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

British Grand Prix 2011: Button and Hamilton's video guide

Where will you be Sunday lunchtime? Anyone who's even remotely interested in Formula One will be in front of the TV getting psyched up as 12 F1 teams take to the world’s fastest circuit.  Yes, 15 weeks in and 22 of the finest F1 drivers will be lining the grid, thinking about how they will tackle Abbey, the first right-hand corner, the fastest corner on the track where the drivers experience a peak G-force of 4.8g and over 4g for 1.3 seconds! At which point the car is experiencing two and a half times its weight in downforce through the corner.

Ex Ford, Mazda designer to head styling at Renault

Former Ford Motor and Mazda designer Laurens van den Acker will succeed Patrick le Quement as head of design at French automaker Renault. Van den Acker, 43, quit as head of design at Mazda earlier this month. He will join Renault on May 15 and assume le Quement's full responsibilities starting on Nov.

Honda P-NUT Concept at LA

The Honda P-NUT at the LA Motor Show This is another of those ‘Lets see what we can make’ type concepts with probably precious little chance of being made. But the Honda ‘Personal-Neo Urban Transport’ – or Honda P-NUT – does make for an interesting micro city car concept. The P-NUT is a three-seat (which sounds great in principle, but all 3-seat cars – McLaren F1 included – are a pain for the driver to get in and out) concept with masses of angular lines and glass, designed to be offered with one of three powertrains – a petrol, petrol-electric hybrid or pure EV.