Bore and stroke do far more than define engine size. They help shape airflow, piston speed, torque delivery, and rev ...

Among the many pesky issues that can confound do-it-yourself mechanics, one of the most simple yet elusive that impacts overall drivability is the common vacuum leak. This is especially true if you're ...

As the United States marks its 250th anniversary, WTOP presents “250 Years of America,” a multipart series examining the innovations, breakthroughs and pivotal moments that have shaped the nation ...

Despite the steadily rising popularity of turbochargers and superchargers for hopping up early- and late-model hot rods, nitrous oxide, better known as “throttle in a bottle,” has never lost its ...

The five-cylinder engine is uncommon relative to the ubiquitous four-cylinder, six-cylinder, or eight-cylinder variants. As an odd-number engine, it certainly is in a class of just three such engines.

Last week would have marked Ferdinand Piëch's 88th birthday, and to mark the occasion Bugatti put out a release telling the fascinating story of how Piëch resurrected the brand and created the ...

When it comes to vintage Chevrolet engines, the L88 is near the top of the epic performance pyramid. For those out of the loop, the L88 is a 427-inch big-block V-8 engine that was originally factory ...

GM Authority has been at the forefront of coverage when it comes to the 6.2L V8 L87 engine recall, covering everything there’s to know, from the vehicles impacted, to the issue at the heart of the ...

An engine number is a special alphanumeric code that is imprinted on a motorcycle engine, and its primary use is as a unique identifier for the engine. Manufacturers differ on what is included, but ...

The engine is the beating heart of a vehicle, and if it fails, most people will either invest in a new engine or simply buy a new car. However, if the vehicle is salvageable, and you don't want to ...