One of the traits that defined the original Datsun 240Z, and one of the things that made it so successful right from the outset, was its value proposition. Datsun had made its reputation selling affordable, reliable, value-oriented economy cars that tended to outperform their modest prices. The Z represented an ambitious step up into the performance car arena, but it was not a fundamental shift in the brand philosophy. The Z also emphasized solid value. It was launched with a sticker price of around $3500—roughly the same as a Triumph TR6, MGB GT, or even a Porsche 914 of the same vintage. But thanks to its light weight, excellent balance, and energetic inline-6 it performed as well or better than all of those, and offered substantially better reliability to boot.…