Watch an intense 1/4 mile drag race between the Porsche 911 Turbo 997 and the highly tuned 9FF 911 996! Can the 997’s ...

Less fuel and emissions, more power, higher revs. EcoMotors' OPOC engine promised it all. Investors, including Bill Gates, gave money. And lost money.

And Steve Saleen is in his fourth year of producing modified Mustangs. Readers familiar with Shelby's various exploits over the past twenty years, and Callaway's pressurized power packs of about half ...