15 Muscle Cars That Were Born to Break the Rules—And Did

3. 1969 Chevrolet Camaro ZL1

The 1969 Chevrolet Camaro ZL1 broke the mold with its exotic, all-aluminum 427-cubic-inch V8—an engine originally designed for racing, not street use.
With only 69 units built, the ZL1 was a street-legal dragster, virtually unbeatable at the strip and incredibly rare today.
Its outrageous power and exclusivity made it a legend among muscle cars, and it remains a holy grail for collectors who crave performance and provenance. Hemmings