Bosch 15537 Air Fuel Ratio Sensor on 2040-parts.com

One lap of the Web: Syphilis, a scary monster and one huge remote-controlled car

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. -- Karl Henkel, a numbers guru, brings perspective to the government's distracted driving fear mongering by sharing Mazda 626 monstrosity from 1:3 scale RC car that can travel up to 45 mph?

Mercedes’ AMG division unveils new twin-turbo V8

Those obsessed with torque bemoaned Mercedes’ high-revving 6.2-litre V8 when it was launched in 2005, but just as the world has come to accept the naturally aspirated engine, the company has now unveiled a new twin-turbo 5.5-litre V8. Up to 563bhp – which is the same as the SLS AMG – and 663lb ft, which is much more than the 479lb ft the modern-day Gullwing supercar manages. The engine is an all-new 5.5-litre V8 (5461cc to be exact) with direct-injection technology, an aluminium crankcase and two turbochargers.

Channel 4′s 4Car to close

Car website 4Car is to close at the end of the year. Despite the British love of cars, there really aren’t a huge number of car web sites that make an impact. And certainly not car websites that aren’t linked to either classified ads or existing car magazines.