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

One lap of the Web: Lost childhood cars, the Jeep Wagoneer at 50 and Airstream's rental service goes live

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- Hooniverse poses a poignant question: What family car do you wish your parents had held on to?

Concept Car of the Week: BMW Turbo (1972)

Built by Michelotti in Turin and unveiled at the 1972 Paris motor show, the BMW Turbo was built both as a symbol of the carmaker's strength after its troubles in the ‘60s and as a celebration of that summer's Olympic Games in Munich. This two-door coupe, based on a modified 2002 chassis with a mid-mounted engine, was born when BMW's design director Paul Bracq convinced the board to let him design a concept that would be part design exercise, part technology testbed. Safety had become an increasingly important consideration following a number of design summits in the early ‘70s, and Bracq used the Turbo to test out a number of safety solutions.

Red Bull 1-2 at Silverstone

Red Bull's Sebastian Vettel drove to victory in the British Grand Prix at Silverstone Red Bull brought a newly upgraded car to Silverstone, and boy, did it show. They dominated the weekend and achieved a 1-2 finish, with Vettel cruising from start to finish in an astonishing display. Webber got stuck behind Barrichello in the Brawn off the line, allowing Vettel to storm away.