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4.7 horsepower 2005 vs 2006

Discussion in '1st Gen Tundras (2000-2006)' started by albanger, Apr 9, 2020.

  1. Apr 9, 2020 at 12:33 PM
    #1
    albanger

    albanger [OP] New Member

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    Why was there a horsepower drop in the 2006 4.7L (271 hp) compared to 2005 4.7 (282 hp) as shown in Edmunds engine specs?
     
  2. Apr 9, 2020 at 1:05 PM
    #2
    speedtre

    speedtre New Member

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    No actual HP drop, just a difference in how they calculated it. They are the same exact drivetrain.
     
  3. Apr 9, 2020 at 2:50 PM
    #3
    seth419

    seth419 New Member

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    Says the guys with the 06!!!!!!!! I can definitely feel those 11 ponies in my 05!!!!!!:benchpress:
     
  4. Apr 9, 2020 at 4:00 PM
    #4
    albanger

    albanger [OP] New Member

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    What extras does the 06 Darrell Waltrip Edition have?

     
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  5. Apr 9, 2020 at 4:08 PM
    #5
    Darkness

    Darkness Allergic to white

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    Stickers, grille and wheels I think.
     
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  6. Apr 9, 2020 at 4:12 PM
    #6
    speedtre

    speedtre New Member

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    Fixed it for ya..:thumbsup:
     
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  7. Apr 9, 2020 at 4:32 PM
    #7
    Darkness

    Darkness Allergic to white

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    The fear I have is that if Toyota wasn't calibrating horsepower correctly in 05, what does that mean for my 03? Do I have 234HP?
    :eek:
     
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  8. Apr 9, 2020 at 6:14 PM
    #8
    Johnsonman

    Johnsonman New Member

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    Not sure exactly but there was no VVT-i in the '03 4.7 so yeah lower output compared to later years....
     
  9. Apr 9, 2020 at 6:22 PM
    #9
    seth419

    seth419 New Member

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    Dude! I did have an 06 and it was way underpowered!!:stirthepot:
     
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  10. Apr 9, 2020 at 6:51 PM
    #10
    BestGen

    BestGen Free Kyle!

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    Don't forget ALL the extra torque! :devil:
     
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  11. Apr 9, 2020 at 7:18 PM
    #11
    BestGen

    BestGen Free Kyle!

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    Those BBS wheels are worth quite a bit now. 18x9 iirc.
     
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  12. Apr 9, 2020 at 7:33 PM
    #12
    CodyP

    CodyP Such a n00b

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    Must have just been yours then. Mine’s basically a rocket with wheels
     
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  13. Apr 10, 2020 at 4:12 AM
    #13
    tvpierce

    tvpierce Formerly New Member

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    From the article below which is a review of the 4.7 in the Lexux GS 470:

    "Power ratings are down slightly for '06, to 263 horsepower and 323 pound-feet of torque, but that's only because the Society of Automotive Engineers (SAE) has instituted new test procedures that tend to deliver more conservative numbers. The engine itself, and its performance, have not changed. The 2006 GX 470 is every bit as powerful as the 2005 model."

    https://www.newcartestdrive.com/reviews/2006-lexus-gx-470/

    I suspect you'd see a simlar drop with other manufacturers using the same power plant from '05 to '06.
     
  14. Apr 10, 2020 at 12:46 PM
    #14
    seth419

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    Yeah, but can you imagine what it feels like with 11 extra ponies galloping under the hood!?!?!!?!?!?:burnrubber:
     
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  15. Apr 10, 2020 at 12:52 PM
    #15
    speedtre

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  16. Apr 10, 2020 at 1:05 PM
    #16
    BestGen

    BestGen Free Kyle!

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    :D
     
  17. Dec 17, 2020 at 6:24 PM
    #17
    Suprlogr1

    Suprlogr1 New Member

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  18. Dec 17, 2020 at 6:31 PM
    #18
    Suprlogr1

    Suprlogr1 New Member

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    What components made the 2005 have more hp and torque, I have an ‘04 and I wish I had that much more hp, I have put a K&n 77 series cold air intake and a vertex chip, and a magnaflow dual exhaust!! While it seems to give more power and torque, my mpg is suffering. Probably because more air in and more air out means more fuel!! Right??
     
  19. Dec 17, 2020 at 6:54 PM
    #19
    school teacher

    school teacher New Member

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    My 2002 4.7 V8 is rated at 245 HP and 315 Foot Pounds of Torque. The truck has plenty of very smooth power. According to the tach on the dashboard, it spends most of its life at 1600 - 1800 RPM and gets a very solid 15 MPG. The engine has 273,000 miles on the clock.

    My previous ride was a 1983 Ford E150 Club Wagon with the 300 CID inline 6 cylinder and a 4 speed manual transmission with overdrive and a 3.0 rear axle. This engine was 121 HP and 240 ft-lbs of torque. I developed most of its torque at low RPM. I once drove it from Louisville, KY to Disney World in Florida and back which was about 2,400 miles. Using cruise control and keeping the speed around 55 mph, I averaged over 20 MPG with the air conditioner on. The engine had 331,000 miles on it when I gave the van to Goodwill.

    Compared to the 300 CID I-6 van, my 4.7 V8 Tundra is a rocket ship.
     
  20. Dec 17, 2020 at 7:04 PM
    #20
    Johnsonman

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    LED headlamps/fogs; interior footlamps.
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  21. Dec 18, 2020 at 4:14 AM
    #21
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    The FSM I use is from the 2003 year, but backdates into the 2002. It states a few differences:

    2002 245hp

    2003 240hp (due to the TWC which is a three way catalytic convertor)

    2005-06 Tundra Double Cab Ridgeline Models have 40 extra horses because they weigh 500 pounds extra and have those air intake thingies that like to clog up and break and make limp modes.:boink:
     
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  22. Dec 18, 2020 at 4:27 AM
    #22
    Johnsonman

    Johnsonman New Member

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    Extra weight is not the reason, That is wrong.

    All 05' and up tundras and 4runners have VVTi, that is where the 40 horses and 40 extra pounds of torque, All of them, not because the vehicle weights 500 pounds more, the 4runner sure doesn't weight 500 more, its 500 less if anything, and yeah they are Fast!
     
  23. Dec 18, 2020 at 4:32 AM
    #23
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    Please prove me wrong by doing your research and posting the weights side by side for the AC and DC. Please post pictures of the Specs Sheets. I do realize (on purpose) I weighed the RidgeLine by an extra 100lbs.

    Yes you are correct in the VVti is the reason for extra horses. I should have said ‘but’ instead of ‘because’. Thank you for the correction.
     
  24. Dec 18, 2020 at 4:37 AM
    #24
    Casper421

    Casper421 Toyota RidgeTrac driver!

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    How much does your AC weigh?
     
  25. Dec 18, 2020 at 6:08 AM
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    KNABORES

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    Mine was 5082 at the dump yesterday.
     
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  26. Dec 18, 2020 at 6:09 AM
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    Full tank of gas, bigger than factory tires and wheels. Bull bar with lights. Toolbox with some goodies in it.
     
  27. Dec 18, 2020 at 6:09 AM
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    and my 185# self
     
  28. Dec 18, 2020 at 6:15 AM
    #28
    Casper421

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  29. Dec 18, 2020 at 6:32 AM
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    Cursory search of the hive mind reveals the 2006 VVTi AC SR5 V8 weighing in at 4510 (likely dry weight). The 2000 non-VVTi AC SR5 V8 weighing in at 4518. Virtually identical. The 06 actually lost 8lbs.
     
  30. Dec 18, 2020 at 6:38 AM
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    The 2006 VVTi SR5 V8 DC weighs in at 4965. The weight obviously due to the larger dimensions and the materials associated with it.
    So 455 pounds more for a DC. What were we trying to demonstrate with these numbers again?
     

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