A muscle car is not a piece of Italian exotica, a Ferrari or a Lamborghini, cars which are just too complex and too specialized; nor is it a German Porsche, which is too efficient and too clever by half; nor yet a classic British sports car, a Morgan, TVR or Jaguar, which could never be regarded as fitting the bill. Sports cars, by and large, are not muscle cars, with two notable exceptions: the legendary AC Cobra of the 1960s, and the Dodge Viper...