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Do older 2nd gens have more power than newer 2nd gens?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by AZ Outdoor Adventures, Jun 5, 2020.

  1. Jun 5, 2020 at 10:39 PM
    #1
    AZ Outdoor Adventures

    AZ Outdoor Adventures [OP] Member

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    I have a 2015 Taco TRD OR model and had a chance to drive my brother's 2007 TRD OR. Both are V6 models with 4x4. I drove it to see how his truck felt with a 2.5" lift (I'm considering similar setup). Anyway, when driving his truck, I noticed that it felt quicker off the line. It accelerated with less effort than my truck does. His truck has armor on it (skids, front bumper, roof rack, sliders) and my truck is pretty much completely stock. You'd think with all that extra weight, his truck would be slower than mine. The only mod that he's done to his engine is K&N filter. Other than that I thought that we have the same exact engine, transmission, horse power, etc.

    Is there a reason why his truck felt quicker off the line? They're both 2nd gens, both V6 4x4 and it doesn't make sense to me why his truck feels like it noticeably has more power.

    Could it be the lift that makes you feel like you're going faster? Or were there any changes to drive train, transmission, horsepower, or torque between 2007 and 2015 model?
     
  2. Jun 6, 2020 at 12:32 AM
    #2
    Big_Red_Taco

    Big_Red_Taco Well-Known Member

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    Did he regear?
     
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  3. Jun 6, 2020 at 12:52 AM
    #3
    81shark

    81shark Well-Known Member

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    Did you time them?
     
  4. Jun 6, 2020 at 2:03 AM
    #4
    Mr.Hustler

    Mr.Hustler Well-Known Member

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    Your engines are exactly the same, so power and torque will be the same, if not, very close in comparison... you probably felt the truck-butt sag a little more from sudden acceleration because his truck has additional 2.5" rideheight softer bound/rebound suspension...e.g. the lean back into seat feeling...simulating stronger acceleration Gs...
     
  5. Jun 6, 2020 at 5:10 AM
    #5
    Joker56ace

    Joker56ace Well-Known Member

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    Race him , settle this for once
     
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  6. Jun 6, 2020 at 6:02 AM
    #6
    rdiddy_25

    rdiddy_25 Well-Known Member

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  7. Jun 6, 2020 at 7:00 AM
    #7
    Steadfast

    Steadfast Well-Known Member

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    The old ones are throttle cable and the newer ones are fly by wire so maybe computer input is a little conservative off the line.
     
  8. Jun 6, 2020 at 8:11 AM
    #8
    rphillips

    rphillips Well-Known Member

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    Are both the same trans.? A manual trans. is geared quite a bit lower than an auto. trans. Makes it feel more peppy, powerful. From what I'm finding, (for my 2013 2.7 4X4 reg. cab) all 2013 reg. cab 4X4's come with 4.10, no matter with/auto or manual. But to be equal, my auto will need appx. a 4.88 gear to be geared equal to the manual trans. with the orig. 4.10. I've not a clue why Toyota would do this, but pretty sure it is why my 2.7 auto feels so weak, so weak it's really embarrassing.
     
  9. Jun 6, 2020 at 8:16 AM
    #9
    JustDSM

    JustDSM Oderint Dum Metuant

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    The earlier trucks have a more aggressive throttle mapping. Otherwise the tuning is identical for the most part (or any part that would matter) from 2005 to 2015. All transmission tuning is identical as well across the years.

    You should check out the HPTuners thread. (https://www.tacomaworld.com/threads/hp-tuners-for-2005-2015.600793/) I've tuned >100 trucks on this forum and can set you up where your 2015 makes the 2007 feel slow/sluggish in comparison. As low as $250.
     
  10. Jun 6, 2020 at 8:16 AM
    #10
    Plain Jane Taco

    Plain Jane Taco Well-Known Member

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    All 1GRs have an electronic throttle. The only real change made to the engine during it's 10+ year run was a revised head gasket in '06 and the addition of the secondary air injection system in '12. There were no power and torque changes. They were all 236 hp and 265 lbs ft of torque.

    There is some debate that the 1GR can benefit from a higher octane fuel. It was tuned for 87. But some say the ecu will advance the timing when higher octane is present. This might result in a handful of horsepower.
     
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  11. Jun 6, 2020 at 8:40 AM
    #11
    EdgemanVA

    EdgemanVA Well-Known Member

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    Not sure, but their owners are better looking...lol
     
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  12. Jun 6, 2020 at 8:50 AM
    #12
    GrundleJuice

    GrundleJuice Well-Known Member

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    From reading through the HP Tuner thread I was under the impression that the throttle map for '06-'11 was different than '12-'15. electronic throttle can be programmed to make anything feel eagar to go. My 07 Subaru felt like it wanted to jump off the road with light throttle and then the last half of pedal movement did nothing, after some adjustment of the throttle maps it was much more linear but felt slower until you put your foot into it.
     
  13. Jun 6, 2020 at 9:29 AM
    #13
    Wattapunk

    Wattapunk Stay lifted my friends !

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    My '05 is quick off the line considering the added weight of 285s, bumpers, prinsu and bed rack. It's because of the known HP added from the hood skeewp :anonymous:
     
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  14. Jun 6, 2020 at 9:53 AM
    #14
    Plain Jane Taco

    Plain Jane Taco Well-Known Member

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    What your talking about is "throttle tip-in". I don't know whether there was a change in that over the years. But more or less aggressive TTI doesn't effect power ratings.

    Aggressive TTI can actually be annoying....has it can get in the way of smooth take offs. My daughter's old Yaris has a super aggressive TTI. It leaps off the line with zero grace.....before the realities of a 100 hp car set in. :D

    Teaching her to drive was a neck snapping experience. o_O
     
  15. Jun 6, 2020 at 10:05 AM
    #15
    nasaengr

    nasaengr Well-Known Member

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    I have noticed the same thing. Went from a 05 OR to a 15 OR and the 15 seems more sluggish, little less power. Noticed it immediately when going up hills in my area. The 15 will downshift where the 05 did not. About the same MPG though.
     
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  16. Jun 6, 2020 at 10:20 AM
    #16
    3JOH22A

    3JOH22A トヨタ純正男娼

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    Did the 2007 have a K&N drop-in filter or full intake? The latter deletes the stock resonator and will sound louder.

    There were changes to the shift mapping between 2007 and 2015, but all that equalized around 2011 when Toyota flashed the ECM to add the brake override feature. If the 2007 did the recall, that is.
     
  17. Jun 6, 2020 at 12:12 PM
    #17
    Fitz235

    Fitz235 Well-Known Member

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    Actually, to be a stickler, mine (an '05) was rated at 245 hp, then the EPA changed something about the way they calculate hp, which caused the rating on later models to be downgraded to 236 hp. As you said, the actual power output wouldn't have changed though.
     
  18. Jun 6, 2020 at 12:20 PM
    #18
    Plain Jane Taco

    Plain Jane Taco Well-Known Member

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    The engine didn't actually lose power. The way it was measured changed. The newer mandate requires manufacturers to post HP ratings with all accessory drives in place, intake, and exhaust in place. It also requires that an engine be tested using 87 octane unless it requires premium, 91+. In addition, the certified rating has to be an average of several pulls on several engines.....not some fluke or anomaly.

    All of that added up to a 9 HP reduction on paper only. No change in real HP.
     
    Last edited: Jun 6, 2020
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  19. Jun 6, 2020 at 12:33 PM
    #19
    3JOH22A

    3JOH22A トヨタ純正男娼

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    Debate originated with the 2007-2009 FJ Cruiser, rated at 239 hp and 278 lb-ft on 91 octane fuel with the same engine and transmission.
     
  20. Jun 6, 2020 at 12:45 PM
    #20
    Plain Jane Taco

    Plain Jane Taco Well-Known Member

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    I personally believe the 1GR can gain a couple of HP with 91+ fuel. The real debate is that, can any power or fuel economy gain be enough to justify the the additional cost of premium?

    Also....some premium fuels like Shell V-Power not only boast a 93 rating, but have additional detergents that go well beyond the minimum mandate. So you could argue that there could potentially be an improvement in your fuel system's cleanliness on top of any performance gains.
     
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