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what is over drive even for!

Discussion in '1st Gen. Tacomas' started by 2002macdonald, Feb 19, 2012.

  1. Feb 19, 2012 at 1:39 PM
    #1
    2002macdonald

    2002macdonald [OP] Well-Known Member

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    In my 2002 taco i have the over drive option and i turn it on and off some times but don't notice much difference. i looked it up and the only thing i got was it gives you an extra gear how is that possible...
     
  2. Feb 19, 2012 at 1:40 PM
    #2
    04LTtacoma

    04LTtacoma Well-Known Member

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    :confused:
     
  3. Feb 19, 2012 at 1:40 PM
    #3
    Krazie Sj

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    Better hwy fuel economy. Go 55mph then turn it off and see what happens.
     
  4. Feb 19, 2012 at 1:42 PM
    #4
    2002macdonald

    2002macdonald [OP] Well-Known Member

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    yeah the rpms go from like 4 to 2 1/2 but is that all it does
     
  5. Feb 19, 2012 at 1:43 PM
    #5
    Supra TT

    Supra TT Solid Axle FTMFW!!

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    SAS.. Need I say more.
    Pretty much. It just helps with towing/MPG
     
  6. Feb 19, 2012 at 1:44 PM
    #6
    AzogSS

    AzogSS Well-Known Member

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    Um... That's what it's supposed to do.
     
  7. Feb 19, 2012 at 1:44 PM
    #7
    afd23a

    afd23a Well-Known Member

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    http://en.wikipedia.org/wiki/Overdrive_(mechanics)
     
  8. Feb 19, 2012 at 1:47 PM
    #8
    Krazie Sj

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    You expecting a fucking rocket to pop out of the bed, Vin Diesel to jump in your open window into the passenger seat with a bottle of NOS hook it up while Mario Andriette straps a supercharger under the hood?
     
  9. Feb 19, 2012 at 1:48 PM
    #9
    AzogSS

    AzogSS Well-Known Member

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    :rofl:
     
  10. Feb 19, 2012 at 2:01 PM
    #10
    KenLyns

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    ^Don't forget the laptop you have to tinker with halfway down the quarter mile. :rolleyes:

    "Overdrive" is the 4th gear in the 1st gen. Taco. "Overdrive off" restricts the transmission to use gears 1-3.
     
  11. Feb 19, 2012 at 2:43 PM
    #11
    2002macdonald

    2002macdonald [OP] Well-Known Member

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    alright karzie sj hey are u an emt?
     
  12. Feb 19, 2012 at 3:05 PM
    #12
    KenLyns

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    What you are describing is the power take-off (PTO) function, which is only found on commercial trucks.
     
  13. Feb 19, 2012 at 5:50 PM
    #13
    Snowman

    Snowman I have a problem for your solutionÂ…

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    My old man has tractors with PTO. I never knew thats what it did!
     
  14. Feb 19, 2012 at 6:43 PM
    #14
    STLharry

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    Pretty sure the Trucks have 4spd w/ OD transmissions...meaning that there's 4 gears...then overdrive. So OD is 5th gear actually.

    But I wouldn't know too much about it because I have a real transmission :D (INB4 hate).
     
  15. Feb 19, 2012 at 6:45 PM
    #15
    StAndrew

    StAndrew Wait for it...

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    All other gears reduce your engine output (ie, your engine is spinning faster than your tranny). Great for power/acceleration but poor gas mileage. Your OD gear is a big freaken gear that spins faster than your engine. Great for gas mileage but poor for towing, hauling, and accelerating. Its for cruising down the highway.

    The reason you have an option to turn it off is because sometimes while hauling, towing, or hill driving, your tranny down and up shifts frequently, constantly switching between power and gas mileage. By turning it off, you eliminate this.
     
  16. Feb 19, 2012 at 6:48 PM
    #16
    StAndrew

    StAndrew Wait for it...

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    No, I believe its a 4sp (4th being OD). If you pay close attention to the shifts, you see 5 RPM drops, but I think the 5th is your lockup clutch. I could be wrong though.
     
  17. Feb 19, 2012 at 6:49 PM
    #17
    Krazie Sj

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    I'm working right now. Sup?
     
  18. Feb 19, 2012 at 6:51 PM
    #18
    NumNutz

    NumNutz One of the original 7928

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    2002macdonald - "It burns when I pee. What should I do?"
     
  19. Feb 19, 2012 at 6:52 PM
    #19
    Krazie Sj

    Krazie Sj Resident Jackass

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    Stop peeing would be my advice...
     
  20. Feb 19, 2012 at 7:03 PM
    #20
    The Driver

    The Driver Trail Runner/Barefoot Beach Runner/Snow Skier

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    Some of us A) Already have a 5speed as daily driver and B) require to tow, which auto trannies GENERALLY allow for a higher towing rate/capacity.

    Besides that in my particular case, I'm accident prone, and driving a 5speed with a cast is a biatch!
     
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