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

2015 Porsche 911 Carrera GTS revealed – but not in Paris. Costs from £91,098

The new 2015 Porsche 911 Carrera 4 GTS (pictured) now on sale We had assumed that the lack of an appearance at the Paris Motor Show for the new Porsche 911 Carrera GTS meant Porsche had decided to leave the official reveal until later in the year. But here it is, and it’s going straight on sale. Having waited almost until the end of the 997’s life before launching a 911 GTS, this latest GTS is arriving much earlier in the 991’s lifecycle than you’d expect.

A classic covey gathers at The Quail for Monterey weekend

For seven years now every August, the fairway in front of the Quail Lodge has been transformed into a racing paddock. Great sports, race and super cars of all eras sprawl out on the grass like a tremendous, wheeled museum of speed. This year, in addition to the usual categories of "pre-war sports and racing," "post-war sports," etc., there were classes for BMW M1s, a celebration of 50 years of racing at Daytona and even a class of eight Devins.

MTM de-quattros and supercharges the Audi R8

Audi tuning specialist MTM has revealed its latest go-fast package for the R8 supercar. Having already supercharged the car's 4.2-liter V8, MTM has now converted the AWD sports car to RWD for the new R8 GT3-2 package (the 2 stands for the number of powered wheels). With 560 hp and 428 lb-ft of torque on tap from the supercharged V8, the R8 GT3-2 is capable of hitting 62 mph in 3.9 seconds and has a top speed of 197 mph.