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

McLaren P1 basks in Bahrain photo shoot

Following its Middle East debut in Bahrain in January, McLaren brought the P1 back to the desert for some glamour shots before the car's arrival on the market. The land is full of oil, sand, sheiks, princes, sultans and an amazing amount of car enthusiasts. Every supercar maker stops there with something new, knowing a few sales are guaranteed.

Audi's new A8 (2010): the first teaser photos

By Ben Pulman First Official Pictures 21 July 2009 17:34 Audi has released a teaser picture and sketch of its new A8 limo. Buried amongst the press material for Ingolstadt’s 100th anniversary were the two teaser images: the sketch reveals the headlight and grille design; the picture shows the A8 hidden beneath a black Audi-branded dustsheet.The A8 is currently in the final stages of testing, but Audi promises an unveil in ‘the late autumn of 2009’ – the new aluminium limo isn’t expected at the Frankfurt motor show this September, so we should see it in LA later in the year. Audi claims its ‘new flagship offers an impressive palette of innovative technologies and will redefine the benchmark for luxury saloons.’  A typically bullish claim – how will Audi match its boasts?The basic tech remains the same, with an aluminium chassis – which will also underpin the next Bentley Continental – that contributes to a significant weight saving.

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.