This mill was introduced in response to GM lifting the cap on engine size for midsize cars in 1970. That year, the Chevelle also got a 454-cubic-inch V8. The standard 455 came with 365 horsepower ...
The 1970 Chevrolet Chevelle got a sheet metal makeover giving it a "Coke bottle" shape that was all the rage during the classic muscle car era. It was the first year that GM lifted its ban on engines ...