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  March 721G Cosworth      

  Article Image gallery (17) 721G/1 Specifications  
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Country of origin:Great Britain
Produced in:1972
Numbers built:5
Designed by:Robin Herd for March
Successor:March 731 Cosworth
Author:Wouter Melissen
Last updated:February 24, 2014
Download: All images

Configuration Infiniti V6
Location Mid, longitudinally mounted
Construction aluminium block and head
Displacement 3,799 cc / 231.8 cu in
Bore / Stroke 95.5 mm (3.8 in) / 88.4 mm (3.5 in)
Compression 9.0:1
Valvetrain 4 valves / cylinder, DOHC, Variable valve timing
Fuel feed Fuel Injection
Aspiration Twin Turbo
Power 560 bhp / 418 kW
Torque 600 Nm / 443 ft lbs
BHP/Liter 147 bhp / liter

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

Weight 570 kilo / 1,257 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 0.98 bhp / kg

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  Article Image gallery (17) 721G/1 Specifications