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

Audi A3 Clubsport Quattro Concept gets 518bhp – heading for Worthersee

The 518bhp Audi A3 Clubsport Concept (pictured) is heading for Worthersee The Worthersee Show is looming at the end of May, and we can expect some extreme and mad concepts from the VW Group queuing up for attention. And among those will be this, the Audi A3 Clubsport Quattro Concept. Based on the Audi S3, the A3 Clubsport eschews the S3′s 2.0 litre TFSI in favour of Audi’s 5-cylinder 2.5 litre, and in the A3 Clubsport the wick gets turned up considerably to 518bhp and 442lb/ft of torque.

Mazda brings diesel back to Indy with 6 Skyactiv-D

Diesel has enjoyed great success lately as a racing fuel, but there's one place it hasn't appeared for more than six decades: Indianapolis Motor Speedway. Mazda's breaking that dry spell this weekend, when its Mazda 6 Skyactiv-D race car will head to Indy for the Grand-Am race. We like the 6 in both road trim and racing livery, but that previous diesel-powered racer -- the Cummins Diesel Special -- is pretty neat too.

Nissan's senior manager color and design strategy Francois Farion on the importance of objects in keeping focus [w/Video]

Nissan's Francois Farion, senior manager, color and design strategy, features in a new video giving an insight into how important objects are to designers when communicating, defining and maintaining their design intentions. A lot of time and energy goes into designing a car and so, Farion says, it's vital that designers keep their focus throughout the process. He believes objects are the key to creating coherent designs.