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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. Jul 11, 2019 at 3:41 PM
    Hinder

    Hinder Member

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    I noticed a mild shutter after about 500 miles on 1.05.1 87 base. Can’t remember if ac was on. It’s so mild I wasn’t sure if it was the road or shutter. It happened around 1,200 rpm around 50 to 55 mph.
     
  2. Jul 11, 2019 at 4:25 PM
    2001 4x4

    2001 4x4 Well-Known Member

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    1.05 FOB 91
    @OVTune, the gains you have posted about the dump tubes are in comparison to the STOCK TUNE...
    Expected gains with tune and dump tubes :
    93 octane Tune + exhaust : 20-25 hp gain
    91 octane Tune + exhaust : 16-20 hp gain
    more than 40-50 ft lbs can be gained in lower RPM where it is not possible with the stock tune.

    So what kind of gains can we expect for those of us currently running 1.05?
     
    Crimson Flam3s and Melmantaco like this.
  3. Jul 11, 2019 at 4:31 PM
    Melmantaco

    Melmantaco Well-Known Member

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    Great question
     
  4. Jul 11, 2019 at 4:36 PM
    Shellshock

    Shellshock Guy who drives a lot

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    Who cares about 1.05 numbers. Gimme the 2.0 hotness!
     
  5. Jul 11, 2019 at 4:46 PM
    2001 4x4

    2001 4x4 Well-Known Member

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    I'm curious about how much more gain the dump tubes are going to give us compared to what we have right now...not compared to what our truck was like before OVTune.
     
  6. Jul 11, 2019 at 4:50 PM
    Shellshock

    Shellshock Guy who drives a lot

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    Pretty sure there’s 2.0 and 2.0 dump tube numbers coming
     
    tonered, 2016trdtacoma and 2001 4x4 like this.
  7. Jul 11, 2019 at 4:52 PM
    CTtoNoVa

    CTtoNoVa Well-Known Member

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    What are the thoughts on 93B? Most people comment on 87 to 91, but not 91 to 93. I’m sitting at 91B and have tried 87B and P. Wondering if I should try 91p and 93b/p
     
  8. Jul 11, 2019 at 4:57 PM
    riz_atx

    riz_atx #TexasToyotaCoalition

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    If you have easy access to 93, then go for it! I usually just run 93 p
     
  9. Jul 11, 2019 at 4:57 PM
    jubreunig

    jubreunig 3" RC, 20x9 285/55

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    i'm sure you will get not a clear answer. however, same time last year, there was a amount between 22-28 HP with 93. and 18-22 HP with 91. Now the values are
    "Peak top end HP gains 10-17HP (measured at wheel) (stock vehicle 91 octane)"
    very dynamic values over the last 10 month
     
  10. Jul 11, 2019 at 5:02 PM
    OVTune

    OVTune [OP] Well-Known Member

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    OVTune
    I can post dyno results with dump tubes and 1.05 tune if you'd like but it as explained before VVT needs changed significantly, so running 1.05 + dump tubes is not ideal vs dump tube specific tunes.

    Above 5000 rpm there is about a 10-12hp loss vs 1.05 stock exhaust. This is due to VVT changes needed.

    So basically if this makes sense :
    Stock exhaust + 1.05 around 15-17 hp gain
    Dump tube + 1.05, HP loss vs stock above 5000
    Dump tube + dump tube tuning - 24-27HP


    So, from what we tested, if you run a truck with dump tubes and stock tune you are likely to lose some top end power.
    If you run dump tubes + 1.05, gains are less than stock exhaust + 1.05. If you use dump tube + dump tube tune - gains are better than any other combination.
     
  11. Jul 11, 2019 at 5:05 PM
    OVTune

    OVTune [OP] Well-Known Member

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    OVTune
    Yes we use these number because it's dyno jet "the standard" even though we've made more before. These are peak quoted values after 6000rpm which nobody really cares about, but there are bigger gains in lower rpm.
     
    xxTacocaTxx and Inferno__Taco like this.
  12. Jul 11, 2019 at 5:06 PM
    2001 4x4

    2001 4x4 Well-Known Member

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    1.05 FOB 91
    OK Cool!
    This is what I was looking for (Stock exhaust + 1.05 around 15-17 hp gain) vs (Dump tube + dump tube tuning - 24-27HP)
    So those of us that are currently running 1.05 should see a 10HP gain if we get the dump tubes and the new tune.
     
    BOMBS likes this.
  13. Jul 11, 2019 at 5:08 PM
    OVTune

    OVTune [OP] Well-Known Member

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    OVTune

    Correct. But if you DONT use the new tune you're likely to see a 10+HP LOSS, which is why we made dump tube specific tunes.
     
  14. Jul 11, 2019 at 5:09 PM
    jubreunig

    jubreunig 3" RC, 20x9 285/55

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    do you want to know what the 10 hp will bring you if they are at 5000 rpm - nothing at all - only at the paper!
     
    2001 4x4 likes this.
  15. Jul 11, 2019 at 5:30 PM
    CTtoNoVa

    CTtoNoVa Well-Known Member

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    I do and it’s only like 5 cents more a gallon than 91
     
    riz_atx likes this.
  16. Jul 11, 2019 at 5:32 PM
    CTtoNoVa

    CTtoNoVa Well-Known Member

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    I usually putt around town at 6,000 rpm. You?
     
    HelloMyNameIs, Cav_BluTRD and riz_atx like this.
  17. Jul 11, 2019 at 6:44 PM
    GoldenBrew

    GoldenBrew Over-Geared according to the "Math"

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    just give me 1.05 on the 2.0 for 4.88's. I'll look for more gravy on the potatoes and icing on the cake another day. Thank you.
     
  18. Jul 11, 2019 at 10:53 PM
    St.Germain

    St.Germain 5° caster

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    ok @OVTune I'm ready for the tube tune. are you? have you made it through all the remaining zendesk tickets? I'm not installing these until i have the software. :confused:
     
    2016trdtacoma likes this.
  19. Jul 12, 2019 at 3:14 AM
    Deucer01

    Deucer01 Well-Known Member

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    Would the air/fuel mixture be dangerously lean without the dump tube specific tune?
     
  20. Jul 12, 2019 at 5:19 AM
    Crimson Flam3s

    Crimson Flam3s Well-Known Member

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    @OVTune

    Are we ever getting 1.05 perf 87/91/93 dynos to compare to 2.0 or 2.0 + dumptube?

    Also soundclips would be nice lol
     
    stevotivo12 likes this.

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