A troubled start and persistent fixes shaped a Harley Twin Cam story that spans upgrades, displacements, and service lore.

An engine hoist isn’t a tool you’ll use every day, but it’s absolutely irreplaceable when your project car commands one. I mean, you can opt to try and lift the thing yourself but trust me, that’s no ...

The 2007–2022 fuel-injected Harley Sportster Evolution 883 and 1200 offers proven reliability, simple maintenance, and strong ...

Although the basic principles of an internal combustion engine are universal, the manner in which these engines are designed and function vary greatly. Some engine configurations are designed in a ...

Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...

Meet REX, an ambitious project designed to advance the RE engine.

EPA has adopted emission standards for almost every kind of engine, including everything from lawn mowers to cruise ships. To show compliance with these emission standards, engine manufacturers must ...

The NHTSA investigation into General Motors models with certain V8 engines has now reached nearly 1 million vehicles.

In some sense, cars are the forces that drive our world. They help us shorten distances, travel faster than we’ve ever thought possible, and make our lives degrees of magnitude easier. All of that was ...

Capcom wants to evolve its RE Engine into an “AI-generation game engine” with a roster of technology improvements, according to one of its programmers. On Friday, the Resident Evil publisher held its ...