The good folks over at ProCharger Superchargers have caught a feisty S550 Ford Mustang Mach 1 at a local quarter-mile dragstrip, and they were thoroughly impressed with its 'stock' capabilities.

Classic Mustang runs the quarter in the 8s, beating modern muscle rivals at Bradenton's Street Car Takeover. A decades-old Fox Body Ford Mustang ... and a newer S550 Mustang GT, during a string ...