Pontiac’s 1966 GTO hit its all-time production high and closed the era of the 389 Tri-Power—pure Detroit thunder in its sharpest, most iconic form ...

The engine option up until 1966 was the 389-cubic inch V8 with 10.75:1 compression, although this could be had in different ...

Out of 32,000-odd examples built in the first year, only a few hundred LeMans ragtops came with the GTO package, triple ...

Escalation became a familiar term in the mid-Sixties. The word stood for stepping-up—expansion, enhancement, intensification. And it was popularly applied to everything from U.S. troop moves in ...

In 1963, John Z. DeLorean gathered a group of engineers at General Motors’ Milford Proving Ground to test a prototype 1964 Pontiac Tempest. What made this Tempest a prototype was the 389 cubic-inch ...