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The new 911 GT3 features VarioCam variable valve timing on the intake side based on engine speed and load. Exclusively developed and patented by Porsche, this highly effective technology uses a rotary vane adjuster on each intake camshaft to enable stepless adjustment of intake valve opening and closing. VarioCam differentiates between changing engine loads and seamlessly adapting valve timing to meet the actual performance requirements with the aid of the engine management system. As well as enhancing power and torque, the system offers smoother performance, improved fuel economy and fewer exhaust emissions across virtually all of the engine rev range.
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