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Better Gas mileage with Premium?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by error_repair, Feb 13, 2009.

  1. Feb 13, 2009 at 2:32 PM
    #1
    error_repair

    error_repair [OP] Member

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    Just north of Toronto
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    nothing yet
    I decided after only getting about 400kms per tank to try a few tanks or premium 91. I get about 500-525km now with premium. Anyone else notice the difference?
     
  2. Feb 13, 2009 at 2:35 PM
    #2
    AK27

    AK27 Well-Known Member

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    ya same thing here, prem gets me a heck of a lot more kms
     
  3. Feb 13, 2009 at 2:42 PM
    #3
    whitebread

    whitebread Well-Known Member

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    Chris
    Raleigh, NC
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    Leer 100XL and a bunch of off-roading scars.
    Yes, I was getting about 18 mpg with 87 octane, and switching to 93 octane gave me just over 21 mpg.
     
  4. Feb 13, 2009 at 2:43 PM
    #4
    AK27

    AK27 Well-Known Member

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    goddamn ethanol.....
     
  5. Feb 13, 2009 at 2:44 PM
    #5
    Bakemono

    Bakemono Wrath of the runbird

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    Most likely has to do with the ethanol. Around here, 93 octane does not contain ethanol and you dont get the same energy from E-10 (gas with a 10% ethanol blend) as you do from 100% gasoline.
     
  6. Feb 13, 2009 at 2:50 PM
    #6
    papabear050

    papabear050 Well-Known Member

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    Same between 89 and 91 for me.... 89 runs just as good I think.
     
  7. Feb 13, 2009 at 2:53 PM
    #7
    AK27

    AK27 Well-Known Member

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    i dont think the octane rating really matters with our trucks, i think it is mostly the ethanol that affects the mileage. i could be wrong though:D
     
  8. Feb 13, 2009 at 2:55 PM
    #8
    error_repair

    error_repair [OP] Member

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    nothing yet
    Any one run 94 octane and notice even more of a difference?
     
  9. Feb 13, 2009 at 2:58 PM
    #9
    AK27

    AK27 Well-Known Member

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    which company offers 94 oct?
     
  10. Feb 13, 2009 at 2:59 PM
    #10
    error_repair

    error_repair [OP] Member

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    nothing yet
    Sunoco Ultra 94.. Dunlop and Ferndale
     
  11. Feb 13, 2009 at 3:00 PM
    #11
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    FlimFlubberJAM
    Tenoe, AZ
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    4.10 gears, sliders, and lots of buttons.
    I have tested this, and found, on average, about 2 mpg. better with 91 vs. 87.
     
  12. Feb 13, 2009 at 3:01 PM
    #12
    AK27

    AK27 Well-Known Member

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    lol nice, i'll hit the one just down the street from my house next, i'm up in the east end (georgian and johnson)

    i usually dont buy prem fuel here, i go out to rama and get it cheap:D fill a few jerry cans
     
  13. Feb 13, 2009 at 3:01 PM
    #13
    AK27

    AK27 Well-Known Member

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    i've been waiting for you to chime in chris! how ya doing??
     
  14. Feb 13, 2009 at 3:02 PM
    #14
    error_repair

    error_repair [OP] Member

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    How much cheaper at Rama? I am in the South End.. Do you work in Barrie? I work at RVH
     
  15. Feb 13, 2009 at 3:04 PM
    #15
    AK27

    AK27 Well-Known Member

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    what ever the price is in barrie take off the 14.7cent tax. I dont work in barrie, but am looking for a new job here. that is friggin funny, my house is right behind the RVH!
     
  16. Feb 13, 2009 at 3:11 PM
    #16
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Im doing good, :D
     
  17. Feb 13, 2009 at 3:29 PM
    #17
    papabear050

    papabear050 Well-Known Member

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    Anyone see a diffrence between 89 and 91...

    I always see 87 vs 91, but what about 89 vs 91?
     
  18. Feb 13, 2009 at 3:30 PM
    #18
    AK27

    AK27 Well-Known Member

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    not likely going to be a big difference since mid grade has 5% ethanol in it, would be a lil better than the 87 octane
     
  19. Feb 13, 2009 at 3:45 PM
    #19
    papabear050

    papabear050 Well-Known Member

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    Here in So Cal, 91 has ethanol also... like 10%

    Thats probably y it all seems the same to me. I never ran 87 though and don't plan on it.
     
  20. Feb 13, 2009 at 3:47 PM
    #20
    AK27

    AK27 Well-Known Member

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    ya up here its 10% ethanol for 87, 5%for 89 and most places no ethanol in the premium
     
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