Gm Oem-ignition Knock (detonation) Sensor 12618603 on 2040-parts.com

Mercedes S63 gets new 5.5 litre V8

The Mercedes S63 AMG is the firts to get the new AMG 5.5 litre V8 Bi-Turbo Mercedes’ top end AMG engine has changed over the last few years. It’s gone from a 5.5 litre supercharged lump to the now ubiquitous 6.2 litre normally aspirated engine, which anomalously gets badged ’63′ throughout the cars that sit at the top of each of Mercedes big-engined ranges. But now we go back to the future with the return of a 5.5 litre V8 – admittedly a completely new engine (M571) – which this time round sports a pair of turbochargers and delivers 554 hp and 590lbs/ft of torque.

Ken Block's Ford Fiesta rally car pics and video

A few weeks back we announced that Ken Block, famed for his excellent Youtube Gymkhana videos, was switching his Subaru WRX STi for a Ford Focus RS in the World Rally Championships. Today we show you the smaller 2.0-litre turbo engine Ford Fiesta rally car he'll be trialling in the American rallies. Here are the latest pics of the Monster-sponsored Fiesta, a short video clip and the upcoming dates for the WRC.

2012 Porsche 911 – Details

The 2012 Porsche 911 - grows in size It’s always the same when a new Porsche 911 comes along; it’s ‘spot-the-change’ time as Porsche reveals another evolution in the long history of its most iconic marque. So with a new 911 due in 2012 it’s perfectly reasonable to expect some nips and tucks to the body and a fettling of the oily bits to drag a bit more performance a bit more economically. Nothing too dramatic; just another chapter in the 911′s evolution.