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

Mercedes AMG GT gets new 503 bhp Twin-Turbo 4.0 litre V8 (video)

The new Mercedes AMG GT (pictured) gets the new 503 bhp Twin-Turbo 4.0 litre V8 We’ve speculated that the new Mercedes AMG GT – and, for that matter, futures ’63′ AMGs – will get a new twin-turbo V8 to provide the power as Mercedes look to move away from the naturally aspirated 6.2 litre V8 in cars like the SLS. And this is it. A new 4.0 litre twin-turbo V8 – the M178 engine – has been developed to replace the 6.2 litre V8 and, in initial tune, develops 503 bhp at 6250 rpm and 479lb/ft of torque from just 1750 rpm.

Land Rover Defender Special Edition set for U.K.

The 2012 Land Rover Defender Special Edition will join the growing list of cool cars that aren't coming stateside. At least we aren't getting our hopes up—not only did they snub the Detroit auto show, but Land Rover hasn't brought a Defender SUV here since 1997. The latest iteration of the go-everywhere off-roader will wear one of two colors, Orkney grey or nara bronze.

Jaguar XKR Goodwood Special (2009): first photos

By Tim Pollard First Official Pictures 01 July 2009 09:22 CAR was hanging out at Jaguar yesterday when we spotted this: the new XKR Goodwood Special – an XKR turned up to 11 to wow the crowds at this weekend's Festival of Speed.Editor Phil McNamara was on hand to soak up the one-off XKR, which points to a harder, faster XKR. Power rises to 523bhp from the standard XKR's 503bhp and torque swells to an earth-rippling 516lb ft.The new Jaguar XKR Goodwood Special: the lowdownWe were at the Whitley design centre on an, ahem, top-secret feature for a future issue of CAR Magazine, when design director Ian Callum and chief engineering type Mike Cross arrived unannounced in the XKR Goodwood Special. Over to you, Mike: 'The regular XKR has a torque limiter to conserve the gearbox's life,' he explained.