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  March 731 Cosworth      

  Article Image gallery (13) 731-1 Specifications  
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Country of origin:Great Britain
Produced in:1973
Numbers built:4
Designed by:Robin Herd for March
Predecessor:March 721G Cosworth
Author:Wouter Melissen
Last updated:February 24, 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 465 bhp / 347 kW @ 10,500 rpm
BHP/Liter 155 bhp / liter

Drivetrain
Body fibreglass panels
Chassis aluminium monocoque
Front suspension double wishbones, coil springs over dampers, anti-roll bar
Rear suspension twin lower links, single upper links, trailing arms, coil springs over dampers, anti-roll bar
Steering rack-and-pinion
Brakes ventilated discs, all-round
Gearbox Hewland FG 400 5 speed Manual
Drive Rear wheel drive

Dimensions
Weight 576 kilo / 1,270 lbs
Wheelbase / Track (fr/r) 2,438 mm (96 in) / 1,448 mm (57 in) / 1,448 mm (57 in)

Performance figures
Power to weight 0.81 bhp / kg

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  Article Image gallery (13) 731-1 Specifications