well-Known Member

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    Cool! Custom tuning:)
     
  2. Jun 13, 2018 at 9:19 PM
    #2742
    White lightning boosted

    White lightning boosted Well-Known Member

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    Any rough timeline for custom tuning @OVTune ?
     
  3. Jun 13, 2018 at 9:27 PM
    #2743
    rheath08

    rheath08 Well-Known Member

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    @OVTune the switching if you ecu is unsupported. What does that entail? Trading the handheld for the custom tuning software?
     
  4. Jun 14, 2018 at 9:31 AM
    #2744
    Voodoo Rufus

    Voodoo Rufus Well-Known Member

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    Thanks for the update, OVTune. I would prefer the handheld solution, but am curious about the new system.
     
  5. Jun 17, 2018 at 2:26 AM
    #2745
    OVTune

    OVTune [OP] Well-Known Member

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    as soon as the software is finished I will have more details,

    wanted to let everyone know we now have injector size scale tuning that can now size up new injectors in the ecu accurately.
     
    Norton, jojotoo, Taco Suave and 2 others like this.
  6. Jun 17, 2018 at 4:01 AM
    #2746
    loginfailed

    loginfailed Well-Known Member

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    I’m listening
     
  7. Jun 17, 2018 at 8:20 AM
    #2747
    BillDaCat8

    BillDaCat8 Well-Known Member

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    My shit is all stock.
    So Mat @OVTune
    Will I be sending my handheld back to you to exchange for a different one ?
     
    Destructo likes this.
  8. Jun 17, 2018 at 5:38 PM
    #2748
    o0opackersfano0o

    o0opackersfano0o Well-Known Member

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    Magnuson supercharger, 2.6 quick change pulley, 76mm throttle body, Doug thorley long tubes, urd y pipe, wot box with 2 step, 170 thermostat, airaid intake, urd short throw, djm 3/4
    Oh man good to hear. Maybe I will keep my injectors now :)
     
  9. Jun 18, 2018 at 1:54 AM
    #2749
    OVTune

    OVTune [OP] Well-Known Member

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    OVTune

    I'm working out the details but likely plan on offering a free exchange service for anyone who has a handheld and it is not working with their ECU. All you would need is a windows laptop and we will supply everything else.

    It will also allow for custom tuning. (I'm also working on getting datalog recording access on the handhelds so we can customize tunes for handheld owners.)

    Baby steps on this stuff because we have to wait for an outside company for handheld logging, but with our software it's all in house.

    When I retunr from Asia I will be picking up a 4.0L truck. Now that we have pretty much the entire ECU mapped out and can control practically everything... I think a nice bolt on Turbo kit and some E85 tuning is in the future. Probably make some Ethanol maps for the TRD supercharger on various pulleys as well.
    If you look at our 3.5 tacoma development, once we have a truck in hand our development process increases 1000x over what we can do right now.

    will have to see what transmission/year is the more popular option. Would love to hear anyone's opinions!

    If anyone knows of a quality bolt on turbo kit that already exists, please inform me!

    Since we have recently cracked deeper into this ECU now anything is possible.
    We know how to change load axis controls for higher load.. Injectors, Fuel compensation for airflow so much stuff. I don't get back to america until July so I will keep everyone updated.
     
    Last edited: Jun 18, 2018
  10. Jun 18, 2018 at 10:07 AM
    #2750
    TRON

    TRON Well-Known Member

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    E85 and TRD SC sounds good. Even better would be controlling a 7th injector. News Break... There are not any bolt on turbo kits for the 4.0 All the tacoma turbos are custom built. STS had one but @Torspd can tell you first hand don’t buy that one
     
  11. Jun 18, 2018 at 10:28 AM
    #2751
    Torspd

    Torspd Tor-nication

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    Amen to it all.
     
  12. Jun 18, 2018 at 10:39 AM
    #2752
    Murphinator

    Murphinator Well-Known Member

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    Isn’t it dangerous to run E85 with out something to check the ratio of ethanol in the fuel, like a flex fuel sensor? Even if you bought a flex fuel setup I am not sure the stock ecu could ever understand that information?
     
    TRON likes this.
  13. Jun 18, 2018 at 10:47 AM
    #2753
    TRON

    TRON Well-Known Member

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    That’s a good question @Murphinator I definitely would not run e85 without a flex fuel sensor running properly.
     
    Murphinator likes this.
  14. Jun 18, 2018 at 5:38 PM
    #2754
    Lord Helmet

    Lord Helmet Prepare To Attack

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    The sound of a turbo spooling up on the 4.0L would be sexy AF! :drool: Turbo>SC all day every day :thumbsup:
     
  15. Jun 18, 2018 at 9:40 PM
    #2755
    Norton

    Norton Senior Member

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    Are any additional updates/tweaks recommended for those of us with "standard" Magnuson S/C installs for which your "canned" tune is working?
     
  16. Jun 19, 2018 at 12:12 AM
    #2756
    OVTune

    OVTune [OP] Well-Known Member

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    Yes, changes to shift tables and some more fuel tweaks. Reworking ignition compensations and some other things.
    Plan now is to find a stock or close to stock 4.0 truck to begin on when I return to the states.
    N/A > Supercharger with standard pulley > smaller pulleys > bigger injectors >Ethanol tuning. No worries on having a way to watch ethanol, Good friend of mine makes a very nice plug and play setup with bluetooth and you can watch ethanol content on your phone.
    Big thing with the S/C and changing pulleys is heat management more than anything else.
    After that I'll look into TurboSource building a bolt on EFR turbo kit and build the engine.
     
  17. Jun 19, 2018 at 1:56 AM
    #2757
    ThomasMore66

    ThomasMore66 We can't stop here, this is bat country!

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    You still in Italy? I’m here for 12 days. Awesome place.
     
  18. Jun 19, 2018 at 4:49 PM
    #2758
    bobsuruncle

    bobsuruncle PhD in voiding warranties

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  19. Jun 19, 2018 at 5:25 PM
    #2759
    taco2010trd

    taco2010trd Cyber Bully

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  20. Jun 19, 2018 at 5:53 PM
    #2760
    Voodoo Rufus

    Voodoo Rufus Well-Known Member

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    Downloading a nice fat update to my handheld. Do I dare yank the UCON again to see if I can grab my ECU ROM?
     
    Biscuits and Murphinator like this.

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