Multi-valve

In automotive engineering a multi-valve or multivalve engine is one where each cylinder has more than two valves. A multi-valve engine has better breathing and may be able to operate at higher revolutions per minute (RPM) than a two-valve engine, delivering more power. == Multi-valve rationale == === Multi-valve design === A multi-valve design typ...
Found on http://en.wikipedia.org/wiki/Multi-valve
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