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

Mark Adams on the Past, Present and Future of Opel Design

Back in 1938, GM showed the world's first concept car: Harley Earl's Buick Y-Job. Twenty-six years later, GM's Opel division became the first mainstream carmaker to design and build a concept in Europe. That car was the Opel Experimental GT, designed in 1964 and launched at the Frankfurt motor show in 1965.

Geneva 2014 debut for Vauxhall Astra VXR Extreme concept

Vauxhall will unveil its fastest Astra model ever at this year’s 2014 Geneva Motor Show when it pulls the covers off its Astra VXR Extreme concept car. According to the British firm, the Extreme will be even more powerful than the standard Astra VXR, boasting lightweight components that make the race track “the car’s natural environment.” On Bing: see pictures of the Vauxhall Astra VXR Find out how much a used Vauxhall Astra VXR costs on Auto Trader The first image of the vehicle shows a low, aggressive looking car featuring revised aerodynamics – including that massive rear wing – and a new dual-twin tailpipe setup. These changes over the standard VXR won’t be the most significant, however.

One Lap of the Web: The Economist talks cars, Maria Sharapova's Porsche and crazy bikers

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- Have you ever seen two motorcycles going wheel-to-wheel at 200 mph in the rain?