This is the first Porsche 911 to get Singer and Williams' 500-horsepower engine

Singer reveals its latest modified machine, an olive-green Porsche 911. It's powered by a 500-horsepower flat-six co-developed with Williams.

A few months ago, we told you about a wild 500-horsepower flat-six engine that the Singer restoration company developed with a division of Williams, the company that runs a Formula 1 team with the same name. Now we finally get our first look at the first Porsche 911 that Singer put the engine into. And while the color may not be for everyone, there's no question that it's still a beautiful and finely updated vehicle.The car started as a 1990 Porsche 911 964, but you'd be hard pressed to tell ...