Ford once explored the idea of a mid-engine Mustang, a bold shift from tradition that never made it to production.

As a modern interpretation of the Ferrari-besting GT-40, the GT90 offered all of the early '90s angles we could stand along with a 750-horsepower V12 engine and a theoretical top speed of 235 ...

But the real showstopper was under the hood: a monstrous 5.9-liter V12 engine boosted by a quartet of turbochargers, churning out a mind-blowing 720 horsepower. With that kind of muscle, the GT90 ...

Like the GT90 we covered last week, these hot V12 concepts from Ford simply kept the embers warm until the company prepared the introduction of the GT supercar in 2003.