In the late 1960s, Chevrolet offered a sleeper car that combined unassuming looks with the raw power of the legendary 427 V8 ...

The one-of-none muscle car sports a seven-liter big-block that was not, in fact, available from the factory in 1967, but it could be ordered by the dealer ...

Even Chrysler offered a 340 cu-in V8 in its muscle cars like the Dodge Challenger ... to power the Shelby GT350 between 1965 and 1967. Sleeper cars come in many different shapes and sizes, but ...

Rated at 320 horsepower in 1967, the S-code 390-cubic-inch V8 was the first big-block engine ever offered in the Ford Mustang.

Sam and Dean drove around the United States in a black four-door 1967 ... V8 Turbo-Fire engine that generated 275 horsepower. The 1964 Chevy Impala has long been a sought-after collector's car ...