The Grand Prix 428 is a rear wheel drive coupé passenger car with a front positioned engine, sold by Pontiac.
The power is produced by a naturally aspirated engine of 7 litre capacity. This powerplant features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. It produces 370 bhp (375 PS/276 kW) of power at 4800 rpm, and maximum torque of 640 N·m (472 lb·ft/65.3 kgm) at 3200 rpm.
The engine delivers its power through to the wheels via a 3 speed automatic transmission.
It weighs a quoted 1564 kg at the kerb.
Full specs
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| Karosserie | |||
|---|---|---|---|
| Karosserie | 4/5 seater fixed-head coupé | ||
| Anzahl türen | 2 | ||
| Entwerfer | |||
| Maße und Gewicht | |||
| Radstand | 2997 | 118 Zoll | |
| Spurweite vorn | 1575 | 62 Zoll | |
| Spurweite hinten | 1524 | 60 Zoll | |
| Länge | 5340 | 210.2 Zoll | |
| Breite | 1923 | 75.7 Zoll | |
| Höhe | 1318 | 51.9 Zoll | |
| Bodenfreiheit | 140 | 5.5 Zoll | |
| 1.78 | |||
| Leergewicht | 1564 kg | 3448 Pfund | |
| Gewichtsverteilung (vorn) | |||
| Tankinhalt | 100.4 litres | 22.1 [26.5] UK [US] gal. | |
| Aerodynamik | |||
| Luftwiderstandsbeiwert | |||
| Stirnfläche | |||
| CdA | |||
| Motorisierung | |||
| naturally aspirated petrol | |||
| Motor Hersteller | GM | ||
| Motor-Typ | |||
| Anzahl zylinders | V 8 in 90° vee | ||
| Hubraum | 7 litre 6991 cc (426.617 cu in) |
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| Bohrung × Hub | 104.65 × 101.6 mm
4.12 × 4 in |
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| Bohrung/Hub Verhältnis | 1.03 | ||
| Verteilung | overhead valve (OHV)
2 Ventile pro Zylinder 16 Insgesamt Ventile |
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| Leistung (gross) |
375 PS (370 bhp) (276 kW) bei 4800 U/min |
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| Max. Drehmoment (gross) |
640 Nm (472 ft·lb) (65.3 kgm) bei 3200 U/min |
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| spezifisches Leistung (gross) |
39.5 kW/litre 53.7 ps/litre 52.9 bhp/litre 0.87 bhp/cu in |
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| Spezifisches Drehmoment (gross) |
91.55 Nm/litre
1.11 ft·lb/cu3 |
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| Engine construction | cast iron block & head | ||
| Schmierung | nassersumpf | ||
| Verdichtungsverhältnis | 10.5:1 | ||
| Vergasser/Einspritzung | 1 Rochester carburettor | ||
| effektiver Mitteldruck | 1150.4 kPa (166.9 psi) | ||
| Höchstdrezahl | |||
| Anzahl der Kurbelwellenlager | 5 | ||
| Abkühlen | Water | ||
| Einheitszylinderinhalt | 873.88 cc | ||
| Aspiration | Normal | ||
| Kompressor-typ | N/A | ||
| Ladeluftkühler | None | ||
| Katalysator | N | ||
| Fahrleistungen | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vmax/Höchstgeschwindigkeit | |||
| Power-to-weight ratio | Higher is better 239.86 PS/tonne (1000 kg) 0.24 PS/kg 176.41 kW/tonne (1000 kg) 0.18 kW/kg 236.57 bhp/tonne (1000 kg) 0.24 bhp/kg 0.11 bhp/lb |
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| Weight-to-power ratio | Lower is better 5.67 kg/kW 9.47 lb/bhp |
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| Verbrauch | |||
| Verbrauch | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Fahrgestell | |||
| Motor Platzierung | front | ||
| Engine layout | longitudinal | ||
| Antrieb | rear wheel drive | ||
| Drehmomentverteilung | N/A | ||
| Lenkungtyp | |||
| Lenkradumdrehungen | |||
| Wendekruis | 14.10 m | ||
| Radaufhängen vorn | I.CS. | ||
| Radaufhängen hintern | LA.CS. | ||
| Rädergröße vorn | 7 x 14 | ||
| Rädergröße hintern | 7 x 14 | ||
| Reifen vorn | G78-14 | ||
| Reifen hintern | G78-14 | ||
| Bremsen vorn/hintern | Di/Dr-S | ||
| Bremse Durchmesser vorn | 282 mm | ||
| Bremse Durchmesser hintern | 241 mm | ||
| Braked area | |||
| Getriebe | 3 gang Automatikgetriebe | ||
| Hinterachse | 1 | ||
| Hinterachse Übersetzungen | 3.23 | ||
| Allgemein | |||
| Carfolio.com ID | 67078 | ||
| Production total | |||
| Modellnummer | |||
| RAC rating | 54.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1969 Pontiac Grand Prix 428 added before December 1995. Last modified 2013-03-04. |
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