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 ...

NOTE: With this issue of HOT ROD, your Shop Series begins a slightly different and more comprehensive approach to the discussion of engine and vehicle basics. In the coming months, you'll find a frank ...

Despite sounding like a thoroughly entertaining evening out, it is actually a description for one of the most important processes in the majority of engines. Known as the four-cycle, it is the process ...

Most pickup truck fans probably know the new 2016 Toyota Tacoma will feature a new 3.5-liter V-6 engine, yet that isn’t the whole story. This new engine will use the “Atkinson” cycle, most notably ...

From a gearhead's viewpoint—take that back, anybody's informed perspective—there's one guy who stands out as a catalyst in the art of automotive as we know it. Not talking about the caveman who ...

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 ...

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 ...