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Functional hood scoop?

Discussion in 'Garage / Workshop' started by DWreck, Jun 28, 2010.

  1. DWreck

    DWreck [OP] Famous Fabrication Vendor

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    This just came up in another thread.

    Has anyone made their hood scoop functional? For any reason?

    Pics please
     
  2. HondaGM

    HondaGM Roll Tide

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  3. jandrews

    jandrews Carolina Alliance Southwest Region Ambassador

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  4. Brunes

    Brunes abides. Thor

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    There was a guy who plumbed baffles to the top of the airbox to get airflow from the scoop.

    Seems like a lot of work for a minimal (at most) gain...Plus you run the risk of rain water down there...
     
  5. WTtoolman

    WTtoolman Facial bones colapse as I crack your skull in half

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    They're about as functional as Steven Hawking's wiener.
     
  6. MadeInMaine

    MadeInMaine MadeInMaine

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    I agree....
    Someone has / made a functional hood scoop for 2nd gens., please do post pictures. That would be a great mod.

    Cheers
     
  7. Brunes

    Brunes abides. Thor

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    The bolded part is debatable...The hood scoop is in a low pressure area and would not provide any aerodynamic or air quality benefits.
     
  8. DWreck

    DWreck [OP] Famous Fabrication Vendor

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    Engine cooling?
     
  9. johnw

    johnw Well-Known Member

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  10. kbx10

    kbx10 Well-Known Member

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    Chris 4x4 can tell you more. But making it functional is not really worth it because the pressure there is not sufficient to make the intake worthwhile.
     
  11. DWreck

    DWreck [OP] Famous Fabrication Vendor

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    Got that! However, does just opening it up help in cooling the engine compartment?
     
  12. DWreck

    DWreck [OP] Famous Fabrication Vendor

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  13. Brunes

    Brunes abides. Thor

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    The engine bay is a high pressure, low velocity area. The airflow over the scoop is a low pressure, high velocity streamline...You might create a minor venturi effect out of the scoop, but with the radiator and fan set where they are...I don't know if you'd see an appreciable decrease in temps.
     
  14. krumble

    krumble Well-Known Member

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    Also for it to function you would need a much larger scoop. Look at any car that actually has one. The STI for example would be an ideal size if not larger.
     
  15. whippersnapper02

    whippersnapper02 Well-Known Member

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    If it won't grab air to feed the engine then how will it grab air for cooling? Your cooling system is more than enough to keep the 4.0 cool.
     
  16. colinb17

    colinb17 If at first you don't succeed, don't try skydiving

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    hey everyone, the link above with the pictures is one of my old threads. as of today, i am still running that exact setup with the stock intake (k&n drop in) hooked up to the scoop.

    as for the statement in the OP of that thread about acceleration increase...there isn't any...just the old butt dyno f'ing with me as usual :rolleyes:. after having it for over a year, i can say that there is no noticable change in performance or milage in either direction, so if that's why you're thinking about doing the mod....dont.

    the one huge difference it made though has to do with my air filter...it's amazing how clean it stays now. i used to take out the k&n every oil change and there would be bugs, leaves, dust, you name it, all jammed between the filter fins. I drive on a lot of dirt roads when i'm in florida, which used to wreak havoc on my filter with all of the dust that got kicked up. having the scoop hooked up seems to work wonders for keeping it clean.

    and for those wondering, i did take precautions to make sure that rain would not make it into the engine.

    -Colin
     
  17. Johnny M50

    Johnny M50 Well-Known Member

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    I got my Tacoma with the hood scoop modified so it's functional. I find all it does is let heat out once I stop. Other than that, that scoop is rather annoying.
     
  18. DWreck

    DWreck [OP] Famous Fabrication Vendor

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    i was referring to
     
  19. Bobo_1

    Bobo_1 Well-Known Member

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    Why is this a low pressure area? I have built ram air induction systems with my cars. This is the first truck I plan on modding. The real difference in my car hoods and this TRD sport hood is the scoop is set further back.
     
  20. chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Thor

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    Its a low pressure area due to the shape of the vehicle. Do sone research on areodynamics, and vehicles, and it will become clear.
     
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