Genuine Gm Front Passenger Side Disc Brake Caliper Bracket 88965672 on 2040-parts.com

One Lap of the Web: Cool classic concepts, Rat Pack Cadillacs and even more Vin Diesel

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. -- Petrolicious brings us an awesome VWvortex forum thread packed with prototype photos, design proposals and concept sketches of everything from the Iso Grifo to the 1994 Mustang.

Nissan’s black cab: what will London’s new taxi be like to ride in?

Nissan Around 300,000 people use black cabs in London every day, and by the end of 2014, they’ll be faced with a new alternative in the form of Nissan’s NV200 London Taxi, unveiled today. See Nissan's new London taxi The Japanese manufacturer has done its best to make the NV200 echo the carbon-dateable TX4 (which owes much of its styling to the 1958 Austin FX4), but let’s be honest – the new Nissan looks like a van. No coincidence there – it is based on the NV200 commercial vehicle.

Porsche 918 Spyder (2010) at Geneva motor show

Porsche has shown off this stunning new 918 Spyder concept car on the eve of the 2010 Geneva motor show. It’s a mid-engined two-seater in the mould of the Porsche Carrera GT – a landmark supercar to showcase Porsche’s technical nous. Michael Macht, president and chief executive officer of Porsche, unveiled the 918 Spyder in Switzerland, and intriguingly proclaimed that Porsche has never shown a concept car that it hasn’t put into production… Porsche’s official press release was light on the details, but after the unveil Porsche’s R&D chief Wolfgang Durheimer talked CAR around the 918 Spyder and revealed some eye-popping figures for this part-electric hybrid supercar which weighs in at 'less than 1490kg'.