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

BMW’s one-off M5 CSL (2009) – a helluva way to go

This is a one-off BMW M5 with close to 600bhp. Built to commemorate the 25th anniversary of BMW’s iconic M5 super-saloon, it’s a stripped-out lightweight special that shows what M Division could have done if it hadn’t built the X5 M and X6 M. Let’s start with the engine.

Concours d'Elegance of America selects classes for 2012 event

The Concours d'Elegance of America has announced classes for its 2012 event in Plymouth, Mich., where more than 300 cars are expected to be on display. July is several months away, but here are some highlights you can look forward to through the impending winter: -- American classics from 1928 to 1934: While the Great Depression crippled automotive sales, it also motivated designers to work even harder to attract buyers' attention. Some beautifully crafted custom coaches sprung from this period.

Alfa Romeo 8C based Disco Volante by Touring makes limited production

The Alfa Romeo Disco Volante (pictured) is going in to limited production The Alfa Romeo 8C is a beautiful – if flawed – supercar from Alfa, made even more individual by by Carrozzeria Touring Superleggera with their Alfa Disco Volante Concept in 2012. That Concept – which arrived at the Geneva Motor Show in 2012 – has now been updated for 2013 and is being put in to limited production for those with deep pockets to indulge in an Alfa even more rare than the 8C itself. The Disco Volante pays homage to the 1952 Alfa Romeo Disco Volante – based on the Alfa 1900 – and is built from aluminium and carbon fibre to keep weight in check, although under the skin remains pretty much Alfa 8C.