Underdrive Pulley Kit Mustang on 2040-parts.com

Mazda celebrates the Miata's 20th birthday

Hard to believe, but the Mazda Miata is 20 years old. And Mazda didn't let the birthday pass without a party. On July 17, parked in the inner courtyard of Mazda R&D in Irvine, Calif., were examples of every significant Miata and MX-5 Miata ever made.

Jaguar XJ 3.0 TDV6 Long Term Test (2010): The Intro

Our long-term XJ joins last week's review car - the XF S We moaned about the tease that was the introduction to the new Jaguar XJ, but we dutifully went off to the press launch at the Saatchi Gallery in July 2009 and declared the design a triumph. We looked forward to the promised press cars by Christmas 2009, but they never happened as Jaguar worked to make the new XJ as bullet-proof as a car can be. But by the end of May 2010 the first press cars started to arrive and the first customer cars escaped in to the wild.

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.