The Pontiac Le Mans Hardtop is a coupé with 2 doors and a front mounted engine which supplies its power to the rear wheels.
It is powered by a naturally aspirated engine of 4.9 litre capacity. This unit features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. It has an output of 135 bhp (137 PS/101 kW) of power at 4000 rpm, and maximum torque of 339 N·m (250 lb·ft/34.6 kgm) at 1600 rpm.
The engine powers the wheels via a 3 speed automatic set of gears.
The Pontiac Le Mans Hardtop weighs a quoted 1655 kg at the kerb.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 4/5 seater fixed-head coupé | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2845 | 112 | |
| Voies AV | 1565 | 61.6 | |
| Voies AR | 1552 | 61.1 | |
| Longueur | 5283 | 208 | |
| Largeur | 1966 | 77.4 | |
| Hauteur | 1339 | 52.7 | |
| Garde au sol | 124 | 4.9 | |
| 1.86 | |||
| Poids avec pleins | 1655 kg | 3649 | |
| Répartition poids AV | |||
| Réservoir à essence | 82.6 litres | 18.2 [21.8] 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 | 4.9 litre 4942 cc (301.579 cu in) |
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| Alésage × Course | 101.6 × 76.2 mm
4 × 3 in |
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| Rapport alésage / course | 1.33 | ||
| Distribution | overhead valve (OHV)
2 Soupapes par cylindre 16 Total vannes |
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| Puissance maximale (net) |
137 PS (135 bhp) (101 kW) à 4000 tr/mn |
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| Couple maximale (net) |
339 Nm (250 ft·lb) (34.6 kgm) à 1600 tr/mn |
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| Specific output (net) |
20.4 kW/litre 27.7 ps/litre 27.3 bhp/litre 0.45 bhp/cu in |
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(net) |
68.6 Nm/litre
0.83 ft·lb/cu3 |
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| Construction | cast iron block & head | ||
| Lubrification | Carter humide | ||
| Taux de compression | 8.2:1 | ||
| Carburant | 1 Rochester 17057172 carburettor | ||
| bmep (brake mean effective pressure) | 862 kPa (125 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | 5 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 617.75 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 82.7 PS/tonne (1000 kg) 0.08 PS/kg 60.83 kW/tonne (1000 kg) 0.06 kW/kg 81.57 bhp/tonne (1000 kg) 0.08 bhp/kg 0.04 bhp/lb |
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| Weight-to-power ratio | Lower is better 16.44 kg/kW 27.46 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 | 3.300 | ||
| Turning circle | |||
| Suspension AV | |||
| Suspension AR | |||
| Roues AV | 7 x 15 | ||
| Roues AR | 7 x 15 | ||
| Pneumatiques AV | FR78 x 15 | ||
| Pneumatiques AR | FR78 x 15 | ||
| Freins AV/AR | VeDi/Dr | ||
| Diamètre des freins AV | 279 mm | ||
| Diamètre des freins AR | |||
| Braked area | |||
| Transmission | 3 speed automatic | ||
| Rapport de démultiplication supérieure | 1 | ||
| Rapport de pont | 2.56 | ||
| Généralités | |||
| Carfolio.com ID | 342782 | ||
| Production total | |||
| Type mines | |||
| RAC rating | 51.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1977 Pontiac Le Mans Hardtop added 2013-07-06. Last modified 2020-02-02. |
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