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 ...

Some of the world’s most complicated engines were created to achieve a specific objective. These engines were built to ...

Pop the hood on a classic Mazda RX-7 or RX-8 and the engine bay looks […] ...

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 ...

Think you know everything about rotary engines? Well have you ever heard of the bi-rotary engine that mixes pistons and ...

If internal combustion is a war, then pistons are quite literally on the frontlines. Converting reciprocating energy into rotating force means that the four-stroke process tries to both eject the ...

Tenneco. has been granted a patent for a piston designed for internal combustion engines. The piston features a crown and skirt with friction-reducing coatings and strategically arranged depressions, ...

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

The story of how Honda developed an oval-piston race engine that ultimately failed but still made history along the way. Honda pioneered oval piston technology in the 1970s for four-stroke racing ...

The defining characteristic of a two-stroke engine is to fire (combust) every time the piston is at top dead center. This makes them highly power dense, but also notoriously makes two-stroke engines ...

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 ...