2017 Fiat 124 Spider Catalog Sales Brochure 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.

McLaren MP4-12C tackles the N

Not to be left in the Nordschleife hot-lap dust, McLaren took to the German track as part of its testing of the all-wheel-drive MP4-12C, and of course, there's video. First we see the engineers making final adjustments before a quick montage of the MP4-12C testing across the world. After a few words from McLaren brass and test driver Rudi Adams, they hit the track.

Bugatti Veyron Centenaire – first car comes to the UK

The first Bugatti Veyron L'Edition Centenaire has been delivered to the UK Veyron Limited Editions are becoming so prolific that before long it will in truth be the standard car that is the limited edition. But this is a good one. Designed to commemorate historic Bugatti racing drivers from the annuls of Motors Sport history, there are four versions.