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In a four stroke engine how many times per second does the intake valve open if the crankshaft is turning at 600 RPM?
Wiki User
∙ 13y ago
600 rpm / 60 = 10 revs per second.
The intake valve opens on every other revolution (2 revolutions for every four-stroke cycle).
This results in 5 intake valve openings per second!
Wiki User
∙ 13y ago
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