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Old 10-12-2012, 03:02 PM   #1646
williaty
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Join Date: Sep 2004
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Quote:
Originally Posted by Soul Shinobi View Post
Interesting. So am I right to say that the resonance has to do with air velocity over the valves and the intake track shape, not valve timing or duration?
Nope. It has to do with the stopping and starting of the airflow, the frequency of which is dependent only on engine speed. The cams can only shift the duty cycle of the wave, not the fundamental.
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