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.

Noble M600 breaks cover

The first shots of the Noble M600 were released Wednesday. The imposing speed demon will get an eye-popping 650 hp. It will have a top speed of 225 mph and cost about $330,000, according to the U.K.

Kia CUB Concept heading for Seoul Motor Show

An new Kia Concept – the Kia CUB – is heading for the 2013 Seoul Motor Show and is a compact four-door coupe with added funk. As Kia moves more upmarket its concepts become more convincing. Recently, we’ve had the Kia GT – a high-end, powerful swoopy coupe that looks like it’s heading for production – and the Kia Provo which caused consternation in Northern Ireland but looks equally likely to head in to production as the Kia take on the MINI Countryman or Nissan Juke.