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Ford Motor Company has developed a new 3.5L V6 engine. The engine, called the Duratec35, represents a new architecture for Ford Motor Co. that will eventually power one in five Ford vehicles. The goals of the engine design were high output, fuel efficient, low emissions, and excellent NVH. This paper will describe the NVH process for the development of the engine, the NVH features included in the design, and the final results relative to the benchmarks.

Getting Powerplant NVH Benchmarking right is a key first step in knowing where your design stands relative to its competition and what needs to be improved in order to achieve or maintain NVH leadership. It is through benchmarking that you can define industry trends, who gets it right, who doesn't, and why. A good benchmarking database also lets you estimate the improvements or deterioration due to engine architecture changes or design features. This paper describes a methodology used for selecting, measuring, and comparing powerplant NVH attributes.