Quiz: How do variable valve timing systems enhance engine performa March 28, 2025 by Alex Turner How do variable valve timing systems enhance engine performance? Discover more about Vehicle Engine and Automobile at our home page. A) They optimize the timing of the intake and exhaust valves for better fuel efficiency and power output. B) They increase the size of the engine displacement to improve horsepower. C) They allow for the use of higher octane fuel, resulting in more power. D) They reduce engine weight by utilizing lighter materials in the valve train. Submit Answer
