Now living in Mesa, Arizona, Jim has owned and restored an impressive ... This ’65 Mustang 2+2 was a factory San Jose-built Twilight Turquoise C-code (200-hp 289 2-bbl) automatic.

And yet, however universally acclaimed it was, the Mustang lacked one critical attribute: high performance. The K-code variant of the 289 cubic-inch V8 was the best the Blue Oval had to offer in ...