The 1966 Pontiac GTO wasn’t just another model year—it was the year the legend came into its own. For the first time, the GTO wasn’t an option on a Tempest or a LeMans. It became a standalone model, a ...
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 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 ...