In 1968, this machine underwent a slew of changes ... with four straight victories at the Le Mans 24 Hour endurance race between 1966 and '69. In 1966 alone, it finished 1-2-3 against Ferrari ...

If you walked into a Pontiac dealership to order a Le Mans in 1969, the first engine the salesperson offered was the standard six. At 175 horsepower, it wasn't a lazy choice, but the GM brand also ...