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| General Information |
| Make |
Pontiac |
| Model |
Sunbird Sport Coupe |
| Production Year |
1979 |
| 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 |
2+2 FHC |
| Number of Doors |
2 |
| Wheelbase |
2460 mm (96,9 in) |
| Front Track |
1405 mm (55,3 in) |
| Rear Track |
1374 mm (54,1 in) |
| Length |
4550 mm (179,1 in) |
| Width |
1660 mm (65,4 in) |
| Height |
1260 mm (49,6 in) |
| Ground Clearance |
124 mm (4,9 in) |
| Length / Wheelbase Ratio |
1,85 |
| Weight |
1181 kg (2601,3 lb) |
| Weight Distribution (front/rear) |
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| Fuel Capacity |
70 litre (15,4 Imp gal , 18,5 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 |
S-4 |
| Valves per Cylinder |
2 (Total of 8 Pieces) |
| Engine Displacement |
2471 cc (150,79 cu in) |
| Bore |
101,6 mm (4 in) |
| Stroke |
76,2 mm (3 in) |
| Bore / Stroke Ratio |
1,33 |
| Unitary Capacity |
617,75 cc/cylinder (37,7 cu in/cylinder) |
| Number of Main Bearings |
5 |
| Compression Ratio |
8,2 : 1 |
| Fuel System Type |
1 Ho carb |
| Aspiration Type |
Normal |
| Compressor Type |
- |
| Intercooler Type |
None |
| Catalytic Converter |
Yes |
| Maximum Engine Power |
90 HP (67,1 kW) |
| Maximum Engine Power rpm |
4400 d/d |
| Maximum Engine Torque |
173 N.m (127,7 lb.ft , 17,6 kg.m) |
| Maximum Engine Torque rpm |
2400 d/d |
| Engine Torque at Max. Engine Power rpm |
145,7 N.m (4400 d/d) |
| Power / Weight Ratio |
76,2 HP/ton (56,8 W/kg) |
| Power / Engine Displacement Ratio |
36,4 HP/litre (27,2 kW/litre) |
| CO2 Emissions |
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| Fuel Consumption |
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| Performance |
| 0 - 80 km/h |
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| 0 - 60 mph |
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| 0 - 100 km/h |
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| 0 - 160 km/h |
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| 80 - 120 km/h (in top gear) |
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| 0 - 400 m Acceleration |
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| 0 - 1000 m Acceleration |
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| Top Speed |
140 km/h (87 mph) |
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| Gearbox and Transmission |
| Transmission Type |
4M |
| 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) |
4,4 |
| Turning Circle Diameter |
11,7 m (38,4 ft) |
| Suspension (front) |
I.W.CS. |
| Suspension (rear) |
LA.RA.TA.CS. |
| Brakes (front/rear) |
Di/Dr-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) |
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| Tyres (rear) |
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