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Thread: Crate Header

  1. #1

    Default Crate Header

    What's the best header for a 602 crate engine?

  2. #2
    Join Date
    Oct 2007
    Posts
    974

    Default

    there is no "best"
    headers are a give and take
    1 design will take from one end of the power band and give to the other
    another design will do the opposite
    the trick is to add to one side and not "take" as much from the other

    1st order of business is the flange ---CORRECT header flange
    make sure your header flange is NOT covering any of the exhaust port and also make sure that it is not so big that it may lose a seal when put into use

    stay basic at first

    Brad
    www.race-1.com

  3. #3
    Join Date
    Oct 2012
    Posts
    237

    Default

    Are the 602 ports the same as the 604 ports

  4. #4
    Join Date
    May 2007
    Posts
    474

    Default

    Pretty sure the 602 takes a std SBC header flange, the 604 flange has bolts offset from std.

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