602 valve springs

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  • zlssefi
    Member
    • Mar 2009
    • 64

    #1

    602 valve springs

    What is the advantage to having a stiffer valve spring in a 602 crate?
  • Egoracing
    Senior Member
    • May 2007
    • 4852

    #2
    Turn more RPM before you loose valve control.

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    • zlssefi
      Member
      • Mar 2009
      • 64

      #3
      springs

      Any idea what rate guys are using for that.? i know a stock spring is supposed to have an 80 lb seat pressure.

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      • Egoracing
        Senior Member
        • May 2007
        • 4852

        #4
        I've never seen a crate motor rule that allowed anything other than stock springs.

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