Today, advancements in engine tech and environmental regulations have made the gap between 2 stroke and 4 stroke motors smaller. But there are still merits and drawbacks to each type.

A 4-cylinder engine is one of the most common and practical engine types used in cars today. It consists of four cylinders, ...

The system behind Porsche’s six-stroke engine is complex, but the basic idea is that the crankshaft operates through two cycles: intake-compression-power and then compression-power-exhaust.

The unsteady gas dynamic phenomena in engine intake systems of the type found in racecars have been examined. In particular, the resonant tuning effects, including cylinder-to-cylinder power ...

With an impressive specific output of 150Nm/L at 1,000rpm and 230Nm/L at 2,500rpm, Ricardo thinks the technology, called 2/4SIGHT, will allow a 2.1L V6 engine to keep pace with a naturally ...

A detailed 2.0 litre V6 gasoline engine design has now been completed which is intended to deliver levels of performance and driveability more usually associated with 3-4 litre V8.

You can build a working 4-stroke and 2-cylinder engine all by yourself just like a professional mechanic. All pieces are made with high-quality aluminum and they are very precise, which provides ...

The main difference between the gas-driven 2- and 4-stroke sleds is in how the engine works. A 4-stroke engine goes through four strokes of the piston to complete the combustion cycle, while a 2 ...

Cummins Inc. has landed a $47.4 million contract from the National Advanced Mobility Consortium to develop a revolutionary new type of diesel engine for the U.S. Army that promises to be lighter ...