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2016+ Toyota Tacoma OVTUNE 1.05 - Tune Development thread

Discussion in '3rd Gen. Tacomas (2016+)' started by OVTune, Jun 9, 2017.

  1. Nov 5, 2019 at 6:18 PM
    johntoyota

    johntoyota "I'm higher than you'll ever be." -Treetop

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    I assumed it was like temp and that the TC temp would be even higher which is why I didn’t like what I saw. The app I use doesn’t say where the temp is measured so I’m not sure. I just don’t like to see it. I’m not saying it’s bad based on science, but my old school brain says no bueno.
     
  2. Nov 5, 2019 at 6:23 PM
    G8R_Taco

    G8R_Taco x-x-x

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    I feel ya. I'm ancient. Get you a scan gauge II. Displays both temps. You would dig it. You have to "program" it for those channels but it's easy.
    https://www.amazon.com/ScanGauge-Automotive-Computer-Customizable-Real-Time/dp/B000AAMY86/ref=sr_1_3?crid=7ID0K2DLITMG&keywords=scangauge+2&qid=1573006960&s=electronics&sprefix=scan+gauge%2Celectronics%2C309&sr=1-3

    EDIT: most of the color in your ATF is due to the wearing of the material on the bands on the clutch packs. Dump and fill every 30k and roll on brother.
     
  3. Nov 5, 2019 at 6:28 PM
    SC4333

    SC4333 Well-Known Member

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    So it will actually warm up to operating temp in cold weather conditions. Between the added cost and complexities, you can bet your ass they didn't just decided it needed a thermostat for no good reason.

    With all that said, I wouldn't be opposed to pinning the thermostat if I was headed out for a long haul and was pulling a trailer, but for everyday driving in cold weather conditions, I'd say it's not the greatest of ideas.
     
    Shellshock and G8R_Taco like this.
  4. Nov 5, 2019 at 6:42 PM
    G8R_Taco

    G8R_Taco x-x-x

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    Precisely. :thumbsup:

    Any members running 19800 91 octane on 04B31 please share your thoughts. And 19800 87 octane as well. I did not give it much time after getting used to 19770 and flashed back after about 250 miles because I missed the punch and smooth and predictable downshifts. I'm growing weary of paying for 91 octane but absolutely love how the truck drives. Granted, in 4Lo the tip in is challenging but I don't do that as often as I'd like. I love Mat's idea of 19770 with a 19800 throttle map for first gear.
     
    El Chivo Norteño likes this.
  5. Nov 5, 2019 at 7:24 PM
    jekerskel

    jekerskel Well-Known Member

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    The brown color was likely not temp related but clutch material which is quite normal. I have seen Toyota trannies go many hundreds of thousands of miles with the fluid never being changed. Synthetic atf can survive well above 200 degrees and still be doing its job. The tundra transmission sees temps that high all the time and is a proven transmission capable of going to at least 500k without a fluid change. The old saying is true, just because it’s black doesn’t mean it’s still not motor oil. Same for transmission fluid. Just because it’s dark red or even brown does not mean it still isn’t good fluid.
     
  6. Nov 5, 2019 at 7:33 PM
    GoldenBrew

    GoldenBrew Insufficient Privilege

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    It's going to exceed the threshold for fluid measuring temp (98-115) unless your trip distance is down the driveway and back. If you are sub-zero for normal ambient temps then pinning would not be a good idea. Not sure what cold is for you - I keep mine in the garage so even freezing (32) equates to internal block temps of mid 40's and by the time you let it warm and drive a 1/4 block it is up to 70. Viscosity not an issue at either temp.

    And just to get back on topic....NEED MORE 2.0 SOON!
     
    Last edited: Nov 5, 2019
  7. Nov 5, 2019 at 8:06 PM
    GoldenBrew

    GoldenBrew Insufficient Privilege

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    ^^^ This is you want to know as related to this
     
    Last edited: Nov 6, 2019
  8. Nov 6, 2019 at 5:09 AM
    OVTune

    OVTune [OP] Well-Known Member

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    Good News, 2018/2019 handheld OFT 10003 code has been fixed, and we are working on a software wide update for everyone right now
     
  9. Nov 6, 2019 at 5:27 AM
    20tacoma17

    20tacoma17 Well-Known Member

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    Any Updates on the pre- ordered HHU?
     
  10. Nov 6, 2019 at 8:15 AM
    Shellshock

    Shellshock King Shit of Turd Island

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    he literally said that in the post you quoted...

    we are working on a software wide update for everyone right now
     
    johntoyota, mZiggy, BlkTaco47 and 2 others like this.
  11. Nov 6, 2019 at 8:37 AM
    Stoked4

    Stoked4 Well-Known Member

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    i to am on 04b04 but can’t seem to download 2.0
    It always says error when I press download .....
     
  12. Nov 6, 2019 at 8:40 AM
    Technique

    Technique Well-Known Member

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    You have to download it from the website. Pretty sure 2.0 EROM download doesnt work from the app.
     
  13. Nov 6, 2019 at 8:42 AM
    Cricketeer

    Cricketeer owned by bird dogs

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    https://www.ovtuned.com/pages/2-0-public

    Did you download the tune from this link?
     
    xxTacocaTxx likes this.
  14. Nov 6, 2019 at 8:48 AM
    TRDOBSESSED

    TRDOBSESSED Well-Known Member

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  15. Nov 6, 2019 at 9:15 AM
    Steelhead Taco

    Steelhead Taco Well-Known Member

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    Oh my, guess there was left over candy from Halloween @OVTune , another competitor, can this be squeezed too?
    F816C7EF-232A-4F3B-9B97-A3A7EFAAA274.jpg
     
  16. Nov 6, 2019 at 10:21 AM
    PhogDog

    PhogDog Well-Known Member

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    Razor24 and TRDOBSESSED like this.
  17. Nov 6, 2019 at 10:30 AM
    SpeySquatch

    SpeySquatch Function over Form

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    Not to get off topic, but when you say “dump and fill” are you speaking to the 3 quarts in the pan or the entire 12 quarts in the transmission?
     
    Last edited: Nov 6, 2019
  18. Nov 6, 2019 at 11:13 AM
    G8R_Taco

    G8R_Taco x-x-x

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    I was referring to the 3 quarts in the pan. Some folks repeat this 3 times after running it for about 30 seconds in between dump/fill. I haven't even reached 7k at this point and not sure how I will incorporate ATF into normal maintenance. I got the scan gauge to check the factory fill level and it was about a 1/2qt low. I think I will wait for 30k and see what the fluid looks like. Also considering doing the 3qt dump and fill every 10k with oil change. That should keep it from ever getting too nasty.
    Since there is technically no interval for ATF fluid change unless under extreme service leaves you to wonder. I have read many threads and the consensus seems to be 30k. One member waited until 50k and his fluid was pretty dark. Please share your thoughts!
     
    SpeySquatch likes this.
  19. Nov 6, 2019 at 11:36 AM
    trdsilver

    trdsilver Well-Known Member

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    OVTune, King 2.5", Total Chaos UCA's, Icon RXT Leaf, Icon Rear Bumps, Pelfreybuilt Silders, JL Audio, Cali-Raised LED, Toyo RT 285-70-17
    I've flushed my transmission fluid as well. I have seen temps in the 240's with the tune while towing my 2 ton dual axle trailer up steep highway grades (2.5 tons when wet/loaded up). The fluid certainly smelled BURNT.

    My concern is whether or not the torque converter is open during high power freeway pulls (high RPM in 2nd gear or relatively high RPM in 3rd gear) generating excess heat.
     
  20. Nov 6, 2019 at 12:47 PM
    GPatriot

    GPatriot Well-Known Member

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    OVTune, 265/70/R17 KO2s, RCI Sliders, Misc mods to make mine unique
    On a trip from Cincinnati to Moab and back this past Sept (also towing my 4200lb camper) I was monitoring T-temps going over both sides of the IKE, and max temp reached was 242 degrees on the most serious part of the climb. Didn't smell anything and she ran just fine.
    Also after I returned home I had the dealer replace all my fluids (@46,000 miles). The tech said the fluid was dirty but not in bad condition. I think ya'll worry too much.

    Btw this was my second trip out west with the same truck towing same camper. No issues at all.
     
    Shellshock, trdsilver and BlkTaco47 like this.

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