The Firebird Trans Am is a rear wheel drive coupé motor vehicle with a front placed engine, from Pontiac.
Power is produced by an overhead valve, 6.6 litre naturally aspirated 8 cylinder engine, with 2 valves per cylinder that produces power and torque figures of 220 bhp (223 PS/164 kW) at 4000 rpm and 435 N·m (321 lb·ft/44.4 kgm) at 2800 rpm respectively.
This power is delivered to the wheels via a 4 speed manual gearbox.
The Pontiac Firebird Trans Am weighs a claimed 1640 kg at the kerb.
Full specs
|
|
|||
| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2+2 seater fixed-head coupé | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2746 | 108.1 | |
| Voies AV | 1554 | 61.2 | |
| Voies AR | 1532 | 60.3 | |
| Longueur | 4999 | 196.8 | |
| Largeur | 1864 | 73.4 | |
| Hauteur | 1255 | 49.4 | |
| Garde au sol | |||
| 1.82 | |||
| Poids avec pleins | 1640 kg | 3616 | |
| Répartition poids AV | |||
| Réservoir à essence | 79 litres | 17.4 [20.9] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| naturally aspirated petrol | |||
| Constructeur du moteur | GM | ||
| Type moteur | L78 / W 72 | ||
| Cylinders | V 8 in 90° vee | ||
| Cylindrée | 6.6 litre 6558 cc (400.194 cu in) |
||
| Alésage × Course | 104.68 × 95.25 mm
4.12 × 3.75 in |
||
| Rapport alésage / course | 1.1 | ||
| Distribution | overhead valve (OHV)
2 Soupapes par cylindre 16 Total vannes |
||
| Puissance maximale (net) |
223 PS (220 bhp) (164 kW) à 4000 tr/mn |
||
| Couple maximale (net) |
435 Nm (321 ft·lb) (44.4 kgm) à 2800 tr/mn |
||
| Specific output (net) |
25 kW/litre 34 ps/litre 33.5 bhp/litre 0.55 bhp/cu in |
||
(net) |
66.33 Nm/litre
0.8 ft·lb/cu3 |
||
| Construction | cast iron block & head | ||
| Lubrification | Carter humide | ||
| Taux de compression | 8.1:1 | ||
| Carburant | 1 Rochester carburettor | ||
| bmep (brake mean effective pressure) | 833.5 kPa (120.9 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | 5 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 819.75 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 | |||
| Power-to-weight ratio | Higher is better 136.01 PS/tonne (1000 kg) 0.14 PS/kg 100.03 kW/tonne (1000 kg) 0.1 kW/kg 134.15 bhp/tonne (1000 kg) 0.13 bhp/kg 0.06 bhp/lb |
||
| Weight-to-power ratio | Lower is better 10 kg/kW 16.7 lb/bhp |
||
| 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 15 | ||
| Roues AR | 8 x 15 | ||
| Pneumatiques AV | 255/70 R 15 | ||
| Pneumatiques AR | 255/70 R 15 | ||
| Freins AV/AR | VeDi/Dr-S | ||
| Diamètre des freins AV | 279 mm | ||
| Diamètre des freins AR | |||
| Braked area | |||
| Transmission | 4 speed manual | ||
| Rapport de démultiplication supérieure | 1 | ||
| Rapport de pont | 3.42 | ||
| Généralités | |||
| Carfolio.com ID | 342584 | ||
| Production total | |||
| Type mines | |||
| RAC rating | 54.4 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
|
1978 Pontiac Firebird Trans Am added 2013-07-04. Last modified 2020-02-02. |
|||