Superchargers (Development): History of Eaton Superchargers

In 1949, Eaton toyed with a helical rotor supercharger and even built a 75-cubic inch displacement prototype. This supercharger was temporarily set aside since improved performance was achieved through larger displacement engines. The late 70's spurred new interest in supercharging, since gasoline prices were driven up due to the energy crisis. Eaton continued to improve its design and addressed issues such as efficiency, noise and durability. Vehicle demonstrations followed allowing durability and noise concerns to be refined, as well as a cost effective manufacturing process. This allowed the Eaton supercharger to be installed on the Ford Thunderbird Super Coupe in 1989, followed by GM in 1991 with the Buick Park Avenue Ultra.

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