This movement supplies the power to the crankshaft, and as the piston moves back up toward TDC, a second valve opens (exhaust) and the cylinder is evacuated prior to the next intake stroke. But right ...

The roar of an engine coming alive is a result of a process that creates thousands of explosions every minute. There are four steps that create these explosions: intake, compression, power and exhaust ...

Captain Kirk beseeching his chief engineer to once again pull his buns out of an intergalactic tight spot has become nearly clich. That line has also been the battle cry of hot rodders when the first ...

You might already know that gasoline and diesel engines both operate using the same four-stroke cycle: intake, compression, power, and exhaust. However, a key difference between gas and diesel engines ...

In the past decade, the LS engine has easily become the most popular motor transplant for American muscle cars, lowriders, trucks, and street rods. With their aluminum construction, improved oiling, ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

We're all interested in getting more power and mileage from our sport trucks. The question is how to get it. Two of the most popular bolt-on performance parts are free-flowing intake and exhaust ...

Volkswagen created what they’re calling the Budack cycle, with a unique twist on the typical four-stroke engine (intake, compression, power, exhaust). During the intake stroke, the intake valves close ...

Nissan’s variable-compression turbo (VC-Turbo) is a unique engine capable of variable compression adjustment. Unlike traditional engines, which have a fixed compression ratio, the VC-Turbo engine ...