Just before the emissions hammer came down in the early 1970s, Oldsmobile was hard at work creating a monster of an en ...

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 1972 GTO’s 455 HO packed a net 300 hp and 415 lb-ft, hiding true power behind new rules — a last stand before the Goat ...

Long before the first Pontiac automobile rolled off the assembly line in late 1926, the Pontiac Buggy Company, formed by Edward M. Murphy was selling horse-drawn buggies to giddy customers looking for ...

TO refresh your memory from last issue, the SD-455 that you see before you belongs to HPP contributor Melvin Benzaquen. We were using it as a mule for a fuel-injection swap into his '74 T/A when it ...

Most automotive enthusiasts and historians typically place the classic age of the American muscle car between 1964 and 1972. During this period, the major American automotive manufacturers engaged in ...

The Pontiac Firebird is one of the cult-classic muscle cars, reaching the pinnacle of American-grade performance with its second generation, with the Trans Am trim, with its humongous 455 engine ...