The 2013 Ford Mustang Shelby GT500 is powered by a 6.2 liter supercharged V-8 engine with 662 HP, making it the most powerful, factory made Mustang ever. That being said, the classic Mustang is still better and many car enthusiasts prefer it over any other model, no matter how powerful that other model may be. In a situation like this - let’s face it, there aren’t many classic models ready to be scooped up - many tuners will try to convert existing models into the legendary 1969 models. Retrobuilt is one of those tuners that has a big passion for the 1969 Shelby GT500 and is ready to make one at all costs.[...]