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 ...

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 ...

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 ...

Ferrari has applied for a patent for a new engine design that utilizes oval (pill-shaped, more like) pistons rather than the conventional, circular pistons widely utilized in internal combustion ...

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 ...

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 ...

Isaac Atienza is a Filipino motoring journalist who joined TopSpeed.com in 2021. He also owns a Filpino motoring website called Go Flat Out PH and is also a contributor to a local newspaper called The ...

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 ...