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Thread: Ram tube air flow

  1. #1
    Moderator Frak's Avatar
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    Default Ram tube air flow

    Messing around today at work and decided to flow a 50mm orifice plate against an Imec AE111 ram tube.
    The orifice plate flowed 335cfm @ 28inches of water
    The Imec ramtube flowed 472cfm @ 28inches of water.

    If I find a standard AE111 ramtube I'll give that a go on the flow bench as well.
    Hachiroku since 1994

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    When i grow up I wanna be just like Uncle Frak Frak.

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    Senior Member Slimer86's Avatar
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    I have std ae101 at home frak. Shoot me a pm, I am north east suburbs
    Big up's for the North East Massiv'
    NSATB - New Skids Around The Block

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    Senior Member Slimer86's Avatar
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    And can access a t3 too if you like
    Big up's for the North East Massiv'
    NSATB - New Skids Around The Block

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    Member z_brutalis's Avatar
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    Keen to see some figures of stock have we been mislead all this time haha

  5. #5
    E-Famous (Remeber your roots)
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    Me too.

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    Moderator Sam-Q's Avatar
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    Thought I would give a bit of an update on this seeing me and Jamie have been quite a lot of trial and error on the flow bench for my product development.

    These where all tested at the same time at 28 inches of water. All the "SQ" ones where 3D printed prototypes that had been smoothed out before being flowed. None of the final versions have been flowed yet, it's quite likely that they will flow a tiny bit less due to the polished surface.

    More about those ones


    OEM BT: 320

    OEM ST: 342

    HRC: 445

    IMEC: 483

    Early SQ Blacktop: 484

    Revised SQ Blacktop: 496

    A few things surprised me about these results, such as how good IMEC are for such a simple design, how bad OEM is but most of all that silvertop outflowed black, to my eyes the silvertop factory trumpets look downright terrible with the transition into the throttle.

    I really want to see a back to back run of OEM vs aftermaket on the dyno now.
    My website: SQ Engineering - 4AGE and 3SGE upgrade/replacement parts

    - SQ Engineering on facebook -

    Please e-mail to contact me instead of sending a private message on here.

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