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 ...

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 ...

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 ...

Willys was on a business trip to Cleveland, Ohio, in 1899 when he saw his first car. He was mesmerized. He noticed the tremendous interest people showed seeing a horseless carriage drive down the ...

James Vaughn’s three favorite letters related to his five vintage cars — including a 1929 Willys-Knight with an unusual “sleeve valve” engine — are “N.O.S.” In car restorer’s parlance, those three ...

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 ...

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 ...