GMC Sierra owner Jacob Van Den Top reports lifter failure on his 6.2L V8, challenging GM’s claims that the valvetrain issues ...

The 1966 Shelby GT350R has long been celebrated as a street-legal race car, but the same traits that made it ferocious on ...

At the end of the day, an internal combustion engine is just an air pump. Proper airflow in and out of the engine is thus critical to efficiency and power. The valves atop (sometimes on the side) of ...

General Motors either has a naming problem or a deep sentimental attachment to the name "LT1". If you walk into a Chevrolet dealership today and ask for an LT1, you are looking at a 455-horsepower ...

For more than half a century, ZR1 has been used by Detroit's largest manufacturer to designate the ultimate performance variant of the Chevrolet Corvette. Initially an RPO code in the GM ordering ...

American automotive performance in the 1950s was a simple recipe. If you wanted to go faster, you didn't optimize what you had; you just added more to it. More displacement, more iron, more horsepower ...

After more than two decades of flogging muscle motors on the dyno, Nick Panaritis thought he’d seen it all. But when a 472-cubic-inch Hemi arrived at his garage with a history as troubled as a street ...

Take a relatively lightweight two-door midsize or compact car and stuff a big V8 under the hood — this formula was born in Detroit in the mid-1960s, and it defined the classic muscle car era for about ...

Hydraulic lifters are a gift from above when it comes to keeping an engine running reliably for years on end. However, that only stays true if said lifters are properly set up during assembly. That is ...

We may receive a commission on purchases made from links. Car engines derive power from thousands of miniature explosions contained within their cylinders every minute. We quickly become accustomed to ...