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Compression Ratio Piston Postion Graph

Because the intake valve does not close at BDC, the increase in static compression delivers a far more effective increase in dynamic compression. Here some typical intake valve closing points are shown for three different cam duration figures.
Compression Comprehension

Because the intake valve does not close at BDC, the increase in static compression delivers a far more effective increase in dynamic compression. Here some typical intake valve closing points are shown for three different cam duration figures.  View Related Article

 

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