Among these, a mere 10,130 had 428 Cobra Jet engines, and of those, only 5,853 cars were equipped with a 4-speed CR manual ...

Often overlooked when talking about the most iconic first-generation Mustangs, the original Mach 1 was a huge hit ... became the famous 428-ci (7.0-liter) Cobra Jet. Conservatively rated at ...