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Despite being some 30-odd years old now, Chevrolet’s Vortec heads are still highly sought after among that crowd because they offer better performance thanks to the creation of a vortex within the combustion chamber.

Ford’s now working on its vortex innovation, according to a new patent application, that will make bigger, better, and more controllable vortices within the combustion chamber.

U.S. patent 0051623 for an “intake port for generating high tumble and swirl” describes an enginewith intake valves whose intake opening can be angled to affect the air entering the combustion chamber.
Read more about the Ford Patent is Basically Internal Combustion Witchcraft at
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