Start the engine of the running car, and run it for 1-2 minutes while revving the engine to higher rpm.

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That afternoon Kohestani and more than a hundred of his fellow officers were boarding buses when a man on a motorcycle pulled up and began revving his engine.

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The 918 Spyder will be powered by a unique plug-in hybrid system that will include a high-revving, mid-mounted V8 engine with capacity of more than 4.0 liters and producing at least 500 horsepower.

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