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| General Information |
| Make |
Pontiac |
| Model |
Firebird Trans Am |
| Production Year |
1981 |
| 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 |
2748 mm (108,2 in) |
| Front Track |
1557 mm (61,3 in) |
| Rear Track |
1524 mm (60 in) |
| Length |
5032 mm (198,1 in) |
| Width |
1854 mm (73 in) |
| Height |
1252 mm (49,3 in) |
| Ground Clearance |
117 mm (4,6 in) |
| Length / Wheelbase Ratio |
1,83 |
| Weight |
1616 kg (3559,5 lb) |
| Weight Distribution (front/rear) |
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| Fuel Capacity |
79,6 litre (17,5 Imp gal , 21 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 |
cast iron block & head |
| Coolant Type |
Water |
| Engine Type |
OHV |
| Number of Cylinders and Placement |
V-8 |
| Valves per Cylinder |
2 (Total of 16 Pieces) |
| Engine Displacement |
4942 cc (301,58 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 |
7,5 : 1 |
| Fuel System Type |
1 Ro M4MC carb |
| Aspiration Type |
Turbo |
| Compressor Type |
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| Intercooler Type |
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| Catalytic Converter |
Yes |
| Maximum Engine Power |
200 HP (149,1 kW) |
| Maximum Engine Power rpm |
4000 d/d |
| Maximum Engine Torque |
459 N.m (338,7 lb.ft , 46,8 kg.m) |
| Maximum Engine Torque rpm |
2000 d/d |
| Engine Torque at Max. Engine Power rpm |
356 N.m (4000 d/d) |
| Power / Weight Ratio |
123,8 HP/ton (92,3 W/kg) |
| Power / Engine Displacement Ratio |
40,5 HP/litre (30,2 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 |
190 km/h (118,1 mph) |
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| Gearbox and Transmission |
| Transmission Type |
3A |
| Top Gear Ratio |
1 : 1 |
| Final Drive Ratio |
3,08 : 1 |
| Drive Wheels |
RWD (Rear Wheel Drive) |
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| Handling, Suspension Geometry and Brakes |
| Steering Type |
recirculating ball VPAS |
| Steering Turns (lock to lock) |
2,41 |
| Turning Circle Diameter |
12,6 m (41,3 ft) |
| Suspension (front) |
I.W.CS.ARB. |
| Suspension (rear) |
LA.SE.ARB. |
| Brakes (front/rear) |
VeDi/Dr-S |
| Brake Disc Diameter (front) |
279 mm |
| Brake Disc Diameter (rear) |
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| Wheels (front) |
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| Wheels (rear) |
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| Tyres (front) |
P225/70 R 15 |
| Tyres (rear) |
P225/70 R 15 |
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