One New Upper Right Control Arm Dorman 521-472 on 2040-parts.com

Mercedes C63 AMG DR 520 revealed

The Mercedes C63 AMG DR 520 - Saloon & Estate The first thing that springs to mind when you drive a Mercedes C63 AMG is not usually ‘It could do with a bit more power’. But of course, a bit more power is always nice even when you’ve already got plenty. Just so long as it’s usable.

Carrozzeria Touring Superleggera teases Geneva concept car

Carrozzeria Touring Superleggera has released a teaser image of its 2012 Disco Volante Concept, which will debut at next month's Geneva motor show. In 1952, the Italian coachbuilder Carrozzeria Touring teamed up with Alfa Romeo to create a series of special-bodied cars to trial new technologies as well as being easily adaptable for racing. Perhaps the most famous (and beautiful) was the 1952 Alfa Romeo Disco Volante (C52) which was based on the Alfa 1900, with both coupe and Spider convertible bodies produced.

Chevy Camaro Z/28 vs. Porsche 911 GT3: Track day shootout

We're in a Barber Motorsports Park garage in Birmingham, Ala., on a brisk morning with pro race-car driver Andy Pilgrim -- along with the Chevrolet Camaro Z/28 and Porsche 911 GT3, the latest, road course-focused street cars for 2014. Cadillac Racing pays Pilgrim to pilot a CTS-V coupe in the Pirelli World Challenge series, but today he is our hired gun to give us top-level feedback around the challenging 2.38-mile circuit. Pilgrim's r