The fastest road-going Jaguar ever

The fastest road-going Jaguar ever
Photos by -Autonet.ca
Staff
Published: 30 04 2004
CHICAGO - The most powerful road-going Jaguar convertible ever - the 550 horsepower XK-RS concept car - was unleashed at the 2004 Chicago Auto Show .

"We think the XKR makes a great foundation for high-performance tuning. The XK-RS concept is just one dramatic interpretation of the many directions in which the car can be taken," said Rocketsports Racing owner, Paul Gentilozzi.

Engineers at Rocketsports' Lansing, Michigan workshop took the Jaguar AJ-V8 Trans-Am race engine and increased its displacement by stroking it out from 4.5 litres to 5.0 litres.

The engineers reinstalled an Eaton supercharger to deliver an estimated 550 bhp and 500 lb. ft. of torque, giving the car the power to accelerate from standstill to 60 mph in under four seconds, and take it to a top speed of 200 mph.

To make the car more involving for the sports car enthusiast, the standard six-speed ZF automatic transmission was replaced with a five-speed manual transaxle.

Special underbody air tunnels running the length of the car were created, along with deeper front and rear spoilers, wider wheel arches and aero-style sill sections similar to those featured on the specially-developed XKR that starred in last year's James Bond adventure, 'Die Another Day'.

The production XKR's suspension was also modified to ensure supercar handling. The changes include the addition of coil-over high-performance Penske shocks. To give the concept the kind of stopping power that matches its anticipated grip, R-Performance Brembo calipers with drilled rotors (13-inch front/12-inch rear) were added.

The XK-RS comes fitted with three-piece wheels - center-lock 'Machiavelli Gotti' - 20-inch x 10-inch at the front, 20-inch x 11-inch at the rear - shod with high-performance Michelin Pilot tires.

Inside, the XK-RS features body-hugging Johnson Controls "Leap" seats clad in black leather with medium grey inserts.

The XK-RS is Rocketsports' second Jaguar project car. In 2002, Rocketsports created the 'Racing Concept' version of Jaguar's all-wheel drive X-TYPE. The dramatic-looking concept race car was developed to test the potential of Jaguar's X-TYPE as a project car for the enthusiast market.

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