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

2015 Ford Mustang Mach 1 rendered

File this one under "harmless speculation we're hoping Ford execs are paying attention to": Top Speed has rendered the 2015 Mustang Mach 1, giving an idea of what to expect if/when the Blue Oval trots out a hotter version of the newest pony car. The heat extractors on the hood get beefed up, and there's no missing the gigantic, adjustable front splitter. The lip spoiler on the trunk would be subtle if not for the contrasting black paint.

Mercedes SLS AMG Gullwing – too tight for comfort?

Is the cabin in the new Mercedes SLS too tight for comfort? We weren’t hugely enamoured by the styling in the early camouflaged shots, but we came round enough when we saw the car in the flesh and accept it as more an homage to the 300SL than a pastiche. And despite some concerns that it won’t stack up against the SLR on the road, the news that Mercedes are working on an SLS AMG Black Series should address that concern – at a price.

Fire risk Porsche in global recall

SPORTS car maker Porsche is asking more than 100 UK owners of the latest 911 GT3 models to stop driving them while tests go on following cases of vehicles catching fire. The advice, to 101 UK owners who have paid around £100,000 for their vehicles, has gone out to a total of 785 owners worldwide of the GT3s from the 2014 model year. Porsche said there had been two cases in Europe of cars catching fire.