pGet one before one gets you ppMotion Performance's catchy sales pitch for builder Joel Rosen's Phase III Specialty Muscle Cars sums up the escalating performance scene in the late 1960s. Special edition muscle cars were essential to keep pace. Joel and other independent car builders such as Carroll Shelby, George Hurst, Dick Harrell, Mr. Norm, and Jim Wangers did what the factories couldn't do take the muscle car and turn it into a tire-burning monster.ppAlthough the Pontiac GTO established the muscle car category in 1964, a host of corporate safety restrictions restrained factories from offering turn-key race cars off the showroom floor. Independent car builders enhanced appearance and amplified performance in an attempt to do what the manufacturers wouldn't. Motion Performance issued a written guarantee Phase III cars would run 11.5 at 120 mph down the quarter-mile ppSome of the most iconic nameplates in automotive history were applied in this era with names that included Cheetah,