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

Porsche Battery – a mere £1200

The rather expensive Porsche Lithium Ion Battery Car batteries have been roughly the same shape and size – and utilised basically the same lead-acid technology – for years. They’ve got better, as you no longer need to top them up with distilled water at regular intervals (I’m showing my age now), and they are less prone to going flat. But that probably has more to do with alternators replacing dynamos than the batteries themselves.

Hennessey Performance upgrades the Ford Mustang Boss 302

The tuner guys at Hennessey Performance took the Ford Mustang Boss 302 behind their curtain, plopped a supercharger on top--among other things--and headed to the drag strip. The outcome? Hennessey says 11.9 seconds at 124 mph for the quarter-mile--and that's with a 0-to-60-mph time at a Porsche-like 3.9 seconds.

New scheme lets drivers rent their cars out

Car owners can now make money by renting their vehicles when they’re not being used, using a new car rental scheme. The ‘easyCar Club’ venture lets drivers advertise their cars and matches them with people looking to rent a car for a short period. On Bing: see pictures of unusual hire cars Hertz offers supercar hire Although the service is now available nationwide, it was initially trialled in London – meaning many of the cars advertised are concentrated on the London area.