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

Mercedes’ AMG division unveils new twin-turbo V8

Those obsessed with torque bemoaned Mercedes’ high-revving 6.2-litre V8 when it was launched in 2005, but just as the world has come to accept the naturally aspirated engine, the company has now unveiled a new twin-turbo 5.5-litre V8. Up to 563bhp – which is the same as the SLS AMG – and 663lb ft, which is much more than the 479lb ft the modern-day Gullwing supercar manages. The engine is an all-new 5.5-litre V8 (5461cc to be exact) with direct-injection technology, an aluminium crankcase and two turbochargers.

Porsche 911 GT3 RSR (2008): first official pictures

By Tim Pollard First Official Pictures 13 February 2008 11:42 Porsche today unveils a new, more powerful version of its 911 racer. The GT3 RSR competes in GT2 long-distance races, including Le Mans, Spa and the 24-hour Nurburgring event and will benefit from new aero aids and engineering tweaks. Additional front ‘flicks’ spoilers are added to the front apron and extra air ducts pepper the steel bodywork, while the huge rear wing is carried over from last year’s racer.

Flashback: 1994-96 Chevrolet Impala SS rocked rear-wheel, V8 power

Enthusiasts are already licking their chops as they await the next rear-wheel sedan from Chevrolet. After all, it's been 16 years since the bow-tie brand had a macho four-door of this potential with the power channeled to the back. But what exactly was the 1996 Impala SS?