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

One of one: unique 1,000hp Lotec Mercedes supercar for sale

Think the 1,000hp Bugatti Veyron was groundbreaking? What if we told you there was a Mercedes-Benz supercar with the same power output back in 1995 – a decade earlier than the Bugatti – and one that also claimed a higher top speed? Meet the Lotec C1000.

Jaguar F-Type: Fearless

Jaguar is continuing its PR assault for the new F-Type with a video setting out just how special the new Jaguar F-Type will be. If there’s one thing that separates ’New Jaguar’ from ‘Old Jaguar’ it’s their willingness to embrace every opportunity to positively promote their cars at every possible turn and in every possible way. The launch of the new XJ properly started the new style of PR offensives when Jaguar managed to release what seemed like a thousand teasers for their new big Cat before we’d even seen it in the flesh, and that was a full year before the first new XJs even hit Jaguar showrooms.

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.