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150#

  1. Cams/Heads/Valvetrain
    Hi all, I am a little concerned about my new acquisition. I was exeperiencing valve float at 5,500 rpm with my ZZperformance ST1 Turbo Cam and my 105# springs and ~18psi of boost. Therefore I decided to switch to 150# Manley springs. The car runs great and I do not experience valve float...
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