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What octane gas do you use for your Tundra?

Discussion in 'Performance and Tuning' started by tundrathr0w, Jun 22, 2018.

  1. Mar 21, 2020 at 4:09 PM
    #271
    Flyinryank

    Flyinryank New Member

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    I keep it simple and run 87 and try to stick to “top tier”
    upload_2020-3-21_16-9-57.jpg
     
    georgiey22 and rebmo like this.
  2. Mar 21, 2020 at 4:16 PM
    #272
    B.Ross

    B.Ross New Member

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    Costco in Vegas....Was it a zoo? How long for gas? See any N.G.?

    I run 87 or 91 in my 12' 5.7 FFV.
     
  3. Mar 21, 2020 at 4:21 PM
    #273
    Flyinryank

    Flyinryank New Member

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    Gas is no crazier than normal. Grocery shopping is another story.
     
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  4. Mar 21, 2020 at 8:47 PM
    #274
    Tundra_power

    Tundra_power New Member

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    Yea keep it simple most of tundra owners will put 87 octane which is ok. But i dont want the wrong information going out to everyone. For example Lexus 5.7 engine has the same engine put requires 93 because to boost up power. This is from dap directly


    As we have reported with every truck we have tested on, 4.6L, 4.7L, 5.7L, all run best on 91+ octane weather they are completely stock with stock tune, or tuned. These engines pull 8-12 degrees of timing due to knock retard on 87 oct, 6-10 deg on 89oct, 2-6 deg on 91oct, and 0-2deg on 93oct. That is on a completely stock truck with factory tune.

    If you care about the engine in your $35,000-$65,000 truck as you think you do, you wont run anything but premium in it weather you are tuned or not tuned."

    And this is a guy that works and sweats everyday on tundra 5.7/4.6 and theres proof that the 5.7/4.6 runs better using 93 octane. Dyno proven!!!!!
     
  5. Mar 22, 2020 at 5:59 AM
    #275
    Moon Puppy

    Moon Puppy New Member

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    Any advantage going nonethanol? I was doing it both on my '18 and the wife's Venza. We've switched back out of convenience but I do run mid grade or better. Since I got the '20 limited i've only run mid grade or higher.
     
  6. Mar 22, 2020 at 6:13 AM
    #276
    Tundra_power

    Tundra_power New Member

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    It depends, non ethannol is staright gasoline which has a higher btu "higher energy level" than normal gas. Iv heard better mpg from non ethanol but higher octane will give you more power than anything its up to you though.. For me i run 93 octane always and my truck runs smoother less noisy, no pinging and more power...
     
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  7. Mar 23, 2020 at 8:41 AM
    #277
    TexasArdnut

    TexasArdnut New Member

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  8. Mar 23, 2020 at 8:46 AM
    #278
    TexasArdnut

    TexasArdnut New Member

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    If you want the real truth, go to Hemmings.com, Tech 101 - Octane

    Running 93 and claiming you get more power is in your mind. I’d like to see dyno runs burning 87 and 93 before anyone claims more power...
     
  9. Mar 23, 2020 at 8:48 AM
    #279
    TexasArdnut

    TexasArdnut New Member

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  10. Mar 23, 2020 at 10:04 AM
    #280
    Tundra_power

    Tundra_power New Member

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    Ask dap tune he will show you. And recent studies show that 93 octane has 10x more cleaning chemicals than 87 only in specify gas station. That article was back in 2014 and it was broad not specific to the 5.7 that dap has.
     
  11. Mar 23, 2020 at 11:19 AM
    #281
    TexasArdnut

    TexasArdnut New Member

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    10x more cleaning agents at a specific retailer? Which retailer? Where’s the data that indicates that?

    I don’t mean to question the validity of what you said but there is a lot of BS going around and without hard data, it’s just unverified claims. 10x the cleaning agent would cost the manufacturer more money to produce each gallon of fuel. If they are doing that, why aren’t they advertising it? It doesn’t make any sense to do what other producers don’t do and not advertise and charge extra for it.

    Could it be Chevron and their Techron?
     
    Cuban11182 likes this.
  12. Mar 23, 2020 at 11:53 AM
    #282
    Tundra_power

    Tundra_power New Member

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    Do your own research. Many case studies proven 93 has more cleaning additives than regular 87. Yes chevron, Sunoco, Mobil, Techtron. Im not getting into argument weather its better or not. Im just putting out the right info. If you believe 87 is better than ok its your opinion but dont put stuff out thats not true like 93 is horriable for the 5.7 and the engine is going to have incomplete burn which is 100% false. Like i said to others try it out if you dont like it go back to 87. Right now gas is cheap so why not. I will bow out for right now ✌
     
  13. Mar 23, 2020 at 12:38 PM
    #283
    vanthesupreme

    vanthesupreme I'm Batman

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    I use 91 or 93 octane regular. I have found out that when I put high octane regular my gas mileage is better over the ethanol or lower grade regular octane
     
  14. Mar 23, 2020 at 12:46 PM
    #284
    TexasArdnut

    TexasArdnut New Member

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  15. Mar 23, 2020 at 12:48 PM
    #285
    TexasArdnut

    TexasArdnut New Member

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    Yes, please bow out. Everything online refutes what you’re spewing out as correct data
     
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  16. Mar 25, 2020 at 8:58 AM
    #286
    TexasArdnut

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    Must view video. The truth about octane. The real truth regardless of what people claim about 93 giving your engine more power (LOL)

    https://youtu.be/Bb5VfiFy0kY
     
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  17. Mar 25, 2020 at 1:28 PM
    #287
    Flyinryank

    Flyinryank New Member

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  18. Mar 25, 2020 at 3:11 PM
    #288
    Tundra_power

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    Ok i just had to laugh. Lol this video contradicts what you saying about 93 fuel-burning slower. LAMO
     
  19. Mar 25, 2020 at 3:28 PM
    #289
    Flyinryank

    Flyinryank New Member

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    It burns the same speed but with higher octane engine timing is adjusted and can start burning sooner which typically creates a little more efficiency and power. That’s how I understand it anyways.

    Bottom line for me is to stay consistent with whatever you choose so your truck can adjust the ecu and run it’s best for the fuel you decide.
     
    Last edited: Mar 25, 2020
  20. Mar 25, 2020 at 4:12 PM
    #290
    Yodder J

    Yodder J New Member

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    Please respond to post 263 and 265. You appear to be justifying running higher octane fuel as the Tundra 5.7L has a compression ratio above 9.5:1 (it has 10.2:1) thanks
     
  21. Mar 27, 2020 at 7:36 AM
    #291
    Steelyhead

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    I’ve run both 87 and 92 in the 5.7 V8. Owners manual say 87, but I’ve always run 92. 87 seems to be fine no knock but 92 seems to give slight more power. I switch depending on price and time of year.usually get about 350-400 per tank depending on where I am and doing, doesn’t matter the octane !! My 2 cents.
     
  22. Mar 30, 2020 at 11:37 AM
    #292
    lonelydriver

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  23. May 9, 2020 at 2:24 PM
    #293
    jre5490

    jre5490 Rane

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    I use 89 because the GMC Sierra I had before this ran like crap if I used 87. I’ll put 87 in 4 cylinder vehicles but for a V8 no lower than 89.
     
  24. May 9, 2020 at 3:08 PM
    #294
    Yodder J

    Yodder J New Member

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    So my Tundra manual says:

    "87 (Research octane number 91) or higher"

    My engine has an after market tune, which does affect how it runs. The tune recommends 93 octane for best performance. IMHO the Tundra manual is not real clear because of the "Research octane number 91" in parentheses. The manual also says "or higher" and to me that means that running higher octane may indeed help the engine run better. In other words, 87 octane is the minimum Toyota recommends.

    Anyhow, 87 is fine but if you decide to run a higher octane and you think it does indeed help your truck run better (and we all know that when you constantly drive a vehicle, you get pretty in tune, pun intended, with how it runs and when there are problems, issues, or performance enhancements) then that's not necessarily money wasted.
     
  25. May 9, 2020 at 3:35 PM
    #295
    Turtle88

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  26. May 10, 2020 at 12:02 PM
    #296
    Ncherry84

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    Doesn't matter what I run, truck runs good and mileage sucksno matter what....so the cheapest 87 or equal priced mid grade I find when I need fuel.
     
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  27. May 10, 2020 at 12:05 PM
    #297
    EglSctAndy

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  28. May 10, 2020 at 12:33 PM
    #298
    BoxersBrew

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    Costco premium..
     
  29. May 13, 2020 at 8:28 PM
    #299
    jptshadow

    jptshadow New Member

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    um....E85 pump gas since day one.
     
  30. May 13, 2020 at 8:55 PM
    #300
    BoxersBrew

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    How many days has Day 1 been? I ran premium in my Taco since day 1 and then drove it 14 years and 213,000 miles.
     
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