An experimental race engine that was canceled before it got to race, the Mark IIS "Mystery Motor" remains one of the most fascinating V8s built by Chevy ...

Driving an EQS is an experience full of a-ha moments and utter confusion. I don't think we're going back, either.

Need a screaming, 800-horsepower V10 to power your home-brew endurance racer? This Noonan V10 may be right up your alley.