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  March 811 Cosworth      

  Article Image gallery (35) Chassis (2) Specifications  
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Country of origin:Great Britain
Produced in:1981
Numbers built:7
Designed by:Robin Herd / Gordon Cuppock / Adrian Reynard
Successor:March 821 Cosworth
Author:Wouter Melissen
Last updated:May 10, 2021
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 11.5:1
Valvetrain 4 valves / cylinder, DOHC
Fuel feed Lucas Fuel Injection
Lubrication Dry sump
Aspiration Naturally Aspirated
Power 485 bhp / 362 kW @ 10,750 rpm
Torque 353 Nm / 260 ft lbs @ 9,000 rpm
BHP/Liter 162 bhp / liter

Drivetrain
Chassis aluminium honeycomb monocoque with fully stressed engine
Suspension (fr/r) double wishbones, rocker actuated coil springs and dampers, anti-roll bar
Steering rack-and-pinion
Brakes (fr/r) ventilated discs
Gearbox Hewland FGA 400 5 speed Manual
Drive Rear wheel drive

Dimensions
Weight 595 kilo / 1,312 lbs
Wheelbase / Track (fr/r) 2,692 mm (106 in) / 1,727 mm (68 in) / 1,575 mm (62 in)
Tyres (fr/r) Avon 10.0/23.0 - 13 / 14.5/26.0 - 13

Performance figures
Power to weight 0.82 bhp / kg

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  Article Image gallery (35) Chassis (2) Specifications