The GTO wasn’t a car. It was a door kicked open. Pontiac detonated the muscle-car movement by ignoring GM’s “no big engines in mid-sizes” policy and stuffing a 389 into the polite little Tempest.
The 1965 GTO sits at the center of muscle car mythology, and its engine choice still fuels debate. Collectors weigh the bragging rights of the factory Tri-Power setup against the everyday usability of ...
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Pontiac’s 421 Tri-Power: A collector’s dream engine
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 ...
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