Racing Head Service (rhs) 54020 Fast; Throttle Position Sensor 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.

Volvo XC coupe concept (2014) gives first glimpse of new XC90 styling

By Damion Smy and Ollie Kew First Official Pictures 11 December 2013 12:00 A teaser picture and two design sketches give the latest official clues to how the 2014 Volvo XC90 will look. This is the XC Coupe, the second of three concept cars penned by Volvo’s new design chief, Thomas Ingenlath. Many of the car’s cues are shared with the Volvo Concept Coupe we saw (and liked) earlier in 2013.

Gordon Murray T.25: More detail & photos

The Gordon Murray T25 We’ve already made our feelings about Gordon Murray’s ‘T’ cars clear. We think Gordon – creator of the McLaren F1 – is on exactly the right track for City Cars – either the T.25 or it’s electric sibling the T.27 – looking to create cheap to manufacture, small, light and very strong cars powered by either a small, 3-pot engine or by an electric motor. And today we get more detail – and photos – of the T.25, the ICE version.