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

Porsche 918 Spyder caught high-altitude testing

The Porsche 918 Spyder first broke cover as a concept at the 2010 Geneva motor show. Since then, we've seen it again and again at various auto shows and track events. Now it's testing at high altitudes in Keystone, Colo.

VIDEO: Classic-car driver training encourages teens to pilot vintage iron

Thirty lucky kids learned to drive classic cars at the Automotive Hall of Fame in Dearborn, Mich., on Friday in celebration of Collector Car Appreciation Day. Hagerty Insurance partnered with local classic-car owners for the inaugural event, which aimed to foster an interest in vintage cars among young drivers and to introduce them to manual transmissions. Hagerty said today's teens rarely have access to manuals, since about 90 percent of new cars have automatic transmissions.

Opel rolls out new cars at Frankfurt motor show

While some automakers had just one or two new cars to show off at the Frankfurt motor show, GM's Opel division flooded the show with seven new offerings that'll be revealed as the show progresses. While there were plenty of new production models to be seen, including the revised Opel Insignia lineup, it was perhaps the Opel Monza concept that was designed to grab the attention of showgoers. We got a sneak peek at the Opel Monza concept a couple months ago, and even though a production version is not planned, the Monza is meant to showcase Opel's recent resurgence.