The Pontiac Firebird 400 H.O. is a 2 door coupé-bodied car with a front positioned engine driving through the rear wheels.
The Firebird 400 H.O. forms part of Pontiac's 223 series of cars.
It is powered by a naturally aspirated engine of 6.6 litre capacity. This unit features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. It produces 335 bhp (340 PS/250 kW) of power at 5000 rpm, and maximum torque of 583 N·m (430 lb·ft/59.5 kgm) at 3400 rpm.
A 3 speed automatic gearbox supplies the power to the wheels.
The quoted weight at the kerb is 1557 kg.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2+2 seater fixed-head coupé | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2743 | 108 | |
| Voies AV | 1524 | 60 | |
| Voies AR | 1524 | 60 | |
| Longueur | 4796 | 188.8 | |
| Largeur | 1849 | 72.8 | |
| Hauteur | 1270 | 50 | |
| Garde au sol | |||
| 1.75 | |||
| Poids avec pleins | 1557 kg | 3433 | |
| Répartition poids AV | |||
| Réservoir à essence | 70.1 litres | 15.4 [18.5] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| naturally aspirated petrol | |||
| Constructeur du moteur | Pontiac | ||
| Type moteur | |||
| Cylinders | V 8 in 90° vee | ||
| Cylindrée | 6.6 litre 6554 cc (399.95 cu in) |
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| Alésage × Course | 104.65 × 95.25 mm
4.12 × 3.75 in |
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| Rapport alésage / course | 1.1 | ||
| Distribution | overhead valve (OHV)
2 Soupapes par cylindre 16 Total vannes |
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| Puissance maximale | 340 PS (335 bhp) (250 kW) à 5000 tr/mn |
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| Couple maximale | 583 Nm (430 ft·lb) (59.5 kgm) à 3400 tr/mn |
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| Specific output | 38.1 kW/litre 51.8 ps/litre 51.1 bhp/litre 0.84 bhp/cu in |
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88.95 Nm/litre
1.08 ft·lb/cu3 |
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| Construction | |||
| Lubrification | Carter humide | ||
| Taux de compression | 10.75:1 | ||
| Carburant | 1 Rochester carburettor | ||
| bmep (brake mean effective pressure) | 1117.8 kPa (162.1 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | |||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 819.25 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalyseur | N | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vitesse | |||
| Power-to-weight ratio | Higher is better 218.15 PS/tonne (1000 kg) 0.22 PS/kg 160.44 kW/tonne (1000 kg) 0.16 kW/kg 215.16 bhp/tonne (1000 kg) 0.22 bhp/kg 0.1 bhp/lb |
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| Weight-to-power ratio | Lower is better 6.23 kg/kW 10.41 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 | |||
| Turning circle | |||
| Suspension AV | |||
| Suspension AR | |||
| Roues AV | 6 x 14 | ||
| Roues AR | 6 x 14 | ||
| Pneumatiques AV | Firestone F70-14 | ||
| Pneumatiques AR | Firestone F70-14 | ||
| Freins AV/AR | Dr/Dr | ||
| Diamètre des freins AV | 241 mm | ||
| Diamètre des freins AR | 241 mm | ||
| Braked area | |||
| Transmission | 3 speed automatic | ||
| Rapport de démultiplication supérieure | 1 | ||
| Rapport de pont | 3.08 | ||
| Généralités | |||
| Carfolio.com ID | 343607 | ||
| Production total | |||
| Type mines | 22337 | ||
| 223 | |||
| RAC rating | 54.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1968 Pontiac Firebird 400 H.O. Automatic added 2013-07-15. Last modified 2020-06-10. |
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