How Mercedes and GM took the turbocharged four-cylinder to its current peak.

In the current market, it is common to see new diesel trucks putting out over 1,000 lb-ft of torque from the factory. That's just in the consumer space. When it comes to heavy-duty industrial ...

Without getting into a long-winded dissertation about torque, we're going to suggest that you dig through your old copies of HOT ROD Magazine and familiarize yourself with the relationship between ...

The nomenclature of engine power can get tricky. Brake horsepower, shaft horsepower, pound-feet (lb-ft), dynamometer ratings, revolutions per minute, engine load, and temperatures all play a part in ...

Mercedes-AMG's innovative M139 engine, combined with electrified tech, creates the most powerful four-cylinder powertrain.

Frankly, you'd think this subject would have been exhausted by now. After all, how much "borderless education" can you absorb about such common and oft-explained engine functions as getting rid of ...

torque is a force. horsepower is the rate at which the engine does work. Really, all the engine's peak torque, and the RPM at which it produces it tells you is the general operating characteristics of ...