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2012 4.0l engine from 4 Runner vs Tacoma

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Deetz, Dec 27, 2011.

  1. Dec 27, 2011 at 7:13 AM
    #1
    Deetz

    Deetz [OP] Member

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    I was doing some poking around and see that the 4 Runner 4.0L engine is rated to make more power than the Tacoma version. Anyone know the differences in the engine?
     
  2. Dec 27, 2011 at 9:26 AM
    #2
    walleyeguy

    walleyeguy Well-Known Member

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    The 4Runner 4.0L engine, as well as the same engine in the FJ Cruiser and Tundra has dual VVT-I. The Tacoma 4.0L has only single VVT-I which is why you'll notice a difference in hp, torque and fuel economy.

    Why Toyota didn't update the Tacoma 4.0L V6 to dual VVT-I is a mystery to me. Very frustrating as well!
     
  3. Dec 27, 2011 at 9:29 AM
    #3
    pataco

    pataco Well-Known Member

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    how much is the difference?
     
  4. Dec 27, 2011 at 9:31 AM
    #4
    alexander323bc

    alexander323bc Well-Known Member

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    So can we drop a 4runner engine into Tacoma, Cause I have 4cylinder and if this possible I might do that my buddy just totaled his 4runner rolled it over but the engine still runs
     
  5. Dec 27, 2011 at 9:34 AM
    #5
    Soundwave

    Soundwave Well-Known Member

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  6. Dec 27, 2011 at 11:00 AM
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    walleyeguy

    walleyeguy Well-Known Member

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    For both vehicles 4x4, 4.0L V6 and automatic transmissions:

    5th Gen. 4Runner: 17 city/ 22 hwy mpg
    Tacoma: 16 city/ 21 hwy mpg

    5th Gen. 4Runner: 270 hp/ 278 lb.-ft torque
    Tacoma: 236 hp/ 266 lb.-ft torque

    So 1mpg more for both city and hwy, 34 hp and 12 lb.-ft more for the updated 4.0 over the Tacoma 4.0.
     
  7. Dec 27, 2011 at 12:03 PM
    #7
    pataco

    pataco Well-Known Member

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    wow,thanks.34 hp is quit a bit.
     
  8. Dec 27, 2011 at 1:52 PM
    #8
    RedTaco2134

    RedTaco2134 Well-Known Member

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    Wowzers! I never knew this, this makes me:mad::mad::mad:
     
  9. Dec 27, 2011 at 1:58 PM
    #9
    dantastic

    dantastic Well-Known Member

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    The hp/tq #'s for the 4Runner are on 91 octane IIRC. My guess is the Tacoma is also tuned for more low-end and mid-range power.
     
  10. Dec 27, 2011 at 2:06 PM
    #10
    Deetz

    Deetz [OP] Member

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    hmm, i would have thought a cylinder head swap and ecu would be all that is needed for the upgrade


    Thanks for all of the responses everyone, they the answers i was looking for
     
  11. Dec 27, 2011 at 2:08 PM
    #11
    BrokenTusk

    BrokenTusk I support a velociraptor free workplace.

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    The tacoma on 91octane rates 246hp, not sure on torque though. #'s from X-ru
     
  12. Dec 27, 2011 at 2:12 PM
    #12
    jpneely

    jpneely Well-Known Member

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    very, very stock.
    :popcorn: Please post both pics and videos and other shenanigans as well!
     
  13. Dec 27, 2011 at 3:25 PM
    #13
    DriverSound

    DriverSound Señor Member

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    Too few to list. 10 4runner SR5 4x4 09 Pre-Runner TRD-OR AC 14 Prius Two 08 xB
    Dual VVT-i revs a little higher to get the higher tq and hp numbers.
    270hp @ 5600 RPM, 278tw @ 4400 RPM

    Single VVT-i
    236hp @ 5200 RMP, 266tq @ 4000 RPM

    I haven't seen dynos but my guess is that the single vvt-i have a flatter torque curve at lower rpms that's why Toyota has not updated it.
     
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