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 ...

The Willys-Knight, built by Willys-Overland of Toledo, Ohio, from 1914 to 1932 is remembered for its ultra-quiet Knight sleeve-valve engine. Although it was also used in European luxury cars and the ...

Most modern gasoline and diesel-powered engines found in the cars and trucks seen on today's roadways rely on the four-cycle-engine principles developed in the late 1800s by Nikolaus Otto, Gottlieb ...

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 ...

Click here if you are unable to view this gallery on a mobile device. One hundred forty-five years ago an American auto pioneer was born in New York state. He was a go-getter from the get-go. From his ...

Editor’s note: David Krumboltz’s regular column is on hiatus until further notice due to the ongoing COVID-19 pandemic. In its place, we’re running some of Dave’s favorite past columns. This one ...

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 ...

SLEEVE-VALVE ENGINES MAY NOW BE obscure automotive history, but they were once popular powerplants worldwide and could be found in the English Daimler and Belgian Minerva, among others. The best-known ...

Click here if you are unable to view this gallery on a mobile device. One hundred forty-five years ago an American auto pioneer was born in New York state. He was a go-getter from the get-go. From his ...

Editor’s note: David Krumboltz’s regular column is on hiatus until further notice due to the ongoing COVID-19 pandemic. In its place, we’re running some of Dave’s favorite past columns. This one ...