The Pontiac Firebird Trans Am is a coupé with 2 doors and a front mounted engine which transmits its power through the rear wheels.
The Firebird Trans Am is part of Pontiac's 2F model range.
Its 8 cylinder, overhead valve naturally aspirated powerplant has 2 valves per cylinder and a displacement of 5 litres. It musters power and torque figures of 205 bhp (208 PS/153 kW) at 4200 rpm and 387 Nm (285 lbft/39.5 kgm) at 3200 rpm respectively.
The engine delivers its power through to the wheels via a 4 speed automatic 'box.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2+2 seater fixed-head coupé | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2565 | 101 | |
| Voies AV | 1541 | 60.7 | |
| Voies AR | 1564 | 61.6 | |
| Longueur | 4958 | 195.2 | |
| Largeur | 1849 | 72.8 | |
| Hauteur | 1262 | 49.7 | |
| Garde au sol | |||
| 1.93 | |||
| Poids avec pleins | |||
| Répartition poids AV | |||
| Réservoir à essence | 58.7 litres | 12.9 [15.5] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| naturally aspirated petrol | |||
| Constructeur du moteur | GM | ||
| Type moteur | LB9 | ||
| Cylinders | V 8 in 90° vee | ||
| Cylindrée | 5 litre 5001 cc (305.18 cu in) |
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| Alésage × Course | 94.89 × 88.39 mm
3.74 × 3.48 in |
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| Rapport alésage / course | 1.07 | ||
| Distribution | overhead valve (OHV)
2 Soupapes par cylindre 16 Total vannes |
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| Puissance maximale (SAE net) |
208 PS (205 bhp) (153 kW) à 4200 tr/mn |
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| Couple maximale (SAE net) |
387 Nm (285 ft·lb) (39.5 kgm) à 3200 tr/mn |
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| Specific output (SAE net) |
30.6 kW/litre 41.6 ps/litre 41 bhp/litre 0.67 bhp/cu in |
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(SAE net) |
77.38 Nm/litre
0.94 ft·lb/cu3 |
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| Construction | |||
| Lubrification | Carter humide | ||
| Taux de compression | 9.3:1 | ||
| Carburant | EFI | ||
| bmep (brake mean effective pressure) | 972.4 kPa (141 psi) | ||
| Régime maximal | 5000 tr/mn | ||
| Nombre de paliers de vilebrequin | 5 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 625.13 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 | |||
| Power-to-weight ratio | |||
| Weight-to-power ratio | |||
| 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 | |||
| Turning circle | |||
| Suspension AV | |||
| Suspension AR | |||
| Roues AV | 8 x 16 | ||
| Roues AR | 8 x 16 | ||
| Pneumatiques AV | P215/60 R 16 | ||
| Pneumatiques AR | P215/60 R 16 | ||
| Freins AV/AR | VeDi/Dr-S | ||
| Diamètre des freins AV | 267 mm | ||
| Diamètre des freins AR | 241 mm | ||
| Braked area | |||
| Transmission | 4 speed automatic | ||
| Rapport de démultiplication supérieure | 0.7 | ||
| Rapport de pont | 2.73 | ||
| Généralités | |||
| Carfolio.com ID | 771573 | ||
| Production total | |||
| Type mines | W87 | ||
| 2F | |||
| RAC rating | 44.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1991 Pontiac Firebird Trans Am Automatic added 2022-09-13. Last modified 2022-09-18. |
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