Holley Model 4180-c Carburetor Kit on 2040-parts.com

GM's Ed Welburn walks Jay Leno through the Elmiraj concept's design [w/Video]

General Motors' vice president Global Design Ed Welburn stars in the latest of the 'Jay Leno's Garage' YouTube series, running the talk-show host through some of the new Cadillac Elmiraj concept's design features and what it means for the brand's future. We get a look at all the classic Cadillac design cues such as the vertical headlamps and tail lamps as well as the central hard crease that Welburn says is "important in every Cadillac". Leno and Welburn then move onto the Elmiraj's features, such as the large doors' integrated handles and the slimmer A-pillars before a more in-depth look at one of the concept's most striking features – the grille.

Cadillac 2014 ELR [w/Gallery]

Cadillac unveils the 2014 ELR today at the North American International Auto Show. The new luxury coupe is almost unchanged from the Converj Concept - unveiled at the 2009 NAIAS - upon which it is based and features Cadillac's signature vertical headlamps and rear lamps. The flush fascia and grille – with active shutters behind the grille opening – combined with tapered fascia corners and a raked windshield mean that drag is reduced to 0.305.

Porsche 918 Spyder gets Martini Racing livery

The Porsche 918 Spyder hybrid supercar has been revealed in traditional Martini Racing livery, an option available to buyers. The Porsche 918 Spyder has been cropping up lately with a black and white version of the iconic Martini Racing livery as 918 Spyder Prototypes strut their stuff on Europe’s roads. But now Porsche has gone the whole hog and struck a deal with Martini to revive the Martini Racing livery used by Porsche in the 1970s for its new hybrid supercar, and buyers of the 918 Spyder will be able to option their new car up with Martini logos.