Pistons play the ultimate role in an engine, but despite that, it's still hard to fully wrap your head around all the forces involved. There are plenty of moving parts in an internal combustion engine ...

Gasoline and diesel engines feature many differences aside from fuel type. Compared to gasoline engines, a diesel is typically a lower-revving, torquier design, hence why it's often preferred over ...

A heavy equipment repair focused on removing worn pistons and installing new ones inside a Hitachi Zaxis 670. It follows teardown inspection precision fitting and reassembly showing the real work ...

Bore and stroke are important measurements when it comes to calculating an engines displacement, and the kind of performance ...

Golf balls have dimples, so they fly farther than balls that don't. Apply the same principle to diesel engines, and you have a gross oversimplification of why dimpled pistons were invented. It's a ...

While there have been many unusual engine designs over the years, there haven't been many advancements involving the inner workings of the piston engine, except for higher-quality components, since ...

When it comes to engines, everyone is always looking for more. More horsepower, more torque, more efficiency. One company has a rather interesting take on how to allegedly get a lot more performance ...

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 ...