SHELBY COBRA 427 SPECIFICATION (PRODUCTION LIFE 1962-1965)
Shelby cobra 427 specificationShelby cobra 286 specificationAC Cobra Mark IV specification
Body type | Two-seater roadster; all-aluminum |
Chassis | Large-diameter twin-tube ladder frame with tubular suspension mountings and tubular superstructure |
Engine type | Ford V8 |
Capacity | '427' is actually 426cu in (6,984cc) '428' is actually 427 cu in(6,991cc) (both engine types used in Cobra 427) |
Bore | '427', 4.24in (107.7mm); '428', 4.l3in (104.9mm) |
Stroke | '427', 3.78in (96.0mm); '428', 3.98in (101.1mm) |
Compression ratio | '427', 10.4:1; '428', 10.5:1 |
Cylinders | Cast-iron block, five main bearings, single central camshaft |
Cylinder heads | Cast-iron, two valves per cylinder, operated by pushrods |
Fuel: system | Single four-barrel Holley carburetor (four twin choke down draught Weber carburetors optional) |
Maximum power | '427' 425 bhp @ 6,500rpm; '428' 390 bhp @ 5,200rpm |
Maximum torque | '427' 480 lb ft @ 3,500rpm; '428' 475 lb ft @ 3,7OOrpm | Bhp per litre. | '427' 60.8 (1.0 bhp per cu in); '428' 55.8 (0.91 bhp per cubic inch) | Gearbox type | Ford 'top-loader' four-speed manual, all synchromesh |
Final drive ratio | 3:31 (numerous options available) |
Clutch | Single dry-plate, hydraulic operation | Front suspension | Independent, by unequal-length upper and lower wishbones, with coil springs and telescopic dampers | Rear suspension | Independent, by unequal-length upper and lower wishbones, with additional lower trailing links, coil springs and telescopic dampers |
Brakes | Solid discs front and rear |
Steering | Rack and pinion (worm and sector up to chassis no CSX2125) | Wheels & tyres | 7.5J X 15in centre-lock, pin.drive, cast-magnesium Halibrand wheels (later up to 9.5J X 15 at rear); 8.5 X 15in tyres (later up to 11.4 X 15in at rear) |
Overall length | 156.0in (3,962mm) |
Overall width | 68.0in (1,727mm) |
Overall height | 49.0in (1,244mm) |
Wheelbase | 90.0in (2,286mm) |
Track | Front: 56.0in (1,422mm) Rear: 56.0in (1,422mm |
Ground clearance | 4.5in (114mm) |
Fuel tank capacity | 15.0 gallons (18.0 US gallons) (68 litres) |
Unladen weight | 2,350lb (1,066kg) |
Power-to-weight ratio | 405.l bhp per ton |
Performance | Maximum speed 165mph (265kph) 0-60mph (0-96.5kph) 4.2 seconds 0-100mph (0-161kph) 10.3 seconds Standing -mile 12-4 seconds Fuel consumption 10.0mpg |