You'd think measuring an engine's displacement would be simple, but there's a long history of trying to figure out how to ...

Learn how a small engine’s gear and piston system operates together, explained through clear visuals and real mechanical ...

Dimpled pistons might sound strange, but some say they could be the future for diesel power. We've looked at the arguments ...

Sleeving is more expensive than boring an engine block, but especially for aluminum blocks, sleeves may be better able to ...

The mind-bending world of birotary engines - a hybrid of piston and rotary technology that could revolutionize aviation. But ...

Piston ring end gaps matter more than you think because they manage pressure and heat, preventing catastrophic failures ...

Piston-engined fighters ruled the roost for thirty years. A brutal survival of the fittest ensured a rapid evolution of these characterful machines; the final fighters were over six times faster and ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both ...

Two of the largest engine manufacturers today are Pratt & Whitney and CFM International. Both companies compete in the single ...

UL100E, the only unleaded 100-octane avgas currently in the FAA’s fleet approval process, advances as pressure grows to ...

What causes engine vibration, and are any of these issues something you can handle on your own? Let's take a look at nine ...

Rarely has Cunningham needed to prove he can put together a strong-bounce back game. The Pistons (27-9) enter Wednesday’s ...