The Opel Manta SR 1.9 is a rear wheel drive car, with the engine located in the front, and a 2 door coupé body.
The power is produced by a naturally aspirated engine of 1.9 litre capacity. This powerplant features single overhead camshaft valve gear, 4 cylinder layout, and 2 valves per cylinder. It has an output of 89 bhp (90 PS/66 kW) of power at 5100 rpm, and maximum torque of 146 N·m (108 lb·ft/14.9 kgm) at 2500-3100 rpm.
The engine delivers its power through to the wheels by means of a 4 speed manual 'box.
Stated kerb weight is 970 kg.
Full specs
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| bodywork | |||
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| Body type | 2+2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2430 mm | 95.7 inches | |
| Track/tread (front) | 1331 mm | 52.4 inches | |
| Track/tread (rear) | 1320 mm | 52 inches | |
| Length | 4343 mm | 171 inches | |
| Width | 1632 mm | 64.3 inches | |
| Height | 1345 mm | 53 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.79 | ||
| Kerb weight | 970 kg | 2138 lb | |
| Weight distribution | |||
| fuel tank capacity | 45 litres | 9.9 [11.9] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Opel | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 1.9 litre 1897 cc (115.762 cu in) |
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| Bore × Stroke | 93 × 69.8 mm
3.66 × 2.75 in |
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| Bore/stroke ratio | 1.33 | ||
| Valve gear | single overhead camshaft (SOHC)
2 valves per cylinder 8 valves in total |
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| maximum power output (DIN) |
90 PS (89 bhp) (66 kW) at 5100 rpm |
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| maximum torque (DIN) |
146 Nm (108 ft·lb) (14.9 kgm) at 2500-3100 rpm |
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| Specific output (DIN) |
35 kW/litre 47.6 ps/litre 46.9 bhp/litre 0.77 bhp/cu in |
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| Specific torque (DIN) |
76.96 Nm/litre
0.93 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9:1 | ||
| Fuel system | 1 Solex 32 DIDTA-4 carburettor | ||
| bmep (brake mean effective pressure) | 967.2 kPa (140.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 474.25 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | |||
| Power-to-weight ratio | Higher is better 93.03 PS/tonne (1000 kg) 0.09 PS/kg 68.42 kW/tonne (1000 kg) 0.07 kW/kg 91.75 bhp/tonne (1000 kg) 0.09 bhp/kg 0.04 bhp/lb |
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| Weight-to-power ratio | Lower is better 14.62 kg/kW 24.41 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | rack & pinion | ||
| turns lock-to-lock | 3.000 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 5½ x 13 | ||
| Wheel size rear | 5½ x 13 | ||
| Tyres front | 185/70 SR 13 | ||
| Tyres rear | 185/70 SR 13 | ||
| Brakes F/R | Di/Dr-S | ||
| Front brake diameter | 238 mm | ||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.89 | ||
| general | |||
| Carfolio.com ID | 324676 | ||
| Production total | |||
| Model code | |||
| RAC rating | 21.4 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1972 Opel Manta SR 1.9 added 2013-03-25. Last modified 2020-02-02. |
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