The Pontiac Bonneville Convertible 428 H.O. is a convertible/cabriolet with 2 doors and a front mounted engine which transmits its power to the rear wheels.
It forms part of Pontiac's 262 range of cars.
It is powered by a naturally aspirated engine of 7 litre capacity. This unit features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. It produces 390 bhp (395 PS/291 kW) of power at 5200 rpm, and maximum torque of 630 N·m (465 lb·ft/64.2 kgm) at 3400 rpm.
The engine transmits power to the wheels through a 4 speed manual 'box.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 4/5 seater convertible/cabriolet | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 3150 | 124 | |
| Voies AV | 1600 | 63 | |
| Voies AR | 1626 | 64 | |
| Longueur | 5677 | 223.5 | |
| Largeur | 2027 | 79.8 | |
| Hauteur | 1382 | 54.4 | |
| Garde au sol | |||
| 1.8 | |||
| Poids avec pleins | |||
| Répartition poids AV | |||
| Réservoir à essence | |||
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| naturally aspirated petrol | |||
| Constructeur du moteur | Pontiac | ||
| Type moteur | |||
| Cylinders | V 8 in 90° vee | ||
| Cylindrée | 7 litre 6991 cc (426.617 cu in) |
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| Alésage × Course | 104.65 × 101.6 mm
4.12 × 4 in |
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| Rapport alésage / course | 1.03 | ||
| Distribution | overhead valve (OHV)
2 Soupapes par cylindre 16 Total vannes |
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| Puissance maximale (gross) |
395 PS (390 bhp) (291 kW) à 5200 tr/mn |
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| Couple maximale (gross) |
630 Nm (465 ft·lb) (64.2 kgm) à 3400 tr/mn |
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| Specific output (gross) |
41.6 kW/litre 56.6 ps/litre 55.8 bhp/litre 0.91 bhp/cu in |
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(gross) |
90.12 Nm/litre
1.09 ft·lb/cu3 |
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| Construction | |||
| Lubrification | Carter humide | ||
| Taux de compression | 10.75:1 | ||
| Carburant | 1 carburettor | ||
| bmep (brake mean effective pressure) | 1132.4 kPa (164.2 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | 5 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 873.88 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 | |||
| 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 | 6JK x 14 | ||
| Roues AR | 6JK x 14 | ||
| Pneumatiques AV | 8.55 x 14 | ||
| Pneumatiques AR | 8.55 x 14 | ||
| Freins AV/AR | Dr/Dr | ||
| Diamètre des freins AV | 279 mm | ||
| Diamètre des freins AR | 279 mm | ||
| Braked area | |||
| Transmission | 4 speed manual | ||
| Rapport de démultiplication supérieure | 1 | ||
| Rapport de pont | 3.42 | ||
| Généralités | |||
| Carfolio.com ID | 343893 | ||
| Production total | |||
| Type mines | 26267 | ||
| 262 | |||
| RAC rating | 54.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1968 Pontiac Bonneville Convertible 428 H.O. added 2013-07-15. Last modified 2020-06-10. |
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