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  Jaguar XJR-12      

  Article Image gallery (133) Chassis (5) Specifications User Comments (1)  
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Country of origin:Great Britain
Produced in:1990
Designed by:Tony Southgate for TWR
Predecessor:Jaguar XJR-9 LM
Successor:Jaguar XJR-14
Author:Wouter Melissen
Last updated:June 27, 2012
Download: All images

Engine
Configuration 60º V12
Location Mid, longitudinally mounted
Weight 240 kilo / 529.1 lbs
Construction aluminium block and head
Displacement 6,995 cc / 426.9 cu in
Bore / Stroke 94.0 mm (3.7 in) / 84.0 mm (3.3 in)
Compression 12.0:1
Valvetrain 2 valves / cylinder, SOHC
Fuel feed Bosch / Zytek Fuel Injection
Lubrication Dry sump
Aspiration Naturally Aspirated
Power 730 bhp / 545 kW @ 7,000 rpm
Torque 785 Nm / 579 ft lbs @ 5,500 rpm
BHP/Liter 104 bhp / liter

Drivetrain
Body carbon-fibre composite panels
Chassis carbon fibre monocoque
Front suspension double wishbones, push-rod actuated coil springs and dampers
Rear suspension double wishbones, coil springs over dampers
Steering rack-and-pinion, power assisted
Brakes ventilated carbon discs, all-round
Gearbox March / TWR 5 speed Manual
Drive Rear wheel drive

Dimensions
Weight 900 kilo / 1,984 lbs
Length / Width / Height 4,800 mm (189 in) / 2,000 mm (78.7 in) / 1,010 mm (39.8 in)
Wheelbase / Track (fr/r) 2,780 mm (109.4 in) / 1,550 mm (61 in) / 1,500 mm (59.1 in)

Performance figures
Power to weight 0.81 bhp / kg
Top Speed 368 km/h (229 mph)

Race history
Major wins
1990 Daytona 24 Hours (Davy Jones / Jan Lammers / Andy Wallace in J12-C-388)
1990 24 Hours of Le Mans (Martin Brundle / John Nielsen / Price Cobb in J12-C-1090)

Auctions
Past sales

Resources
Suggested reading
  • TWR Jaguar Prototype Racers, by Leslie F Thurnston
  • Golden Era - The history of Group C & IMSA GTP, by Ian Briggs and John Starkey
Related articles
Useful links

  Article Image gallery (133) Chassis (5) Specifications User Comments (1)