The Pontiac 421 Tri-Power was a standout engine during the golden age of muscle cars, known for its impressive performance and unique design. Enthusiasts and collectors continue to admire its ...

In the 1960s, those in the know would nod approvingly if they saw a simple “421” badge on the fender of an unassuming Pontiac. Those three simple numbers told them that this full-size family hauler ...

Pontiac began in the 1920s as a brand that helped define General Motors' mid-tier strategy. Over the years, it gained a reputation for building sturdy and powerful engines that have left an ...

Pontiac has made some really cool cars over the years, such as the GTO, Bonneville, and Firebird. But while there are many underappreciated Pontiac muscle cars, when people talk about what makes ...

Introduced in 1960, the Super Duty V8 engine turned the Pontiac Catalina into a worthy NASCAR and drag-racing competitor. In 1962, Pontiac debuted a larger, 421-cubic-inch (6.9-liter) version of the ...

The 421 Super Duty engine was introduced at the end of the '61 model year. Basically an enlarged 389 Super Duty, the components were shipped to factory-backed racers to make Pontiac an even greater on ...

A first-year Pontiac Grand Prix that looks like it’s been sitting for many years, waiting for restoration, hopes it would eventually receive the highly anticipated overhaul after showing up on eBay.