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Thread: High Butterfly and Slide Valve Dimensions

  1. 09-07-2015, 01:39 PM #1
    Ferrino
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    High Butterfly and Slide Valve Dimensions

    I was wondering if someone could please help me with some very approximate dimensions of two early 911 intake systems: the "high-butterfly" and "slide-valve" setups. What I'm looking for is the approx. height of:

    i) the intake trumpet/stack
    ii) the intake runner containing the throttle valve/slide

    Also, if you happen to know the typical ID of the trumpets, that would be useful too.

    Here are some pics of the systems I'm referring to:




    Thanks!
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  2. 09-07-2015, 03:56 PM #2
    Chuck Miller
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    Ferrino,

    Give Matt a call, he should be able to help'ya
    http://www.eurometrix.ws/

    Cheers,
    Chuck
    Chuck Miller
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  3. 09-09-2015, 11:02 AM #3
    Ferrino
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    Thanks! Mark Jung kindly provided me with the following dimensions for the high-butterfly setup: The throttle Bodies are 152mm and the stacks are 145mm.

    Can anyone please help with the slide-valve setup?
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