In the latest episode of Generation Gap, the guys return to the Lingenfelter Collection to pit Shelby against Shelby. Davin's selection, a 1967 Shelby GT500, features the pure power of the custom-built Shelby 355-hp 428 "Police Interceptor" V-8, while Matt's 2010 Shelby GT500 Patriot Edition's expertly tuned supercharged V-8 squeezes an astonishing 540 hp out of its 330 cubic inches. The guys tackle this question: Do specs alone make a car?