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

Tomorrow’s world: Fiat's MultiAir engine tech

By Jesse Crosse Motor Industry 14 October 2009 16:50 Fiat this year launches what it claims is a big step forward in variable valve timing: MultiAir. It's the first time that a manufacturer has made a properly variable valve system a production reality, and will slowly be rolled out across most of Fiat's and Alfa's car ranges.How does Fiat's MultiAir vary from existing variable valve timing (VVT) systems?Current VVT systems rely on mechanical systems to open and close the valves. Engineers have long understood the benefits of changing valve opening and closing times to tweak an engine's power and emissions performance, depending on the need for power or parsimony.Valves are an engine's nose and mouth – it inhales through inlet valves and exhales through exhaust valves.

March 2008 wallpapers

By Ben Pulman First Official Pictures 13 February 2008 17:52 We've added eleven new images to our Wallpaper gallery from the March 2008 edition of CAR Magazine. Click here to see the new wallpapers. CAR Magazine has the best photographs of the world's most amazing cars.

2012 Porsche Boxster S on video

2012 Porsche Boxster S Video Just a few days after the reveal of the 2012 / 2013 Porsche Boxster and Porsche Boxster S, we get the first video of the Boxster S. It’s a little unfair, but the Porsche Boxster gets tarred as the Porsche for the man (or woman) who can’t afford the real thing – a Porsche 911. But that is unfair, as the Boxster is a very good car.