3956666 (stamped) 1969 -1974 Damper Crank Pulley Chevy Camaro Chevelle Nova Oem on 2040-parts.com

First Sight: Mercedes-Benz SL

The new high-tech, low weight Mercedes SL roadster receives its official global unveil next week in Detroit but Car Design News got an early peek of the final production car and had a chat with its designers at Mercedes' US advanced design studio in Carlsbad, California back in November. "We want to get back to clean, long-lasting design," director of Mercedes global advanced design and SL project leader, Steffen Kohl told CDN at the exclusive preview of the sixth-generation model. "So the new SL is long, sleek and still full of tension in the feature lines but less wedgy." In a short presentation Kohl felt all SLs became successfully iconic in their times because they followed two key rules – ‘sensuality' and ‘cleanness' – but alluded that the first rule may have been lost in more recent eras.

Where’s the end of the Rainbow? On the M25 in Surrey!

Rainbow end on the M25 in Surrey (© Janice M Thomas 2011) The end of the rainbow is the stuff of mythology; the place where leprechauns hide their pot of gold. Or so legend tells us. But the truth – as is almost always the case with myth and legend – is rather more prosaic.

Ferrari LaFerrari vs McLaren P1: the stats and specs battle

Arch rivals Ferrari and McLaren have both revealed their new hypercars at the 2013 Geneva motor show today. Both produce over 900bhp and 650lb ft, hit 62mph in under three seconds, top 217mph, and cost nearly £1m. When we drive both cars in the coming months their different characters will no doubt be revealed, but for now here's how the pair match up head-to-head...