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.

This 1967 fastback is one of the lucky ones that ... Now, don't let the blue "go-fast" stripes fool you. This Mustang is no Shelby. But it's not exactly stock, either. There's no info as to ...