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| General Information |
| Make |
Opel |
| Model |
Diplomat |
| Production Year |
1968 |
| Country |
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| Designer |
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| Production Number |
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| Model Code |
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| Model Family |
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| Chassis and Dimensions |
| Chassis Type |
4/5S SAL |
| Number of Doors |
4 |
| Wheelbase |
2845 mm (112 in) |
| Front Track |
1511 mm (59,5 in) |
| Rear Track |
1511 mm (59,5 in) |
| Length |
4921 mm (193,7 in) |
| Width |
1854 mm (73 in) |
| Height |
1441 mm (56,7 in) |
| Ground Clearance |
150 mm (5,9 in) |
| Length / Wheelbase Ratio |
1,73 |
| Weight |
1690 kg (3722,5 lb) |
| Weight Distribution (front/rear) |
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| Fuel Capacity |
80 litre (17,6 Imp gal , 21,1 US gal) |
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| Aerodynamics |
| Drag Coefficient |
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| Frontal Area |
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| Cx |
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| Engine Specifications |
| Engine Manufacturer |
GM |
| Engine Location |
Front |
| Engine Alignment |
Longitudinal |
| Engine Construction |
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| Coolant Type |
Water |
| Engine Type |
OHV |
| Number of Cylinders and Placement |
V-8 |
| Valves per Cylinder |
2 (Total of 16 Pieces) |
| Engine Displacement |
5354 cc (326,72 cu in) |
| Bore |
101,6 mm (4 in) |
| Stroke |
82,6 mm (3,25 in) |
| Bore / Stroke Ratio |
1,23 |
| Unitary Capacity |
669,25 cc/cylinder (40,84 cu in/cylinder) |
| Number of Main Bearings |
5 |
| Compression Ratio |
10,5 : 1 |
| Fuel System Type |
1 Ro carb |
| Aspiration Type |
Normal |
| Compressor Type |
- |
| Intercooler Type |
None |
| Catalytic Converter |
No |
| Maximum Engine Power |
227 HP (169,3 kW) |
| Maximum Engine Power rpm |
4700 d/d |
| Maximum Engine Torque |
427 N.m (315,1 lb.ft , 43,6 kg.m) |
| Maximum Engine Torque rpm |
3000 d/d |
| Engine Torque at Max. Engine Power rpm |
343,9 N.m (4700 d/d) |
| Power / Weight Ratio |
134,3 HP/ton (100,2 W/kg) |
| Power / Engine Displacement Ratio |
42,4 HP/litre (31,6 kW/litre) |
| CO2 Emissions |
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| Fuel Consumption |
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| Performance |
| 0 - 80 km/h |
7 s |
| 0 - 60 mph |
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| 0 - 100 km/h |
10 s |
| 0 - 160 km/h |
26,6 s |
| 80 - 120 km/h (in top gear) |
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| 0 - 400 m Acceleration |
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| 0 - 1000 m Acceleration |
31 s |
| Top Speed |
202 km/h (125,5 mph) |
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| Gearbox and Transmission |
| Transmission Type |
3A |
| Top Gear Ratio |
1 : 1 |
| Final Drive Ratio |
2,73 : 1 |
| Drive Wheels |
RWD (Rear Wheel Drive) |
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| Handling, Suspension Geometry and Brakes |
| Steering Type |
recirculating ball |
| Steering Turns (lock to lock) |
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| Turning Circle Diameter |
10,8 m (35,4 ft) |
| Suspension (front) |
I.CS. |
| Suspension (rear) |
I.CS. |
| Brakes (front/rear) |
Di/Di-S |
| Brake Disc Diameter (front) |
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| Brake Disc Diameter (rear) |
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| Wheels (front) |
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| Wheels (rear) |
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| Tyres (front) |
195 x 14 |
| Tyres (rear) |
195 x 14 |
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