Cummins has been at the forefront of the diesel engine market for more than 100 years. At this point, an argument could be ...

Even when an updated engine was introduced, it retained the bottom end of the Flathead, a testament to the quality of its 1920s engineering. Harley decided against using overhead valves due to ...

There are only a couple of important parts between the engine and the boiler. There’s an in-line oil reservoir to help combat the corrosive nature of the steam. There is also a check valve.

As we tried to crank over the engine by hand, we could hear and feel the valves impacting the pistons. This was getting worse by the hour. The next step was to remove the head. This would allow ...

General Motors' all-new 3.9L V6 has been honored with a Breakthrough Technology award by Popular Mechanics for its innovative use of variable valve timing in an overhead valve engine. For ages GM ...

At only 120 lbs, the new V2 is the lightest twin-cylinder in Ducati’s history, featuring variable valve timing and ...

Sunbeam introduced overhead-valve engines in the mid-1920s having established its not inconsiderable sporting credentials with sidevalve machines. Introduced in the autumn of 1930, the all-new ...

Continuously variable valve timing, which GM pioneered for overhead-valve engines, is refined to support the LT1 AFM and direct injection systems to further optimize performance, efficiency and ...

Fumes from the oil filler cap betray wear; remove the cap with the engine idling, and if the fumes are obvious a rebuild is due. • Overhead-valve engine: the overhead-valve 107E engine lasts ...

At the start of the 1930s, Ariel’s product range featured a bewildering array of single-cylinder motorcycles, including side and overhead valve engines of 250, 350, 500 and 557cc capacities with ...

The main objective of the company is to manufacture of valves for internal combustion engines and ATE valves for Mercedes Benz. The valves are to be marketed under the trade name EVL. 1973 - The ...

oversquare overhead-valve engines and monocoque construction – all firsts for the Blue Oval. As if that wasn’t enough, there were also 12-volt electrics and hydraulic brakes all round ...