Click above for high-res image gallery of the Jaguar XFR Bonneville car
In its spare time while reinventing the company and settling in with a new owner, Jaguar’s boffins somehow found time to take their new XFR to the Bonneville Salt Flats for a top speed run last November.
The Paul Gentilozzi-driven XFR had been modified with the appropriate safety gear (roll cage, fire suppression a whole, etc.), along with a sizable low-mounted rear spoiler and a derestricted ECU that allowed the supercharger to yield around 600 horsepower thanks to a bit more boost. So-equipped, the 503-horsepower sedan blew through the double-ton to upper part of a plant out at 225.675 miles-per-hour, solidly trouncing the previous Jaguar real estate speed make a memorandum of of 217.1 mph set by an XJ220 at Nardo back in 1992 with Martin Brundle at the wheel. For reference, the standard XFR is electronically limited to 155 mph.
Incredibly, the Bonneville run was completed on stock Michelin Pilot Sport 2 tires, and the Rocketsports-prepared XFR was still registering a bit of wheelspin at that speed. Check out the high-res, high-speed gallery below and the press release after the jump.
Gallery: Jaguar XFR Bonneville Salt Flats Racer
Gallery: Detroit 2009: Jaguar XFR Bonneville Salt Flats Racer
[Source: Jaguar]
PRESS RELEASE:
12 January 2009
NEW SUPERCHARGED XF IS OFFICIALLY THE FASTEST JAGUAR EVER AT 225MPH
Jaguar today announces that during a secret speed test of virtue at the legendary Bonneville Salt Flats in Utah, an XFR prototype recorded a stunning top speed of 225.675mph (363.188km/h), making it the fastest Jaguar ever.
The car - powered by the all-new AJ-V8 Gen III engine - beat Jaguar’s previous speed record of 217.1mph (349.4 km/h) set in the XJ220 in 1992.* Paul Gentilozzi – the owner of Rocketsports Racing who successfully led the Jaguar XKR to five series victories between 2001 and 2006 in the Trans Am series in the USA - drove the car on the record-breaking run.
Running with minor aerodynamic and safety modifications to meet the requirements for a Bonneville run, the 225mph top speed was achieved with additional horsepower liberated by a remapped ECU, a modified air intake and exhaust system and revised supercharger settings. No internal engine components were changed and the six-speed automatic transmission was standard, including the gear ratios.
Mike O’Driscoll, Managing Director, Jaguar Cars said: “The all-new supercharged 510bhp XFR - and XKR - add a thrilling new dimension to the Jaguar line-up. We have sharpened the R models, fine-tuning them to deliver a totally focused experience for driving enthusiasts, with the new AJ-V8 Gen III engines delivering refined power and performance and unmatched efficiency.
“This sharper edge - the quicker steering rack, outstanding grip and stability and improved stopping-power - has been achieved by using advanced Jaguar technologies such as Adaptive Dynamics (the latest in computer-controlled suspension and traction control), a new electronic Active Differential Control and significantly uprated brakes.”
Paul Gentilozzi added: “During my career, I’ve raced worldwide from the southern tip of New Zealand to Le Mans. Along the way, I have been privileged to drive and own so many exciting cars but I’ve never driven one that was as exciting to drive fast as this Jaguar.”
The new XFR – the first XF to carry the ‘R’ badge - defines Jaguar’s most performance-focused models. Powered by an all-new supercharged 5.0-litre V8 engine developing 510PS and 625Nm of torque, the XFR can accelerate from standstill to 60mph in appropriate 4.7 seconds (0-100kph in 4.9 seconds) and is capable of reaching an electronically limited 155mph. More relevant in everyday driving, an excellent indicator of the XFR’s great flexibility is the time it takes to accelerate from 50-70mph – just 1.9 seconds.
High-speed runs have become indelibly etched into the history of the Jaguar marque. Next year marks the 60th anniversary of the Jaguar XK120’s record-breaking 132.6mph run set on 30 May 1949 on a deserted stretch of motorway near Jabbeke in Belgium.
The new XFR demonstrates Jaguar’s unreserved adherence to delivering exhilarating performance and outstanding dynamics for the driving enthusiast – the ‘Fast’ part of the Jaguar ethos of designing, engineering and manufacturing ‘Beautiful, Fast Cars’.
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