John Hartman’s 2012 Mustang GT S197 is a street beast that runs bottom 9’s

Progressive 5.0: John Hartman’s Mustangs have gotten better & better over time.

Twenty years ago if you said that Ford would deliver a Mustang GT with 460hp and it had the capabilities of tickling the 11s off the showroom floor, you would’ve been admitted to a mental institution for evaluation. But today, that talk isn’t science fiction but reality. It seems with each passing generation of Mustang, what began in the mid-1980s with the switch to fuel injection, builds upon the previous one delivering a better vehicle in every sense -- from style to performance.

Someone who has lived through the generations of improvements is Fishers, Indiana’s John Hartman ... read more