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Thread: Optimum intake runner size

  1. #1
    Senior Member MASTER BUILDER
    Join Date
    Aug 2007
    Iowa - USA

    Optimum intake runner size

    What would be a good intake runner size of a 406 sbc that is a drag car only. I know there are lots of variables, i.e. cam, compression, etc. Just would like a ball park number. Thanks.

  2. #2
    Junior Member JOURNEYMAN
    Join Date
    Jan 2006
    210 AFR

  3. #3
    Senior Member SENIOR BUILDER
    Join Date
    Nov 2008
    Phoenix AZ
    215 - 225 without knowing any of the variables.

    Try to fill in as many variables as you can, the experience and knowledge lurking here could be of great benefit to the power level of your engine.

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