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Which octane is everyone using

Discussion in '3rd Gen. Tacomas (2016+)' started by yoda16, May 29, 2016.

  1. Oct 5, 2021 at 5:15 PM
    #201
    TRD-Troll

    TRD-Troll Ban the Mods

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    87

    Also try to avoid the corn gas
     
  2. Oct 5, 2021 at 5:59 PM
    #202
    Jay745

    Jay745 My racecar is a vw

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    KdMax tuned, stock aside from cosmetics
    Mine is tuned for 91, but I put 93 in it
     
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  3. Oct 5, 2021 at 6:28 PM
    #203
    TheSortaHawaiian

    TheSortaHawaiian Well-Known Member

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    I dont understand why the Tacoma manual just doesn't say "use 87.". The truck isn't tuned for anything higher....it's not like it's a forced air engine...the manual should just say 87.
     
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  4. Oct 5, 2021 at 9:32 PM
    #204
    CPS-65

    CPS-65 Well-Known Member

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    That’s a good question. An internal combustion engine actually requires less octane at a higher altitude because there is less air filling the cylinders and less cylinder pressure is produced. Of course, this assumes a naturally aspirated engine and a static timing curve.
    If you went from sea level to a high pass like Tioga which is just under 10,000 ft, the octane requirement is substantially less. At one time, lower octane fuel was sold in high altitude areas. However, once you descend to a lower altitude, the octane requirement goes up.
     
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  5. Oct 5, 2021 at 9:36 PM
    #205
    CPS-65

    CPS-65 Well-Known Member

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    It’s also an aluminum head motor and pulls heat out of the combustion chamber faster which is why it can run a higher compression ratio and not detonate.
     
  6. Oct 5, 2021 at 11:07 PM
    #206
    TazTheTaco

    TazTheTaco Member

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    Eh I use 87 because I feel like the Tacoma engines aren’t optimized to even benefit from higher octane fuels. Less money out of my pocket for the same result.
     
  7. Oct 5, 2021 at 11:21 PM
    #207
    MaverickT883

    MaverickT883 Probably out wheeling.

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    OV Tuned, Firestone Airbags, 32s, and more.
    91, but only because I'm tuned for it. Stock tune i ran 87 and it ran just fine.
     
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  8. Oct 5, 2021 at 11:22 PM
    #208
    TazTheTaco

    TazTheTaco Member

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    What tune did you get??
     
  9. Oct 5, 2021 at 11:43 PM
    #209
    FL_TRD Sport

    FL_TRD Sport Very Well Known in His Own Home

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  10. Oct 6, 2021 at 12:01 AM
    #210
    MaverickT883

    MaverickT883 Probably out wheeling.

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    OV Tuned, Firestone Airbags, 32s, and more.
    I'm running OVtune 2.0, premium, 33 inch tires.
     
  11. Oct 6, 2021 at 12:03 AM
    #211
    TazTheTaco

    TazTheTaco Member

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    I’m on 265/70/18. So pretty close to 33s. Do you see a benefit from the tune? Worth it?
     
  12. Oct 6, 2021 at 1:02 AM
    #212
    MaverickT883

    MaverickT883 Probably out wheeling.

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    Oh absolutely. Makes the truck so much more fun. I spin the tires on dry pavement now lol, and it doesn't hunt. @tonered is the man to go to if you have more specific questions, or the VF tuner forums.
     
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  13. Oct 6, 2021 at 2:48 AM
    #213
    I.eat.tacos

    I.eat.tacos Well-Known Member

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    JP5 or JP8. In a pinch, I'll run JP4.
     
  14. Oct 6, 2021 at 4:07 AM
    #214
    desmodue

    desmodue Unsprung member

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    Good parts cleaner, or to burn in kerosene lamps.
     
  15. Oct 6, 2021 at 4:53 AM
    #215
    DanoTay

    DanoTay Well-Known Member

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    I currently have an OV Tune that requires premium gas but will be switching to Coyoza tune because it is M/T specific and while Coyoza does not require premium I plan to stay with it because in British Columbia Chevron sells ethanol free 94 octane.:D

    BTW the OV Tune completely overcomes the wimpy low rpm performance of the 3.5 V6. I highly recommend getting any aftermarket ecu tune as the increase in performance is easily well worth the $.
     
  16. Oct 6, 2021 at 8:46 AM
    #216
    cryptolyme

    cryptolyme Well-Known Member

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    91 octane
    91 or 93. pulls timing and runs like hot garbage on 87. but i have the 2tr-fe I4. hunts for gears and shifts like crap too due to shifting too often with 87. it holds gears much longer with 91/93.
     
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  17. Oct 6, 2021 at 8:48 AM
    #217
    crazysccrmd

    crazysccrmd Well-Known Member

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    You'll be fine, I ran mine on 85 without any problems before I installed the supercharger. If you know you'll be doing heavy towing or driving down to a lower altitude it won't hurt to put in a higher octane but for your normal daily driving there is no need.
     
  18. Oct 6, 2021 at 8:57 AM
    #218
    Junkhead

    Junkhead TRDude

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    87 OR higher. It does not say designed to run on 87 only.
     
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  19. Oct 6, 2021 at 9:02 AM
    #219
    Junkhead

    Junkhead TRDude

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    Manual in my ranger said: “designed to run on 87 only”. Before reading my manual I decided to fill her up
    With 91 and she ran like shit.

    All my Japanese vehicles ran better and got better MPGs with 91 or higher E0. I’ve been using 91 E0 in my taco, even on the stock tune. No hesitations/jerkiness and whatever else people here complain about.
     
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  20. Oct 6, 2021 at 9:05 AM
    #220
    R4D4G4ST

    R4D4G4ST Well-Known Member

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    I came here just to post this video. EE always does a great job explaining some of the nuance. It's always a bit more complex than people realize.

    That said, I only run E0 87 octane at 5,000-10,000 feet of elevation where I spend most of my time.
     
    splitbolt likes this.

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