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Light Weight Valves The Performance of a Valve Train System is mainly determined by the oscillating moved masses. As a result, the stiffness of the complete valve train must for instance be increased for high-speed engines. Alternatively, the mass of the valves can be reduced, as the largest part of the moved mass in the cylinder head. Thanks to more lightweight valves, it is also possible to achieve more lightweight and cost-effective designs for cam lobes, cam followers, tappets, and springs at the same engine speed level, while also improving fuel consumption and engine noise development. MAHLE has systematically examined material and design approaches for more lightweight valves.
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