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How It Works: 2016 Toyota Tacoma's 'Atkinson' Cycle

Discussion in '3rd Gen. Tacomas (2016-2023)' started by CaptAmerica, Jan 26, 2015.

Page 3 of 7
  1. Jan 29, 2015 at 7:38 PM
    #41
    CaptAmerica

    #41
    CaptAmerica [OP] Asphalt Avenger! TTC#13

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    :notsure: Not sure if kidding, sarcastic, or in need of a vinegar/water refill.
     
    CaptAmerica, Jan 29, 2015
    #41
  2. Jan 29, 2015 at 7:45 PM
    #42
    DVexile

    #42
    DVexile Exiled to the East

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    Sarcasm done right leaves just a little bit of ambiguity. So I think I must have done it right :)
     
    DVexile, Jan 29, 2015
    #42
  3. Jan 29, 2015 at 7:56 PM
    #43
    Yota64

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    Yota64 Professional Threadjacker

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    :rofl: You need more reps!
    Can't wait to see that. All of my engine's power is where I don't spend any time :notsure:

    As for those saying Toyota isn't innovating, needs to make changes, is making too many changes for the sake of changing... You're building your house on sand. We have no numbers yet but what we DO have is the reputation of Toyota and this information about the engine cycle and how it works.

    Toyota knows more than the average joe about making trucks, let them do their job and if you still find something not to like, don't buy it but I am betting it will again be the best midsize pickup.
     
    Yota64, Jan 29, 2015
    #43
  4. Jan 29, 2015 at 8:04 PM
    #44
    CaptAmerica

    #44
    CaptAmerica [OP] Asphalt Avenger! TTC#13

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    Thanks for the rep shout. May your frame never rust! :D
     
    CaptAmerica, Jan 29, 2015
    #44
  5. Jan 29, 2015 at 9:52 PM
    #45
    Yota64

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    Yota64 Professional Threadjacker

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    Can't wait for the engine specs... So I am pretty pumped that they are revamping the idea of the Atkinson cycle. I stand by my prediction that all numbers will be increased.
     
    Yota64, Jan 29, 2015
    #45
  6. Feb 1, 2015 at 2:07 AM
    #46
    TacoJonn

    #46
    TacoJonn Well-Known Member

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    I have seen the Toyota reps state HP and MPG will raise, but they fail to mention torque. That makes me think torque will be same or even drop. Then perhaps rely on weight/transmission to make up the difference. If I am wrong, please let me know where they do say torque will be up because I really want torque to go up. I forgot the Frontier, which is also a dinosaur in truck years, has like 280 ft lbs of torque. More than the Colorado which is 10 years newer.
     
    TacoJonn, Feb 1, 2015
    #46
  7. Feb 1, 2015 at 6:33 AM
    #47
    Forty

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    Forty Member

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    People make it sound like its a whole new engine design but its still a normal suck-squeeze-bang-blow 4 stroke. Add special cam with a longer intake duration and it changes from an Otto to a Atkinson? Am I missing something?
     
    Forty, Feb 1, 2015
    #47
  8. Feb 1, 2015 at 6:36 AM
    #48
    CaptAmerica

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    CaptAmerica [OP] Asphalt Avenger! TTC#13

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    When it sucks, squeezes, bangs, and blows, well...it does that special thing I like.
     
    CaptAmerica, Feb 1, 2015
    #48
  9. Feb 1, 2015 at 8:32 AM
    #49
    chris4x4

    #49
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Its still an Otto Cycle engine, but the valve operation mimics the Atkinson cycle, in that the compression stroke is "Shortened". It does this by simply leaving the intake valve open a little during compression. Still has the same stroke length, and takes 2 revolutions of the crank to get the 4 strokes, where as the Atkinson Cycle engine accomplishes all 4 strokes in 1 crank revolution.



    6
     
    chris4x4, Feb 1, 2015
    #49
  10. Feb 1, 2015 at 8:35 AM
    #50
    Yota64

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    Yota64 Professional Threadjacker

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    I can't remember where but I am fairly certain they're aiming to have the best numbers (or best numbers to weight ratio) of the segment.
     
    Yota64, Feb 1, 2015
    #50
  11. Feb 1, 2015 at 8:37 AM
    #51
    Yota64

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    Yota64 Professional Threadjacker

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    I KNOW WHAT 6 MEANS CHRIS
     
    Yota64, Feb 1, 2015
    #51
  12. Feb 1, 2015 at 8:42 AM
    #52
    chris4x4

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    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    :)





    4
     
    chris4x4, Feb 1, 2015
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  13. Feb 1, 2015 at 8:46 AM
    #53
    Yota64

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    Yota64 Professional Threadjacker

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    I think you should take a break... for 6 days
     
    Yota64, Feb 1, 2015
    #53
  14. Feb 1, 2015 at 8:51 AM
    #54
    chris4x4

    #54
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Cant......stop...........the post! :cool:




    2
     
    chris4x4, Feb 1, 2015
    #54
  15. Feb 1, 2015 at 11:53 AM
    #55
    Konvict KROG

    #55
    Konvict KROG Live Free or Die Trying

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    Does wife 1.0 claim to be great at it?

    I have wife 2.0 and the operating system gives me pop ups about how good it is. I click never tell me again, but it reminds me later.

    Expensive upgrade but 2.0 is better than 1.0.. less blue screen of death.
     
    Konvict KROG, Feb 1, 2015
    #55
  16. Feb 1, 2015 at 11:58 AM
    #56
    Konvict KROG

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    Konvict KROG Live Free or Die Trying

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    I read that awhile back. It is interesting. Thanks for posting it.

    I also read that its not exclusively Atkinson cycle like the prius. It is supposed to work like the lexus brethren with similar Toyota tech and under light load or low demand it uses Atkinson cycle for efficiency, but at a calculated point based of variables it switches to Otto cycle to improve performance.
     
    Konvict KROG, Feb 1, 2015
    #56
  17. Feb 1, 2015 at 12:06 PM
    #57
    Yota64

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    Yota64 Professional Threadjacker

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    Let's make a contest and predict the numbers.
     
    Yota64, Feb 1, 2015
    #57
  18. Feb 1, 2015 at 12:09 PM
    #58
    Konvict KROG

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    Konvict KROG Live Free or Die Trying

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    275HP 275TQ
    19 city 26 hwy
    v6 auto 4x4

    17 city 23 hwy
    v6 manual 4x4
     
    Konvict KROG, Feb 1, 2015
    #58
  19. Feb 1, 2015 at 12:09 PM
    #59
    Lord Helmet

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    Lord Helmet Prepare To Attack

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    305hp 285 ft-lbs :D
     
    Lord Helmet, Feb 1, 2015
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  20. Feb 1, 2015 at 12:11 PM
    #60
    Konvict KROG

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    Konvict KROG Live Free or Die Trying

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    275 HP @5500 rpm
    275 TQ @4500 rpm

    180 TQ @2500 rpm
     
    Konvict KROG, Feb 1, 2015
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