He’s an icon and an enigma, the father of the Shelby Cobra and modified Mustangs of the past. A true living legend and, yet, at an age when many icons and inventors are cruising the golf links and catching the sun’s rays from a retirement community, Carroll Shelby is cruising the fast-lane of niche vehicle development and catching the attention of auto enthusiasts. Shelby most recently helped Ford create a distinctive 325 horsepower version of the Mustang GT, the GT-H, a move that recalls the 1,000 special-edition, souped-up Ford-modified Mustangs of the 60’s that were available through Hertz four decades ago in what came to be known as the ‘Rent-A-Racer’ program..