When the GT500 KR was unveiled at New York this past spring, we pressed Ford's SVT team as to why the SVT badging was absent from their creation. Their answer was so simple and obvious that it bears repeating. A 500 HP SVT Mustang doesn't sell for $30,000 over invoice, but if you add Carroll Shelby's name to it, a killer car becomes an instant sensation. Much of the street cred Shelby currently has was earned during the 1960s, when Carroll took the Mustang from a "secretary's car" to a hot-rod pony car.