Last week, Senior Editor Lindsay Brooke drove the sixth-generation Ford Mustang in a day-long test on California mountain roads. Surprisingly, his favorite model packs a 2.3-L four-cylinder turbo under the hood. SAE Eye on Engineering can be viewed at http://youtu.be/GQe4MIjKLcc. It also airs Monday mornings on WJR 760 AM Detroit's Paul W. Smith Show. Access archived episodes of SAE Eye on Engineering at www.sae.org/magazines/podcasts.