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

McLaren P1 Spied

The McLaren P1 supercar has been spotted out testing in Diss in Norfolk making a visit to a McLaren supplier. We got the public reveal of the McLaren P1 – the spiritual successor to the iconic McLaren F1 – at the Paris Motor Show in September, and the McLaren boys told us the car was 95 per cent of how the final P1 would look. Which seems to be borne out by these spy photos of the P1.

Bentley Continental GT3 Road Car? Probably not

Despite reports to the contrary, it seems highly unlikely that Bentley will produce a road going version of the Continental GT3. The Continental GT3 is just a concept at the moment - although it will become a proper track car – but it has already had Autocar gazing in to its crystal ball to suggest that Bentley will be building a GT3 for the road, with a 700bhp W12 and 4WD, and will sell it in limited numbers. But that doesn’t add up to us.

Nike's 'Making' app: helping designers choose most sustainable materials

As we're told more and more frequently about the impact of our environmental footprint on the world, it's no surprise that companies of all disciplines are examining their processes to cut emissions and waste. Now Nike has entered the fray by developing a free app giving designers a deeper insight of how green their material choices are. The sportswear giant's new free ‘Making' app allows designers to examine the sustainability of 22 different product materials such as cotton, silk and grass-fed leather.