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 ...

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 ...

Introduced for the 1964 model year, the Pontiac GTO is credited with popularizing the muscle car segment. While this statement isn't widely accepted, there's no denying that the GTO is one of the ...

The 1967 Pontiac GTO High Output package did more than add a few extra horsepower. It crystallized how Pontiac could keep selling excitement in an era when corporate rules were starting to rein in the ...

After owning over 100 Pontiacs, how can any one of them be so special to Andre Rayman that he's kept it for nearly three decades? He says that his isn't just any Pontiac: It's a special-order Tiger ...