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

New Audi RS6 to get 572bhp V8

The 2013 Audi RS6 looks set to swap its V10 for the new Audi V8 with the wick turned up to 572bhp – the same as the old V10. Most of the new A6 range has now arrived in showrooms – including the S6 and Avant – but what’s still missing is a new RS6, the Audi that used to have the heart of a Lamborghini. But as we reported in April, the 2013 RS6 is well on the way but it will be losing its Lamborghini V10 with its 5.2 litres and 572bhp and will instead get the Audi/Bentley twin-turbo 4.0 litre V8.

Mercedes-Benz buys naming rights to the Louisiana Superdome

New Orleans' Louisiana Superdome, home at one time or another to Super Bowl champions and Hurricane Katrina refugees, is now home to a luxury-car brand. The arena was renamed the Mercedes-Benz Superdome this week after the carmaker acquired naming rights for 10 years. "The investment being made by a premier international brand who believes in 'the best or nothing,' is a tremendous compliment to all of those who worked so hard to make the stadium what it is today," said Tom Benson, owner of the NFL's New Orleans Saints.

Porsche 911 GT3 R racer rockets to America

The potent Porsche 911 GT3 R is bringing its vaunted blend of 480 hp and lightweight construction to the United States. But here’s the rub--only three are en route. The race car replaced the 911 GT3 Cup S in Porsche’s motorsports line and has become a staple of European competition.