Documented by the Pontiac Historical Society, this Tri-Power GTO convertible mixes rare factory air, four-speed performance, ...

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 ...

Last month HPP introduced to the readers a '64 421 H.O. Tri-Power engine buildup being performed by Jim Taylor. The goal of the project is to try and find 100 additional horsepower in a cast-iron ...

Perry Roberts' '65 GTO was probably the most popular musclecar of its time—and has become even more popular in the past 21 years. Owning the original tire burner, Perry knew that his Goat needed just ...

In the beginning, muscle was measured by sheer displacement. Detroit’s golden age hadn’t yet found its shape, but the air in the early 1960s was thick with rebellion. Before Pontiac’s GTO broke the ...

Despite a tragic demise ushered in by the 2008 financial crisis, Pontiac has a long and storied history in the annals of automobile development. From the racetrack to the streets, famous names like ...

The Pontiac brand was established in 1926 by General Motors and was so successful in its early years that GM abandoned its similar Oakland division in 1933. Pontiac had begun to flounder by ...