The world's largest piston engine is the Wärtsilä RT-Flex96C inline-14 diesel, which generates 110,000 hp, stands 44 feet ...

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

This Hemi just erupted on the dyno at Nick's Garage. It came apart at 6,300 RPM, which should be well within its rev range.

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.

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 ...

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.

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, ...

Diesel engine runaway is a rare occurrence, ... There are also some off-the-shelf oil treatment and stabilizer additives that can help to lubricate piston rings in diesel engines.

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/ ...