Pontiac’s final 455-cubic-inch V8 hides in plain sight, and today you can buy it for less than the price of a new hatchback.

A 1971 Pontiac Trans Am fitted with the massive 455 HO engine installed by the GM brand before it left the factory is looking ...

Due to stricter government regulations, the era of unrestrained factory-built performance was coming to an end in 1971. However, GM's excitement division answered with the largest displacement engine ...

Last year, Trans Am Depot debuted their impressive new 455 Super Duty – a Pontiac Trans Am homage based on the sixth-generation Chevrolet Camaro. The 455 Super Duty may look like a sixth-generation ...

Since the beginning, terms like Ram Air, High Output, and Super Duty have been synonymous with hard-core Firebird performance. But in 1975 the Trans Am became another victim of emissions standards and ...

It's difficult to grasp how an engine can generate enthusiastic buzz more than 40 years after its inception, but mention Pontiac's Super-Duty 455 and some Firebird fanatics get wide-eyed while others ...

With the demise of the Pontiac brand came the end of a long lineage of muscle cars. No, Pontiac wasn't offering the most exciting lineup at its death, save for the Holden-sourced G8, but history means ...

Although the 840-hp (on 100 octane race fuel) 2018 Dodge Challenger SRT Demon has been blowing up the internet, another high-powered American muscle car was also introduced at the 2017 New York auto ...

Pontiac Trans Am is a strong contender for the title of the ultimate muscle car due to its performance beyond 400 cubic inches, including horsepower, suspension, and handling upgrades. The ...