Dual Quad size

Discussion in 'Other' started by 36threewindow, Mar 18, 2014.

  1. 36threewindow

    36threewindow Well-Known Member

    What is correct CFM for stock 63-65 401 nailhead dual quad set up? I'm assuming they were all the same.

    Al T.
  2. telriv

    telriv Founders Club Member

    Stock they were 625CFM's each.

    Tom T.
  3. flynbuick

    flynbuick Guest

    I am the first to say that I am not a nailhead expert. But to the best of my belief a 401 duel quad engine was never a factory assembly line option. I recall all Super Wildcat engines were 425 cid.

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