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valve springs

812 Views 3 Replies 4 Participants Last post by  DiscountPowerParts1
do i need valve springs for my truck i am making about 50 psi of boos and i need to know if they are needed i am getting a different engine sound after about 2600 rpm and am i folating the valves
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I believe the springs are 60# springs. so dont push much past what you have right now.
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