TwinTurbo.NET: Nissan 300ZX forum - Valve float comes from too high an rpm. If that happens
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Subject Valve float comes from too high an rpm. If that happens
     
Posted by AzHeat on September 21, 2004 at 6:55 PM
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In Reply To Re: Harmonic distortion? Please explain little more posted by Spongerider :) on September 21, 2004 at 06:48 PM
     
Message on a hydraulic cam, the lifter will pump up and hold the valves open because of the lifters are trying to take up the slack. There are harmonics when it comes to air flow inside an intake manifold. Cam timing and manifold design can change affects those air flow harmonics.

     
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