Suck. Squeeze. Bang. Blow. There’s no joke to be made there—you’re looking at the DNA of the four-stroke internal combustion engine, virtually unchanged since Dr. Nikolaus Otto first built it in ...

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" ...

Any oddball engine is clickbait crack for mechanical nerds, and the most compelling ones purport to introduce an entirely new combustion concept. "Not a four-stroke, not a two-stroke, a revolutionary ...

Although at first this may seem like a subject that any I-know-it-all car fan is already familiar with, we've come to the conclusion in recent years that there are a lot of preconceptions and even ...

At one time or another all of us have felt the hurt of misapplied modifications. Even the most respected names in the tuning industry have been pwned at least once. Those who have moved on to make ...

REMEMBER those wailing banshee motorcycles with plumes of acrid blue smoke billowing behind them? Your correspondent came of age astride one. But few two-stroke engines survived the draconian ...

If you want to know what kind of bike engine fits your needs, you need to know how a two-stroke differs from a four-stroke. Each of them has advantages and disadvantages. But you can't, or shouldn't, ...

Conventional wisdom suggests that our faithful internal combustion (IC) engines are heading the way of the buggy whip. The lithium-ion battery has arrived, emissions standards are tightening, and ...

One of the key decisions in setting up a Mopar street car concerns theexhaust system. Different requirements and different preferences arewhat make our cars unique. For some guys, getting noticed is ...