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  Parnelli VPJ4 Cosworth      

  Article Image gallery (29) 001 Specifications  
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Country of origin:United States
Produced from:1974 - 1975
Numbers built:3
Designed by:Maurice Phillippe for Vel's Parnelli Jones Racing
Author:Wouter Melissen
Last updated:July 21, 2014
Download: All images

Engine
Configuration Ford Cosworth DFV 90º V8
Location Mid, longitudinally mounted
Weight 168 kilo / 370.4 lbs
Construction aluminium block and head
Displacement 2,993 cc / 182.6 cu in
Bore / Stroke 85.7 mm (3.4 in) / 64.8 mm (2.6 in)
Compression 11.0:1
Valvetrain 4 valves / cylinder, DOHC
Camshaft Gear driven
Fuel feed Lucas Fuel Injection
Lubrication Dry sump
Aspiration Naturally Aspirated
Power 485 bhp / 362 kW @ 10,600 rpm
Torque 363 Nm / 268 ft lbs @ 7,000 rpm
BHP/Liter 162 bhp / liter

Drivetrain
Chassis aluminium monocoque with fully stressed engine
Front suspension double wishbones, coil springs over dampers, anti-roll bar
Rear suspension upper and lower links, twin trailing arms, anti-roll bar
Steering rack-and-pinion
Brakes ventilated discs, all-round, rear in-board
Gearbox Hewland FG 400 5 speed Manual
Drive Rear wheel drive

Dimensions
Weight 580 kilo / 1,279 lbs
Wheelbase / Track (fr/r) 2,540 mm (100 in) / 1,499 mm (59 in) / 1,562 mm (61.5 in)
Tyres (fr/r) 9.2/20 x 13 / 16.2/26 x 13

Performance figures
Power to weight 0.84 bhp / kg
Top Speed 280 km/h (174 mph)

Race history
Drivers of note Mario Andretti

Resources
Related articles
Useful links

  Article Image gallery (29) 001 Specifications