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Highway Speed for 4 Cyl 5-Speed Manual 4WD?

Discussion in '4 Cylinder' started by jcman01, Jun 9, 2013.

  1. Sep 16, 2013 at 9:09 PM
    #41
    worthywads

    worthywads Well-Known Member

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    I4 Prerunner and 4x4 = 4.10

    I4 5-lug stick = 3.31

    I4 5-lug auto = 3.58
     
  2. Sep 16, 2013 at 11:16 PM
    #42
    tooter

    tooter play every day

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    Built for maximum low end torque, tooter II.VII intake manifold spacer, LCE long tube header, Injen long tube intake, 2,900 rpm torque peak.
    Thanks for the useful info, wads. :)
     
  3. Sep 17, 2013 at 4:10 PM
    #43
    2007 tacoma

    2007 tacoma Well-Known Member

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    There's a difference among each of the 4x2's. Prerunner is the same as the 4x4.

    http://toyotaoff-road.com/resources/2009TacomaProductSpecs.pdf

    5 lug 4AT = .705 * 3.583 = 2.53
    5 lug 5MT = .805 * 3.307 = 2.66
    Prerunner = .805 * 4.100 = 3.3
    4X4 = Same as Prerunner
     
  4. Sep 17, 2013 at 5:11 PM
    #44
    worthywads

    worthywads Well-Known Member

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    FTFY
     
  5. Sep 17, 2013 at 5:51 PM
    #45
    Petrol

    Petrol Well-Known Member

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    That 4 cylinder is way tougher that most people know. Keep clean oil in it, drive it like you have just a little bit of sense and it will out last the truck.
     
  6. Sep 17, 2013 at 7:47 PM
    #46
    2007 tacoma

    2007 tacoma Well-Known Member

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    Thanks. I didn't realize that in 2011 they converted the I4 Prerunner from being 5MT only to 4AT only.
    http://pressroom.toyota.com/article_display.cfm?article_id=2678

    Edit: This PDF also shows an obvious typo from someone in the prior one. Displacement is 2694 cc, not 2964 cc. Torque is also 180, not 280 for the I4. At least the gear ratios seem correct. That's all I looked at previously.

    The actual official 2009 specifications are available here:
    http://pressroom.toyota.com/article_display.cfm?article_id=2583
     
    Last edited: Sep 17, 2013
  7. Sep 20, 2013 at 7:55 PM
    #47
    mrbadwrench

    mrbadwrench Well-Known Member

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    I have found that 70-75 mph is the MPG/power "sweet spot" for the 2.7 liter 5 speed 4x4. Best combination of power and economy. You're both right, it really loves to cruise at just under 3k rpm.

    My 4x4 usually gets me a steady 24 mpg at that speed. To get better steady mpg, I have to drop down to about 60 mph or less, at which point I can see upwards of 26 mpg but I have to downshift more on hills because I'm out of the powerband in 5th gear.
     
  8. Sep 20, 2013 at 10:50 PM
    #48
    Kirk1589

    Kirk1589 Well-Known Member

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    Sweet spot for 1st gen 2.7 5 speed is 45-55
     
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