Shaker scoop
From Wikipedia, the free encyclopedia
A shaker scoop (sometimes, inaccurately, called a shaker hood scoop or a shaker hood) is an automobile term for an air intake for combustion air that is mounted directly on top of the engine's air cleaner and protrudes through a hole in the hood. Since it is fastened directly to the engine, it moves with the engine's movement and vibration on its mountings, thus the 'shaker' name.
Official Chrysler literature often referred to this popular hood style as the "Incredible Quivering Exposed Cold Air Grabber". This lengthy title has since been shortened by enthusiasts and collectors to the less tongue-twisting "shaker hood".
Like all such scoops, its purpose is to increase performance at high speed by a 'ram air' effect, delivering high pressure air to the engine. In reality, however, aerodynamics prevents nearly all manufacturer's hood scoops from delivering much if any benefit, and "shaker scoops," like most other factory hood scoops, are primarily for appearance and psychological effects.
Such scoops were fitted to a variety of cars, including: