Blue W38 Fox Racing 360 Flight Pants 2013 Model 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.

Porsche Cayenne gets more power

Porsche Cayenne Turbo - Powerkit adds 40bhp A lack of power is not something you would normally complain about with the Porsche Cayenne Turbo. After all, despite weighing roughly the same as a grouse moor (unlike the previous generation which weighed slightly more than a small moon), it’s 500bhp V8 moves this SUV to 60mph in a chunk less than 5 seconds. But power under the bonnet is addictive, and even if you have 500bhp under your right foot there will always be occasions when you wish you had just that bit more.

Chevrolet Corvette Z06 (2014) first official pictures

By Ollie Kew First Official Pictures 14 January 2014 13:14 At what point does a sports car become a proper supercar? This might be the answer: the new Corvette Z06. It’s not just a C7-Corvette Stingray with a few extra bodywork trinkets – this ‘Vette has more power than a McLaren F1, and tech from the new C7.R endurance racecar.