Almost all gasoline engines, whether they're efficient-yet-less-refined four-cylinders, high-horsepower V6s, or growly and torque-rich V8s, use much the same process to create power. The "Otto cycle" ...

You may have heard your car has a four-stroke engine, but you're not sure what that means. Why are there four? And what is a stroke, anyway? A modern gas engine most commonly uses pistons and a ...

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There are two basic differences between 2 stroke and 4 stroke motors. One has to do with how many strokes it takes a piston to complete an engine cycle (more on that below). The other has to do with ...