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Thread: Intakes, what's better?

  1. #1
    Join Date
    Dec 2003
    Location
    Chalk River, On. Canada
    Posts
    29

    Intakes, what's better?

    Open filter type in the engine bay, or a closed cold air intake. Which one gets the most power increace?
    2003 Cadillac CTS
    2000 Buell Lightning X1
    1990 Volvo 740 GLE Wag-on

  2. #2
    Join Date
    Sep 2003
    Location
    Hamilton Ontario, Canada
    Posts
    1,860
    The CAI (cold air intake) is marginally better, as it is delivering a cold charge of air from outside the car, whereas an open filter
    (often referred to as a Short Ram) delivers an air charge of engine bay temperature, both are better than factory air boxes, but the difference is not night and day.

    Typically, the CAI gives an improvement of 6-9 % and the Short Ram improve 3-7%.

    These improvements vary car to car and are usually not noticeable at lower RPM but at higher RPM where breathing is more critical.

  3. #3
    Join Date
    Apr 2003
    Location
    Adelaide
    Posts
    6,153
    Build an enclosed box with a large pipe that leads to an unrestricted area at the front of the car at the highest point you can. Then connect a ram pod style air filted to the intake and place it inside the box. Best of both worlds.
    "A string is approximately nine long."
    Egg Nogg 02-04-2005, 05:07 AM

  4. #4
    Join Date
    Apr 2003
    Location
    Canada
    Posts
    5,772
    Quote Originally Posted by crisis
    Build an enclosed box with a large pipe that leads to an unrestricted area at the front of the car at the highest point you can. Then connect a ram pod style air filted to the intake and place it inside the box. Best of both worlds.
    Or just do the first step, and get the best of the best world

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