Piston rings are small engine parts with a big job. They seal combustion pressure, control oil on the cylinder wall, help ...

Of all the innovative and weird experiments bike manufacturers carried out in the '70s, this Honda engine experiment stands ...

Converting the ignition of a fuel-air mixture into usable mechanical energy lies at the core of a dizzying number of internal combustion engines developed over the course of more than century.

There's more to piston shapes than you might think. Whether it's domed, flat, or dished, all pistons have their fair share of pros and cons when it comes to performance and efficiency. Understand that ...

There are several types of engine compression testers. Be sure to use the correct type for your specific engine, otherwise ...

Flat engines are horizontally-opposed piston engines, and this group includes Boxer engines, but not opposed-piston engines like the Cummins 14.3L Advanced Combat Engine (ACE) designed to power tanks.

There's a common phrase in the automotive sphere: "There's no replacement for displacement." But what does that mean, exactly? Well, an engine's displacement is measured by the volume of the ...

The effects of PCV failure are especially noticeable in turbocharged engines, where crankcase ventilation becomes critical ...