This 1968 Pontiac GTO convertible skips right past the factory’s 350-, 360-, and 366-horsepower Ram Air options and goes straight for a 461 cubic-inch stroker backed by a five-speed manual — a combination Pontiac never dreamed of building. The GOAT’s best sales year meets a modern-day engine build that would make even the Ram Air II blush. Here’s what made 1968 the GTO’s high-water mark, and why this stroker droptop earns its own bragging rights.