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  Chaparral 2K Cosworth
 

  Article Image gallery (25) Chassis (2) Specifications User Comments (1)  
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Country of origin:United States
Produced from:1979 - 1981
Numbers built:3
Designed by:John Barnard
Author:Wouter Melissen
Last updated:April 25, 2012
Download: All images

Engine
Configuration Ford Cosworth DFX 90º V8
Location Mid, longitudinally mounted
Weight 150 kilo / 330.7 lbs
Construction aluminium alloy block and head
Displacement 2,643 cc / 161.3 cu in
Bore / Stroke 89.0 mm (3.5 in) / 53.1 mm (2.1 in)
Compression 11.0:1
Valvetrain 4 valves / cylinder, DOHC
Fuel feed Hilborn Fuel Injection
Aspiration IHI Turbo
Power 780 bhp / 582 KW @ 11,000 rpm
Torque 475 Nm / 350 ft lbs @ 9,500 rpm
BHP/Liter 295 bhp / liter

Drivetrain
Body fibreglass panels
Chassis aluminium monocoque
Front suspension lower wishbones, top rockers, in-board coil springs over dampers, anti-roll bar
Rear suspension double wishbones, coil springs over dampers, anti-roll bar
Steering rack-and-pinion
Brakes ventilated discs, all-round
Gearbox Weismann 4 speed Manual
Drive Rear wheel drive

Dimensions
Weight 703 kilo / 1,550 lbs
Length / Width / Height 4,572 mm (180 in) / 2,032 mm (80 in) / 965 mm (38 in)
Wheelbase / Track (fr/r) 2,692 mm (106 in) / 1,702 mm (67 in) / 1,600 mm (63 in)

Performance figures
Power to weight 1.11 bhp / kg

Race history
Major wins
1980 Indy 500 (Johnny Rutherford in 2K-02)

Resources
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  Article Image gallery (25) Chassis (2) Specifications User Comments (1)