Detroit Speed & Engineering’s Ryan Mathews calmly weaves DSE’s newest test vehicle through the cones. You would not know from this picture of calm that he was on the fastest lap of the event—a scorching 33.970. The ’66 Mustang owned the field, and it was the car’s first public outing. Soon, Ford owners will have access to the same engineering resources that Chevy guys have enjoyed for years. Look for the details in PHR first!