The Willys-Knight brought quiet sleeve-valve technology into the affordable price range. The Willys-Knight was a well-regarded medium-priced car built by Willys-Overland of Toledo, Ohio, and Toronto ...

Built in Chicago between 1906 and 1909, Silent Knight automobiles were powered by Charles Knight's four-cylinder, 40-horsepower, sleeve-valve engine. These automobiles had weak points, but the engine ...

Not many people have heard of Silent Knight automobiles. Built in Chicago between 1906 and 1909, they were powered by Charles Knight’s remarkable four-cylinder, 40-horsepower, sleeve valve engine. The ...

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American publisher Charles Knight was not at all impressed with his new 1901 Knox ‘gasoline runabout’. Like some other cars of the era, its four-stroke engine relied on a single valve to permit both ...