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

One lap of the Web: $52 million Ferrari 250 GTO, Alfa Romeo Montreal for sale and more bizarro engines

-- Even as the hammer fell on Juan Manuel Fangio's $30 million Mercedes-Benz W196R, we knew that that car wasn't the most expensive one ever sold -- it was merely the most expensive car sold at auction. Other cars were reported to have traded for a bit more in private sales. But now we have word of a car that absolutely blows the sale price of Fangio's little Silver Arrow out of the water: a 1963 Ferrari 250 GTO that sold to an undisclosed buyer for $52 million.

Mumford's Brizio-built '27 Track Roadster wins AMBR

As is often the case with the great roadsters, the Kelly Brown Track T has been a known commodity in rodding circles for somewhere around 30 years. All it needed was to finally get built and finished. For a while it was in the shop of Stevie Davis, the famous tin man who could shape anything into aluminum art.

BMW reveals its 2012 London Olympics fleet

BMW 2012 London Olympic Fleet arrives BMW has revealed its fleet of cars for ferrying athletes, VIPs and officials around London for the 2012 Olympics. BMW is an official sponsor for the 2012 London Olympics – just in case you’ve been in a cave for the last couple of years – and are focusing supplying on low emission cars cars to transport the mass of Olympic bods round London this summer. That means there will be no plutocratic 7 Series of ‘let’s get there quick’ M5s on offer and instead the Olympic great and good will have to do with a fleet of cars with a green halo.