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  McLaren M7A Cosworth

  Article M7A/2 Specifications  
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Country of origin:Great Britain
Produced in:1968
Numbers built:3
Designed by:Robin Herd and Gordon Coppuck for McLaren
Author:Wouter Melissen
Last updated:January 03, 2013
Download: All images

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 430 bhp / 321 KW @ 10,000 rpm
BHP/Liter 144 bhp / liter

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

Weight 566 kilo / 1,248 lbs

Performance figures
Power to weight 0.76 bhp / kg

Race history
Major wins
1968 Belgian Grand Prix (Bruce McLaren in M7A/3)
1968 Italian Grand Prix (Denny Hulme in M7A/2)
1968 Canadian Grand Prix (Denny Hulme in M7A/2)
1969 Mexican Grand Prix (Denny Hulme in M7A/2)

Suggested reading
  • McLaren, the Grand Prix, Can-Am and Indy Cars, by Doug Nye
  • McLaren - The cars 1964 - 2008, by William Taylor
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  Article M7A/2 Specifications