The story of how Honda developed an oval-piston race engine that ultimately failed but still made history along the way.

For as long as internal combustion engines have existed, pistons have been round. This wasn't necessarily because circular shapes were optimal for performance. It was simply the easiest and most ...

Ferrari is exploring a groundbreaking approach to the internal combustion engine, as revealed by a recent European patent filing. Departing from the industry-standard round pistons, this new design ...

Ferrari has signaled a willingness to challenge one of the most fundamental assumptions in engine design by filing a European ...

Q:I have a 327 in my '31 Ford that features nearly the same cam and components as the one you referenced recently in Pit Stop (Nov. '12). Since a 1.6:1-ratio rocker arm will push the valve a little ...

Friction is the enemy of speed. Whether it's rolling resistance or the wind flowing over the body at speed, racers work tirelessly to dispense it. The concept of friction may seem like an entirely ...

Engine cylinders can misfire due to problems with the ignition system, the fuel system, air and compression, or sensors and ...

Ferrari continues to explore hydrogen-powered drivetrain solutions, patent documents discovered by AutoGuide.com indicate Ferrari is looking at a two-stroke 3- or 6-cylinder opposed piston engine ...

Piston-driven aircraft are significantly more affordable to purchase than turboprops, with models generally ranging from $100,000 to $1 million. Training and certification for piston planes are less ...