The Quickest Quarter-Mile Muscle Car of the 1960s: The 1969 Plymouth Road Runner A12 The 1969 Plymouth Road Runner A12 (Via Plymouth) The 1969 Plymouth Road Runner A12 was the fastest muscle car of the 1960s, completing a quarter-mile in just 13.0 seconds. It featured a powerful 440 cubic inch (ci) V8 Six-Pack engine, a 4.10:1 rear…
