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

Porsche shows off 911 RSR for World Endurance Championship

Porsche is celebrating the 50th anniversary of the 911 this year with several events including the Retro Classics show in Stuttgart, Germany, an exhibit at the Porsche Museum and honored marque status at the Pebble Beach Concours d'Elegance. Porsche also went racing with the new 911 RSR in the first event of the World Endurance Championship this weekend, and has posted a clip on its YouTube channel. The 991-based Porsche 911 RSR houses a 4.0-liter flat-six making 460 hp with a new six-speed sequential transmission with paddle shifters.

GM recalls nearly 15,000 Buick LaCrosse, Chevrolet Impala sedans

General Motors is recalling about 15,000 vehicles to fix two problems--reprogramming the electronic stability control in some 2012 Buick LaCrosse cars and rerouting the power-steering hose on the 2012 Chevrolet Impala. The automaker is recalling 10,344 Impalas to reroute the upper power-steering house that could fail because of heat from the catalytic converter. As a result, the hose sprays fluid over the catalytic converter, causing smoke and potential fire.

Audi S3 (2006): first official pictures

By Phil McNamara First Official Pictures 01 August 2006 06:23 The lowdown Here's the new benchmark for hot hatch acceleration: the 261bhp Audi S3 quattro. Up there with the most powerful hot hatches – the 261bhp BMW 130i and Volkswagen's 250bhp Golf R32 – the S3 is due in the UK in January 2007. Audi claims it despatches the 0-62mph sprint in an impressive 5.7sec.