Bent and Bruised: 1970 Pontiac GTO 455 V8 (opens in new tab)

The Pontiac GTO was the “leader of the pack” when it came to muscle cars in the 1960s. It reached peak sales of 100,000 units in 1966. But cooling demand, some caused by rising insurance premiums, brought that number to 40,000 in 1970. And that included the new 455 cubic inch V8, the largest engine...