1996 Polaris Xcr 600 Sp Cdi Box on 2040-parts.com

Callaway's Supercharged Corvette Stingray packs 610-hp

Callaway has debuted their supercharged version of the Chevrolet Corvette dubbed SC610, which should provide an intriguing alternative to the the 2015 Corvette Z06. SC of course stands for supercharged, with 610 being the horsepower figure. That's right, Callaway has squeezed out an extra 155-hp and 96 lb-ft of torque out of the naturally aspirated 6.2-liter V8 powering the C7 Corvette, for a total of 610-hp and 55 lb-ft of torque.

Vuhl 05 is a Mexican Ariel Atom – costs from £66,000

The Vuhl 05 (pictured), track-focused road car, has been revealed The Vuhl 05 – which has been teased recently – was unveiled this afternoon in London as Mexico’s answer to the Ariel Atom. The Vuhl 05 uses a bonded monocoque with honeycomb panels and aluminium covered on plastic panels to keep weight down to just 695kg. That means that even though the Vuhl 05 has only 285bhp available from its mid-mounted 2.0 litre turbo Ford EcoBoost engine, it can still get to 62mph in 3.7 seconds thanks to a power to weight ratio of 400bhp per tonne.

Win a VIP trip to Goodwood 2010 with Jaguar

CAR Magazine has teamed up with Jaguar to offer one lucky reader a prize money can't buy. The winner will receive two tickets to the Goodwood Festival of Speed on Friday 2 July 20010 – and the competition closes on Wednesday 19 May. The prize includes:• A Jaguar XFR for the weekend• Entry for two to the 2010 Festival of Speed• A chance to meet CAR staffers at Goodwood• Thrilling run up the Goodwood hill with ace Jag test driver Mike Cross A CAR staffer or two will join you on the day and you'll be able to blog on your experience on CAR Online.