An engine's displacement dictates power output based on the bore and stroke, while compression ratio influences how strong ...

Engine power is a product of its overall displacement, but two similarly-sized engines with different bore and stroke characteristics don't perform the same.

Think the legendary 6.7 Cummins is the undisputed king of heavy-duty torque? Here are four massive diesel engines that ...

The use of a dyno to measure horsepower and torque is a valuable tool for the racer. If you use the dyno just to see what kind of torque and horsepower numbers your engine is developing, that may be ...

Horsepower figures sell cars, but they rarely tell the whole story of how an engine actually feels on the road. Some of the ...

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 ...

If you ever want to start an argument between diesel enthusiasts, just bring up the topic of the 6.7 Cummins and PowerStroke diesel engines and see the sparks fly. It's a rivalry as old as time itself ...

Bore and stroke do far more than define engine size. They help shape airflow, piston speed, torque delivery, and rev ...

How the Coyote V8 was developed, all the generation updates and their specs, a summary of the supercharged variants, and a few known Coyote problems. The Ford Coyote engine is a modern, naturally ...