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

Mazda MX-5 Superlight at Frankfurt

Mazda has created a stripped-down MX-5 for the Frankfurt Motor Show - The Mazda MX-5 Superlight And it’s achieved its success by being faithful to its origins. It has stayed a small, light, nimble and fun little car. It hasn’t got big and bloated and been boosted by endless power upgrades or sullied by the latest high-tech.

2013 Nissan GT-R gets a tweak

Nissan has had a play with the GT-R for 2013 with suspension upgrades, sharper responses and a more comfortable ride. On the performance front, the 2013 model year Nissan GT-R gets a set of new high-output injectors which give more concise control to fuel for better mid range and high rev response, a new relief valve for the turbocharger bypass cuts the decrease of pressure to sustain response and a new oil pan baffle helps maintain oil pressure. On the handling front Nissan has revised dampers, springs and the front anti-roll bar to lower the centre of gravity, new cam bolts on the front suspension improve accuracy and the torque carrying capacity of the driveshaft to hub bearings has been increased to you can attack a track more reliably.

Driven: Renault Clio 4

Having pioneered the ‘small car, big-car features' trend with original version, Renault has sold over 12 million Clios since the model was launched in 1991. The box-fresh ‘91 Clio RT Renault displayed alongside its successors at the launch of the Clio 4 is testament to what a successful formula was struck. Will time be as kind to the new Clio 4?