Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Sky takes Mazda powertrains to the next level

Mazda's next-generation of powertrains, called Sky, will feature a variety of new technologies that company engineers say improve fuel efficiency by 20 percent. The Sky engines--Sky-G for the gasoline version, Sky-D for diesel--coupled with a Sky-Drive automatic transmission or a six-speed manual, were offered for test drives during a technology day in Berlin. The Sky-G engine we drove was a 2.0-liter inline-four that made 160 hp and 155 lb-ft of torque.

Buy a 50th Anniversary FIA 289 Shelby Cobra today

By 1964, Shelby had grown too big for its American britches with its 289 Cobra. It had dominated almost every single race of the United States Road Racing Championship for the past three years, defeating its archrival Corvette at every turn. Two Cobras had been entered in the 1963 Le Mans; one did not finish, but the entry entered by AC Cars, with Stirling Moss running the team, placed sixth overall.

Annual Porsche 928 revival story: 2011 edition

Porsche 928 - about to be revived. Again Another year, another story about the imminent revival of a Panamera-based Porsche 928. This time it’s going to be called the Porsche 929 and arrive ‘some time after 2014′.