Video: LA Car Spies Witnessed Ken Block Testing Out 60s Mustang For Gymkhana 7

This All wheel-drive Vaughn Gittin 1969 Mustang RTR-X fastback is our Gymkhana man's car of choice for Gymkhana 7. We've seen what he can do in a Ford Fiesta so now it's time to see how he drifts this iconic 'Stang.