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

Where’s the end of the Rainbow? On the M25 in Surrey!

Rainbow end on the M25 in Surrey (© Janice M Thomas 2011) The end of the rainbow is the stuff of mythology; the place where leprechauns hide their pot of gold. Or so legend tells us. But the truth – as is almost always the case with myth and legend – is rather more prosaic.

One Lap of the Web: Nine cars you'll drive in hell, airbag watermelon destruction and luxury, Soviet-style

-- After carefully weighing the options, Motor Authority has arrived at a list of the nine cars you'll drive in hell. The Aztek is an easy (if misunderstood) target, and the Renault Fuego makes sense on the basis of its name alone but there are a few unexpected additions, too -- like the Tesla Model S, which won't be easy to keep running because “… Hell is a lot like the San Francisco airport--roughly five thousand people and their 25,000 battery-powered devices, all fighting for a pull off Hell's only functional power outlet.” -- Don't ask us why, but we're fascinated with old Soviet steel, from the no-nonsense heavy duty trucks the crappy Cars of the People. The supposedly luxurious, Packard-inspired Chaika M-13 limousine sits somewhere between the two, and you can read a Special Interest Auto article on the car at Hemmings.

Mercedes SLS Electric Drive takes to the track

Mercedes-Benz turned heads at the Paris motor show with the SLS AMG Coupe Electric Drive. The cool blue supercar costs $540,000, making it Mercedes-Benz’s most expensive car in the dealership. Mercedes also took the car to the Ascari race track in Spain.