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Tundra v8 better mpg

Discussion in '2nd Gen Tundras (2007-2013)' started by Frank-v8-Tundra5.7, Apr 13, 2022.

  1. Apr 13, 2022 at 11:51 AM
    #1
    Frank-v8-Tundra5.7

    Frank-v8-Tundra5.7 [OP] New Member

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    Usually people come here to ask for tips to improve the mpg. Tundras v8 5.7 are great and infamous for not good mpg. If you keep them without to many modifications they maintain 13/17/15 city/highway/combined.
    Well, mine is doing 18 mpg combined after installing a new set of Michelin Defender LTX 3 days ago + K&N oiled air filter. F8377002-648B-44DF-993F-4DED80D14F2E.jpg I am deeply impressed! So, I am bringing this solution to you all.
     
  2. Apr 13, 2022 at 11:57 AM
    #2
    Y0TA PR0

    Y0TA PR0 Dirt biking & fishing

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    lloydb82, ZPhilip, Sumo91 and 13 others like this.
  3. Apr 13, 2022 at 11:58 AM
    #3
    Kanobi13

    Kanobi13 New Member

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  4. Apr 13, 2022 at 12:04 PM
    #4
    Frank-v8-Tundra5.7

    Frank-v8-Tundra5.7 [OP] New Member

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    I know right? The mpg started to go higher over the 3 day.
    1. I restarted the mpg reading
    2. First day went up to 16.4mpg
    3. Second day to 17.4mpg.
    3. Third day to 18mpg.

    i have to see we’re all this goes and decide whether the TRD dual exhaust will make it even better.
     
    Filthyphil likes this.
  5. Apr 13, 2022 at 12:06 PM
    #5
    Frank-v8-Tundra5.7

    Frank-v8-Tundra5.7 [OP] New Member

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    Double cab
    First trip back from the dealer, about 25 miles

    B07769DF-8AA0-4A03-B26D-848A2E8A6494.jpg
     
    Last edited: Apr 13, 2022
  6. Apr 13, 2022 at 12:07 PM
    #6
    Frank-v8-Tundra5.7

    Frank-v8-Tundra5.7 [OP] New Member

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    Second day after 30 miles drive

    9B9829E5-33DE-4F5B-9FB0-5B86283D43EB.jpg
     
  7. Apr 13, 2022 at 12:07 PM
    #7
    Frank-v8-Tundra5.7

    Frank-v8-Tundra5.7 [OP] New Member

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    Third day, back home from work

    C40C936D-36F1-4448-8BD2-2FADC6B73B9E.jpg
     
    Last edited: Apr 13, 2022
  8. Apr 13, 2022 at 12:11 PM
    #8
    Frank-v8-Tundra5.7

    Frank-v8-Tundra5.7 [OP] New Member

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    This is my 2011 tundra v8 5.7 4x4 double cab

    0A91A229-FD21-493B-A5EC-2E7B5621F6EC.jpg
     
    Last edited: Apr 13, 2022
  9. Apr 13, 2022 at 12:14 PM
    #9
    Frank-v8-Tundra5.7

    Frank-v8-Tundra5.7 [OP] New Member

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    Go for it guys!! Tundras are really great! Oh, one detail. I use a lot the cruise control. That may be a contributing factor to the result too.
     
    Last edited: Apr 13, 2022
    Julikins53 likes this.
  10. Apr 13, 2022 at 12:37 PM
    #10
    Kanobi13

    Kanobi13 New Member

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    Lets do hand calc and see if you are actually getting
     
  11. Apr 13, 2022 at 12:55 PM
    #11
    0.S.T.

    0.S.T. New Member

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    EAST COAST
    2007 BLACK TUNDRA 4X4 CREWMAX LIMITED 5.7 LITER
    In my neck of the woods, they just switched from "winter" to "summer" blend fuel.

    I gained at least 1 mile per gallon.


    O.S.T.
     
  12. Apr 13, 2022 at 1:14 PM
    #12
    Frank-v8-Tundra5.7

    Frank-v8-Tundra5.7 [OP] New Member

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    And what about you getting tires too? Nevertheless, I will try to do hand calculations if you have doubts. In the past I did, when I was doing 15min, and actually I was doing like 15.4mpg or so. I suspect is gonna be higher than the tundra computer. In general the hand calculations are either very close or superior. I have never seen like 3 mpg less or so. The computer counts too and without any emotions about it. Jajaja
     
  13. Apr 13, 2022 at 1:18 PM
    #13
    Kanobi13

    Kanobi13 New Member

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    Prob go up from 275 70 to either 295 70 or 285 75 18. My hand calc are usually way off from computer.
     
  14. Apr 13, 2022 at 1:25 PM
    #14
    Frank-v8-Tundra5.7

    Frank-v8-Tundra5.7 [OP] New Member

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    i have bigger wheels (20’’ brand Fuel rather the 18’’ OEM) but the tires are original 275 55r20. No lift. I try to keep it original.
     
  15. Apr 13, 2022 at 2:03 PM
    #15
    borla123

    borla123 The Pits

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    Driver Grip Handle Borla Dual, Line X, ESP Underseat
    Little things combined add up for me.
    I found out that Borla made Toyota's exhaust - I put one on.
    Tonneau cover I believe helped.
    Understanding how the transmission shifts - trying to get smoother shifts points - helps
    K&N filter - maybe in the future.
    I get 12 - 13 L/100 combined. which is 18-19 mpg.
    the fact I get this loaded up I find incredible.
    But if I go 120 kph - 75 mph - it drops to 15-16 L/100 or 15 mpg.
    I keep the trip mileage computer on Total Average so it gives me more accurate readings for short trips and it can be reset while I drive.
    Otherwise trip average starts at 60L/100 - depressing.
     
    Last edited: Apr 13, 2022
    Shadowfax1 and Julikins53 like this.
  16. Apr 13, 2022 at 2:58 PM
    #16
    mountaingroan

    mountaingroan New Member

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    I owe several guys here an apology. I stated that there was no way in hell that they were averaging 18+ with a gen 2/2.5. Well, I bought a '20 Gen 2.5 DC 4wd and my wife drove it home and averaged 20.4 mpg from Powell WY, to St. Maries, ID. I thought she was full of it when she told me, until I filled her up several times and confirmed her exact mileage which was 100% the same.

    I've settled in at 18.8 with some around town/gravel driving at this point. I didn't think we would get even remotely close to those numbers and I'm pleasantly surprised.

    Three tanks in = 18.8 mpg. I agree that it's all about the tires. I'll put on some nice (lightweight) rims, but I'm keeping the stock rubber in these times of fuel gouging.
    I also have the factory TRD dual exhaust and suspect that it helps.
     
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  17. Apr 13, 2022 at 10:45 PM
    #17
    Frank-v8-Tundra5.7

    Frank-v8-Tundra5.7 [OP] New Member

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  18. Apr 13, 2022 at 10:50 PM
    #18
    Frank-v8-Tundra5.7

    Frank-v8-Tundra5.7 [OP] New Member

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    hello, thanks for telling your story. Coincidentally, in the past I had a Borla muffler straight through that gave 16.8-18mpg. I end up removing it because of the drone. But I missed it until now. I am still considering to put it back.
    Thanks again
     
  19. Apr 13, 2022 at 10:55 PM
    #19
    Frank-v8-Tundra5.7

    Frank-v8-Tundra5.7 [OP] New Member

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    thank you so much for sharing your experience in here!! The TRD dual exhaust is my next step. Do you get a lot of drone in the cabin from the TRD dual exhaust system? Please let me know.
     
  20. Apr 14, 2022 at 12:05 AM
    #20
    Kerplunk

    Kerplunk New Member

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    I'm not in a place to do averages just yet. All of my driving is stop/go city driving, but I know tires can make a big difference. I think the weight between the lightweight Contental HT vs the HD tires is 20 lbs a tire! I'm going to get the lighter tires because I don't need huge tow capacity.
     
    Filthyphil likes this.
  21. Apr 14, 2022 at 12:52 AM
    #21
    Saltyhero13

    Saltyhero13 Throbbing Member

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    Fuel delete mod Cup holder upgrade
    If this keeps going you'll be seeing 20MPGs in no time. Take that Gen 3 and he gets to keep the tow hooks.
     
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  22. Apr 14, 2022 at 2:37 AM
    #22
    Retired...finally

    Retired...finally Utilizing that doctorate of procrastinatory arts

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    Bump the tire pressure up to 35 ft, 38 rear. Feather-foot the go pedal and don't drive on days that end in "Y".
     
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  23. Apr 14, 2022 at 4:42 AM
    #23
    borla123

    borla123 The Pits

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    There are many versions of Borla. I don't tolerate drone and mine has none.
    This link is my Borla version. I have the side split. The link has a sound clip too.

    https://www.borla.com/products/toyota-tundra-cat-back-exhaust-system-140332
     
  24. Apr 14, 2022 at 5:35 AM
    #24
    Danny3737

    Danny3737 New Member

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    I know k&N filters are popular, but they aren’t worth the money. Your vehicles computer decides how much air will flow. Carburetor engines may see an increase, but it won’t be much unless the filter is really dirty.
     
  25. Apr 14, 2022 at 5:53 AM
    #25
    MPG_LOL

    MPG_LOL New Member

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    I could never do better than 13.7 on my Tundra. :(
     
  26. Apr 14, 2022 at 6:14 AM
    #26
    DmoHtx15

    DmoHtx15 New Member

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    Getting around 16 mostly but hit 20 a few times. My lead foot probably keeps it around 16. Only had it for a couple months but pretty satisfied with the mpg
     
  27. Apr 14, 2022 at 6:32 AM
    #27
    TundraLLama

    TundraLLama New Member

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    TRD pro is an excellent exhaust. If you are just cruising around you hardly hear it unless you step on it. Others say there’s some drone with towing. I personally love the exhaust.
     
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  28. Apr 14, 2022 at 7:04 AM
    #28
    MPG_LOL

    MPG_LOL New Member

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    Yes but how much cheddar does it cost? :spending:
     
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  29. Apr 14, 2022 at 7:16 AM
    #29
    Funnyguy713

    Funnyguy713 I can't get Jiggy with this Sh!t

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    With the lift, bolt-ons, and Mods I get 10.8 mpg and I tolerate it. But may have to reconsider the Supercharger install if gas prices continue to rise. :facepalm:
     
  30. Apr 14, 2022 at 7:18 AM
    #30
    MPG_LOL

    MPG_LOL New Member

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    :burnrubber:Send it!
     
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