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Grade of fuel

Discussion in '3rd Gen Tundras (2014+)' started by blazin461, Nov 2, 2015.

  1. Nov 2, 2015 at 5:59 PM
    #1
    blazin461

    blazin461 [OP] New Member

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    Brand new guy here as of today. The build date on my new 2016 SR5 5.7 was to be yesterday. Am expecting delivery by November 15th. I am getting out of my 04 Ford F250 6.0L diesel. Have not run a gas truck since 2002. My question is what octane or grade of gas do I run in this new 2016 5.7L? Also, are fuel additives or fuel system cleaners necessary in this engine?
     
  2. Nov 2, 2015 at 6:25 PM
    #2
    csuviper

    csuviper Moderator Staff Member

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    Location makes a difference. Where do you live?
    Here in co we can get away with lower octane because of the higher altitude. I run only mid grade which is 87 here.

    Oh and welcome!
     
    Last edited: Nov 2, 2015
  3. Nov 2, 2015 at 6:29 PM
    #3
    Sean266

    Sean266 #ThinBlueLine Staff Member

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    Welcome!
    I run mid grade (Shell) you should be fine with unleaded....unless you're supercharged :burnrubber:
     
  4. Nov 2, 2015 at 6:32 PM
    #4
    andrew

    andrew where's the beer?

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    I used to run 89 the first 20k miles, but then started using 87. Never had any issues and to be honest couldn't really tell a difference in gas mileage or anything. Some people claim they can, most can't. But as sean mentioned, unless you're supercharged or anything you should be fine on the 87
     
    Last edited: Nov 2, 2015
  5. Nov 2, 2015 at 6:36 PM
    #5
    matluth

    matluth Fish On!

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    Welcome from Aurora, CO. You should use 87. Higher octane or lower octane will not make much of a difference. Your engine is programed to be the most efficient at 87 octane unless you use a Bully Dog tuner to change the factory programming.
     
  6. Nov 2, 2015 at 6:43 PM
    #6
    csuviper

    csuviper Moderator Staff Member

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    Lower altitude filling stations have 87/89/93.
    Higher altitude filling stations have 85/87/91.
     
  7. Nov 2, 2015 at 6:44 PM
    #7
    csuviper

    csuviper Moderator Staff Member

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    I would go 89 at lower altitude.
    87 at higher.
     
  8. Nov 2, 2015 at 6:47 PM
    #8
    Sean266

    Sean266 #ThinBlueLine Staff Member

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    Post 3,999.
    Ocd going nuts...make that a 4K post!
     
  9. Nov 2, 2015 at 6:51 PM
    #9
    matluth

    matluth Fish On!

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    If I'm not mistaken, if you buy your tundra in Cali for example, it's programmed for that state's fuel regs/requirements. 2 or 3 octane difference is no difference other on your pocket book. Example : LA beach, surfing = 0ft altitude. Within one hour you can be skiing at Mt Wilson at 5700 ft. 87 or 89??
     
  10. Nov 2, 2015 at 7:10 PM
    #10
    blazin461

    blazin461 [OP] New Member

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    I am in Michigan. I did read something about that these engines are designed to run on 87 octane grade.
     
  11. Nov 2, 2015 at 7:16 PM
    #11
    matluth

    matluth Fish On!

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    The thing is...............where is the split from low altitude to high altitude? (Gee I started at 0 ft and now I'm at 2800 ft, should I switch to 87 octane now or wait until I get to 5280 ft? Check with your local Toyota dealer on what octane they recommend for your driving conditions in your state/area. (I bet it will still be 87).
     
    Last edited: Nov 2, 2015
  12. Nov 2, 2015 at 9:26 PM
    #12
    bobeast

    bobeast really old member

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    Spec calls for 87. Just always buy top tier and you should have no problems. Contrary to what the next guy is about to tell you, buying a higher octane grade than your vehicle is tuned for is a complete waste of money.
     
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  13. Nov 3, 2015 at 5:45 AM
    #13
    matluth

    matluth Fish On!

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    Agreed. I have a friend who lives in Big Bear, CA and is now retired. Before he retired he drove from Big Bear to Riverside to work (ouch). High altitude, 6700ft to 800ft. Lots of time spent on freeways but then again lots of time up in the mountains. 87 is available at both climes for a reason.
     
  14. Nov 3, 2015 at 6:48 AM
    #14
    blazin461

    blazin461 [OP] New Member

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    What would you consider top tier?
     
  15. Nov 3, 2015 at 9:01 AM
    #15
    TruckLife900

    TruckLife900 All Eyez On Me

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  16. Nov 3, 2015 at 4:40 PM
    #16
    matluth

    matluth Fish On!

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  17. Nov 4, 2015 at 4:31 AM
    #17
    Airbagged

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    I only run REC fuel with no ethonal, I get on average 1-2 miles more per gallon running the rec fuel over running regular fuel with ethonal in it. The octane of the REC fuel I run is typically 90. One of the first mods to my truck was the transfer flow 46 gallon tank so it makes it easier for me to find gas stations that sell REC fuel, I also use a fuel finder app on my phone that tells me stations that sell REC fuel. Running this fuel I don't have to worry about all the issues with ethonal fuels, which in my humble opinion suck!!!
    Ethonal fuels cause all sorts of issues from gumming up to water build up in the fuel tank. Ethonal fuel also has less potential energy per molecule of fuel, so any savings in cost is negated in the long run.
     
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  18. Nov 4, 2015 at 5:23 AM
    #18
    chphilo

    chphilo New Member

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    I've been using 87 since when I got my truck. I've tried higher octane fuel, but I saw absolutely no difference in terms of power or mpg. So I went back to 87. The truck has been running flawless so far.
     
  19. Nov 4, 2015 at 5:33 AM
    #19
    Airbagged

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    I think a lot of people want to add gas to a tank, and see some sort of instant reaction, but in reality it's more about long term effects on the engines internal components. Less carbon buildup, less pre detonation, there are a lot of added benefits to running a cleaner higher octane fuel on a regular basis. Just because you don't feel a difference after fueling up, doesn't mean your engine is not benefitting from running a better fuel. The added cost to run better fuel to me is worth it!
     
  20. Nov 4, 2015 at 5:43 AM
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    chphilo

    chphilo New Member

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    You may be right. I didn't use 93 for an extended period. But there have been others who used it for a longer period and they come away with the same conclusion, no difference. Toyota's own recommendation is 87 (higher for supercharged Tundra). I tend to stick with Toyota's recommendation unless I see a clear evidence otherwise. There have been some guys who claimed that 0w-20 is not good for Tundra, They recommend 5w-30, 5w-40, etc. Unless I see a clear evidence supporting their claim, I usually stick with oem recommendation (I use 0w-20, Mobil1). I guess I am a conservative in that respect.
     
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  21. Nov 4, 2015 at 5:51 AM
    #21
    Airbagged

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    I've worked on engines for quite a while now, and taken many apart, I've seen the internal difference of running different fuels, which is how I come to my personal conclusion. I'm also just old enough to remember carborators and have rebuilt a crap load of them! Running Fuels containing ethonal in anything with a carb is a big mistake!! Yes I know we don't run carbs in our modern fuel injected engines, but that doesn't mean we don't get similar deposits in our fuel systems.
     
  22. Nov 4, 2015 at 6:04 AM
    #22
    Airbagged

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    Fuels that contain Ethonal will develop water in the tank, which is a direct result of ethonal absorbing water once the ethonal is saturated it separates and the heavier water settles to the bottom of your tank, which is directly where your fuel pick up takes in the fuel. There is also a bacteria which develops do to the presence of the ethonal and water combination which causes a sludge like buildup. There are enzymes you can add to the fuel to try and prevent this, but then your just adding to the overall cost of your fuel fill up.

    image.jpg
     
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