Howards Cams Performance Street/strip Valve Spring 98442 on 2040-parts.com

Win VIP tickets to the 2012 Goodwood Festival of Speed

We've driven the famous Jaguar XJR-8 Le Mans race car in the new June 2012 issue of CAR Magazine – and to mark the occasion we have three pairs of VIP tickets to the Goodwood Festival of Speed to give away. Our editor-at-large Mark Walton drove the Group C-winning racer up the 1.16-mile Goodwood hill for CAR and you can watch his video blog here. And don't miss the six-page feature in the June issue.

Jaguar XFR (2009) tops 225mph at Bonneville

By Sarah-Jayne Harrison Motor Industry 13 January 2009 16:00 Jaguar's new XFR has reached 225.675mph, making it the fastest car Coventry has ever produced. Running at a secret test at the Bonneville Salt Flats, the one-off prototype, using a tweaked version of Jaguar's new supercharged 5.0-litre V8, topped even the legendary XJ220's 217mph top speed. Not a chance.

Chevrolet Volt visits the wind tunnel

By Ben Whitworth First Official Pictures 13 December 2007 10:00 Back in January the Volt was easily the surprise of this year’s Detroit motor show. Chevrolet reckoned its radical electric four-seater was such a breakthrough that it would transform the way we drive when it arrived in showrooms by the end of the decade. And it’s just announced that the production model will be significantly more efficient at scything through the air: the Volt has been sent to GM’s wind tunnel where Chevrolet’s aerodynamicists has smoothed off some of its blunt surfaces to create a shape that is 30 percent more effective at cutting cleanly through the air at speed than the original concept.