The Pontiac Firebird Formula is a coupé with 2 doors and a front mounted engine which transmits its power to the rear wheels.
The 8 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a volume of 4.4 litres. In this application it provides power and torque figures of 120 bhp (122 PS/89 kW) at 3600 rpm and 278 Nm (205 lbft/28.3 kgm) at 2000 rpm respectively.
The engine transmits power to the wheels via a 3 speed automatic transmission.
Its quoted kerb weight is 1541 kg.
Maximum speed claimed is 158 km/h or 98 mph.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2+2 seater fixed-head coupé | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2748 | 108.2 | |
| Voies AV | 1557 | 61.3 | |
| Voies AR | 1524 | 60 | |
| Longueur | 5032 | 198.1 | |
| Largeur | 1854 | 73 | |
| Hauteur | 1252 | 49.3 | |
| Garde au sol | 117 | 4.6 | |
| 1.83 | |||
| Poids avec pleins | 1541 kg | 3397 | |
| Répartition poids AV | |||
| Réservoir à essence | 79.6 litres | 17.5 [21] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| naturally aspirated petrol | |||
| Constructeur du moteur | GM | ||
| Type moteur | |||
| Cylinders | V 8 in 90° vee | ||
| Cylindrée | 4.4 litre 4390 cc (267.894 cu in) |
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| Alésage × Course | 88.9 × 88.4 mm
3.5 × 3.48 in |
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| Rapport alésage / course | 1.01 | ||
| Distribution | overhead valve (OHV)
2 Soupapes par cylindre 16 Total vannes |
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| Puissance maximale (SAEnet) |
122 PS (120 bhp) (89 kW) à 3600 tr/mn |
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| Couple maximale (SAEnet) |
278 Nm (205 ft·lb) (28.3 kgm) à 2000 tr/mn |
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| Specific output (SAEnet) |
20.4 kW/litre 27.7 ps/litre 27.3 bhp/litre 0.45 bhp/cu in |
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(SAEnet) |
63.33 Nm/litre
0.77 ft·lb/cu3 |
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| Construction | cast iron block & head | ||
| Lubrification | Carter humide | ||
| Taux de compression | 8.3:1 | ||
| Carburant | 1 Ro M2ME carb | ||
| bmep (brake mean effective pressure) | 795.8 kPa (115.4 psi) | ||
| Régime maximal | 4000 tr/mn | ||
| Nombre de paliers de vilebrequin | 5 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 548.75 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalyseur | Y | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vitesse | 158 km/h (98 mph) | ||
| Power-to-weight ratio | Higher is better 78.95 PS/tonne (1000 kg) 0.08 PS/kg 58.07 kW/tonne (1000 kg) 0.06 kW/kg 77.87 bhp/tonne (1000 kg) 0.08 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 17.22 kg/kW 28.77 lb/bhp |
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| Consommation | |||
| Consommation | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Emissions de CO₂ | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Châssis | |||
| Emplacement de moteur | front | ||
| Engine layout | longitudinal | ||
| Traction | rear wheel drive | ||
| Répartition du couple | N/A | ||
| Direction | |||
| turns lock-to-lock | 2.410 | ||
| Turning circle | 12.60 m | ||
| Suspension AV | I.W.CS.ARB. | ||
| Suspension AR | LA.SE.ARB. | ||
| Roues AV | |||
| Roues AR | |||
| Pneumatiques AV | P205/75 R 15 | ||
| Pneumatiques AR | P205/75 R 15 | ||
| Freins AV/AR | VeDi/Dr-S | ||
| Diamètre des freins AV | 279 mm | ||
| Diamètre des freins AR | |||
| Braked area | 2106 cm2 | ||
| Transmission | 3 speed automatic | ||
| Rapport de démultiplication supérieure | 1 | ||
| Rapport de pont | 2.41 | ||
| Généralités | |||
| Carfolio.com ID | 99528 | ||
| Production total | |||
| Type mines | |||
| RAC rating | 39.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1981 Pontiac Firebird Formula added 2002-09-05. Last modified 2013-02-28. |
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