Ford’s in-house performance models came around in 1969 when the Mach ... 91:1 rear axle with Trac-Lok, power disc brakes up front, and considerable criticism. Why so? The restyled Mustang of ...

Eight years later, the Blue Oval unveiled a new Mach 1 concept, but this time, it was a re-bodied Mustang meant to showcase future styling cues. In 1969, the Mach 1 became a new performance ...