Both intake and exhaust valves can be opened and closed at any desired crankshaft angle. This flexibility enables an engine to deliver lower fuel consumption and emission numbers, while still delivering increased torque and horsepower.
Optimal valve times for volumetric efficiency at all RPMs
For the Qoros 1.6 liter 4 cylinder engine, torque increased by 47% and power increased by 45%, as per diagrams above.
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