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Impressive HP from 4.0L

Discussion in '2nd Gen. Tacomas (2005-2015)' started by hardtaco, Oct 13, 2012.

  1. Oct 14, 2012 at 7:13 PM
    #61
    landphil

    landphil Wishin' I was Fishin'

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    In your '05, right? Which doen't have VSC, Trac, Atrac, blah, blah, blah. Not all 2nd gens are equal.
     
  2. Oct 14, 2012 at 7:14 PM
    #62
    whippersnapper02

    whippersnapper02 Well-Known Member

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    Yeah about that. There is an off button.
     
  3. Oct 14, 2012 at 7:19 PM
    #63
    zackn291

    zackn291 Well-Known Member

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    Yea I don't got any of that junk. Just auto tranny.
     
  4. Oct 14, 2012 at 7:36 PM
    #64
    12TRDTacoma

    12TRDTacoma Mid Traveling

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    Roberto
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    "Horsepower sells cars

    Torque wins races"

    Which is exactly why I like the overage of torque instead of the horsepower on this truck.

    :D
     
  5. Oct 15, 2012 at 5:01 AM
    #65
    maineah

    maineah Well-Known Member

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    How much wood can you put in the trunk? No big deal 3 liter F1 engines make over 700HP.
     
  6. Oct 15, 2012 at 6:10 AM
    #66
    hetkind

    hetkind Well-Known Member

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    Howard
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    Hey, guys...remember, horsepower can be simply calculated as RPM x torque.

    I does no good to have most of your horsepower above 5k rpm, if you operate at 2,500 rpm. The reason the diesels are lower rated is that the have a lower top RPM. They have better torque at the range we normally run it.

    The 4.0 in my '11 access cab has more useful power than the 318 in the 68 dodge with headers, holley, glasspacks and stage 1 intake.

    Howard
     
  7. Oct 15, 2012 at 8:14 AM
    #67
    username

    username Fluffer

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    HP=TORQUE X RPM / 5252
    Did you know that with any engine torque and horsepower are exactly equal at 5252 RPM?
    Here's an interesting bit of trivia; below 5252 rpm any engine's torque number will always be higher than its horsepower number, and above 5252 rpm any engine's horsepower number will always be higher than its torque number unless it is tuned for a peak HP# above 5252 rpm's, then the inverse is true.
     
  8. Oct 15, 2012 at 8:15 AM
    #68
    12TRDTacoma

    12TRDTacoma Mid Traveling

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    Lol, wow ^^ that's crazy. A V6 with more actual output power then an old 5.0+ (I'm too lazy to calculate it's exact cid) V8.
     
  9. Oct 15, 2012 at 9:15 AM
    #69
    Hans Moleman

    Hans Moleman Well-Known Member

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    If you want to compare it to a 5.0 Mustang, try comparing them to the new 5.0L making 420hp on 87 octane gas.
     
  10. Oct 15, 2012 at 9:38 AM
    #70
    KenLyns

    KenLyns Lord of War

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    A surprising amount. :) My Subie was hauling sliders and 8-ft lumber while the Taco was on jacks getting a lift installed.

    Keep in mind WRX STI's power comes from turbocharging, not revving, so the torque curve is quite good, above 250 lb-ft from 3400 rpm all the way to redline:

    [​IMG]
     
  11. Oct 15, 2012 at 9:49 AM
    #71
    KenLyns

    KenLyns Lord of War

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    Comparison with contemporary V6 used in competing trucks/SUVs:
    F-150 base 3.7L V6 non-turbo: 302 hp @ 6500 rpm, 278 lb-ft @ 4000 rpm
    Jeep Grand Cherokee base 3.6L V6: 290 hp, 260 lb-ft
    Nissan Frontier V6: 266 hp @ 5600 rpm, 284 lb-ft @ 4000 rpm

    Compared to these, the Taco's V6 is deficient in power and torque.
     
  12. Oct 15, 2012 at 9:55 AM
    #72
    whippersnapper02

    whippersnapper02 Well-Known Member

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    F150 and Cherokee are not in the same class.
     
  13. Oct 15, 2012 at 10:06 AM
    #73
    wrmathis

    wrmathis Dark Lord of the Sith

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    the tacoma is faster than the frontier tho ;)
     
  14. Oct 15, 2012 at 11:24 PM
    #74
    12TRDTacoma

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    Now why would I want to do that? Don't forget, those cars also weigh substantially less then what our 4.0 has to haul as well.

    I had a 05 GTO with over 450 WHEEL horsepower (not flywheel horsepower like the mustang's 420HP) that I could run 87 on all day as well, with a compression ratio of 11.0, which is hardly a low amount of horsepower and a low compression ratio by any means, that thing rocked my world and mostly everyones around it, it was so torquey it was ridiculous... I'm hardly impressed by any high output engine cranking out big powaz running on 87 gas nowadays. The magic is all in the tuning.

    The only thing you are getting out of 91 octane vs. 87 is a slower burning more stable petro really, nothing more out of it. The closer you bring the piston quench to the valves the less chance of detonation and knock, which allows you the ability to run a lower octane like the standard 87. So in theory you could be running a CR of over 12.5 and up ^^ without ever having to use "premium" gas.

    Like I said, at the end of the day I'm more impressed with torque numbers because that's what gets you moving. I could give less of a damn about HP, because that's the figure which just sells cars.


    Don't forget, those other guys are probably not using a more true to life way of testing their horsepower where yota is.

    Stop getting so hung up on numbers and base your facts on the real life performance vs. the competitors if it bothers you that much.
     
  15. Oct 16, 2012 at 12:48 PM
    #75
    dsmithla

    dsmithla Member

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    Pre Pentastar (2012) yeah, but the Pentastar JKs are getting much better reviews. Especially with the 3.73 rear end. I still wouldn't expect them to beat a Tacoma off the line, it's just that merging into traffic isn't quite as scary as it used to be in a jeep (or as it is in my 99 TJ, for that matter).
     
  16. Oct 16, 2012 at 12:51 PM
    #76
    dsmithla

    dsmithla Member

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    and it's a pretty flat torque curve for a v6 too. The 3.8 you had to get the RPMs up to get decent torque. Not really what you want in a Jeep.
     
  17. Oct 16, 2012 at 4:15 PM
    #77
    Scott78

    Scott78 Well-Known Member

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    :rofl::rofl:
     
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