When it comes to engines, everyone is always looking for more. More horsepower, more torque, more efficiency. One company has ...

Piston engines are the heart of many machines we use today, from cars and airplanes to industrial machinery and motorcycles.

Steel Diesel Engine Pistons. Which Material Will Win the Performance Diesel Piston War? Jason Thompson Writer Federal-Mogul Corp. Photographer Nov 01, 2012. See All 7 Photos.

Diesel engines have pistons that look different from the ones you'd see with a gas engine. There's a reason why that's the case, and it's all about performance.

Piston engines rely on oxygen to efficiently burn fuel, but as you fly higher, there's less oxygen in the air. Most piston-engined aircraft would have difficulty flying at airliner altitudes.

Opposed-piston engines have been around since the late-19th century, so the idea isn’t new. In that time they’ve been placed in heavy-duty conveyances like trains, tanks, ships, and submarines ...

No wonder today's OEM engines have thinner piston rings than their predecessors. Think about a 1972 Camaro and its 350ci small-block, which had a piston ring pack with two 5/64-inch rings and a 3/ ...

This piston orientation allows it to be even more compact than typical free piston engines. This makes it perfect for use as a range extender. Take for example, the Chevy Volt.

If new free piston engines do take off though, we’ll be more pleased than anyone to eat our words. Posted in Retrotechtacular , Slider , Transportation Hacks Tagged 2-stroke , engine , free piston ...

Worn piston rings are usually the first thing that causes you trouble. ... Here is how to tell when there's too much blow-by in your diesel engine. Blow-by can harm an aging engine, ...

Likewise, piston engines are often naturally aspirated, meaning there are no complex induction systems. These are time-tested designs that have been in common use for over a century.