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

Nissan NV2500 concept

Nissan North America today unveiled the NV2500 concept at its Technical Center headquarters in Michigan. The van concept provides a preview of Nissan's entry into the North American commercial market in 2010. "The Nissan NV2500 is a rolling idea lab - bringing a new perspective to the commercial vehicle segment," said Bruce Campbell, vice president of design for Nissan Design America, which developed the concept.

Carlsson upgrades the Mercedes-Benz CLS63 AMG for the Geneva motor show

If supercars had a spiritual home all to themselves, it probably would be the Geneva motor show. This year we'll see the new Ferrari F12 Berlinetta, the Lamborghini Aventador Roadster and the Aston Martin V12 Zagato. But it's not only the home of production supercars; the tuning companies come out to show their wares as well.

Porsche buyers put the brakes on stop-start technology

By Chris Chilton Motor Industry 23 June 2008 18:56 Direct injection and a clever new PDK dual-clutch gearbox have cemented the new 911’s reputation as the greenest performance car around, but Porsche engineers are being hampered from making the iconic sports car even cleaner by the public’s reluctance to accept further green technology Engineers at the launch of the facelifted 911 told CAR that fitting a BMW-style start-stop system could chop a further 10g/km from the Carrera’s 225g/km CO2 rating but that performance car buyers weren’t keen on having such overtly planet-conscious tech on their cars. Start-stop works by cutting the engine when the car’s stationary in traffic, and restarting automatically when you touch the pedals to move off again. Every manual transmission-equipped BMW 1-series comes with the technology, excepting the truly high performance versions.