Part I (Feb. '10) of this series covered the history and development of GM's four-speed overdrive transmissions and introduced GMPP's latest unit, the 4L85-E SuperMatic, which shares its forward gear ...

Introduced for the 1969 model year as a performance version of the Firebird, the Pontiac Trans Am took its time to build momentum and really get under the public’s skin. In the first five years of ...

It is the most super Super Duty. A 1974 Pontiac Trans Am was sold at the Broad Arrow Auctions event in Amelia Island, Florida, for an astonishing amount. The Admiralty Blue coupe was one of 943 sold ...

Detroit muscle’s golden age peaked in 1970 with cars like Hemi-engined Dodge Charger R/T and LS6-code Chevrolet Chevelle SS 454. From that point, a combination of reduced compression ratios, higher ...

The rivalry between General Motors and Ford has played out on drag strips around the nation for decades, and now, a new video is bringing the heat with two classic muscle cars lining up for some ...

For a generation of automobile enthusiasts, the Pontiac Trans Am remains one of the A-list vehicles of America's muscle car era. It's not hard to see why, as stock Trans Ams hit the market with some ...

How does a basically stock Trans Am rate a car feature in HOT ROD? Simple. It's a clean, well-done hot rod. First, except for the wheels, there are no billet goodies to get in the way. Once you ...

Introduced to the press during Pontiac’s annual model line preview in the summer of 1972, the Super Duty 455 was enthusiastically received. It had a block, heads, rotating assembly, intake manifold, ...

For the 1970 model year, Pontiac unleashed the second generation of its Firebird pony car. Pontiac’s famed engines carried ...