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

Chevrolet Camaro Convertible Concept: first official pictures

By Tim Pollard First Official Pictures 05 January 2007 12:10 Chevrolet Camaro Convertible: the lowdown GM will slide the covers off this Chevy Camaro Convertible at the Detroit Motor Show at the weekend - and this is one concept that'll definitely go into production. Last year's Camaro coupe has already been given the nod for sales in two years' time, and this soft-top will join the stable later in 2009. The size is identical to the coupe, but the - bright chromed - windscreen mounting is slightly different to accommodate the hood.

New Mercedes A45 AMG has 105 years of 4WD on its side

With the new Mercedes A45 AMG on the horizon – complete with 4WD – Mercedes chart the history of all wheel drive on their vehicles. We tend to think of 4WD road cars as a modern innovation, and certainly very few 4WD road cars hit the road in a mainstream way much before the 1980s (the Jensen FF was hardly mainstream before someone points out that was in the 1960s). But the history of 4WD goes back, certainly in the case of Mercedes, a surprising 105 years when Daimler built the Dernburg-Wagen, a 4WD vehicle that not only got all-wheel drive but all wheel steering too.

BMW reveals Concept M4 coupe at Pebble Beach

BMW's M division has previewed its upcoming M4 coupe with the unveiling of a near-production-ready concept of the new performance coupe at the annual Pebble Beach Concours in Monterey, Calif. The BMW Concept M4 provides a lightly veiled look at the eagerly anticipated M3 coupe replacement that is expected to make its public premiere in production guise at the Detroit auto show in January. North American sales will start before the second half of 2014.