With muscle cars slowly but surely transitioning to electric power, petrolheads love to reminisce about the glory days of massive V8s. However, many seem to forget the glorious 455-ci (7.5-liter) that ...

The Pontiac Super Duty 455 is more than just an engine; it’s a symbol of American muscle and performance engineering from the ...

1970 was the peak of the Muscle Era, and this was both a triumph and a disappointment for gearheads. It was the culmination of the horsepower wars, and several iconic Detroit machines emerged that ...

As GM grew and flourished along with the U.S. auto industry in the middle of the 20th century, its divisions began building larger engines. Buick was the first automaker to use a V6 engine in a ...

Oooh, two General Motors V8s within a cubic inch of each other! They have to be nearly the same engine, right? After all, the Chevrolet 454 and Pontiac 455 come from the same corporate parent, and ...

The 1971 Pontiac Trans Am fitted with the 455-cubic-inch V8 arrived at a turning point for American performance. Compression ...

The 1970s were a particularly upsetting time for American car enthusiasts. Not only were insurance costs climbing and new emissions regulations strangling big-capacity V8 engines, but the '73 oil ...

In the Pontiac hobby, there are times we find ourselves trying to separate fact from fiction. Many different engines and models have suffered such a fate, but few are as misperceived as the Super Duty ...

From the November 1969 issue of Hot Rod magazine: Those who appreciate good cars had an eye out for the GS 455. Buick may have the surprise issue in the super-car series this model year. The 400-cubic ...

Matt Nelson is an automotive journalist with nearly a decade of experience in all things cars. He's spent years working at dealerships in sales, finance, and service. He's since traded in his pens and ...