The Pontiac Executive Hardtop Coupé 428 H.O. is a coupé with 2 doors and a front mounted engine which transmits its power to the rear wheels.
The Pontiac Executive Hardtop Coupé 428 H.O. belongs to the 256 model family from Pontiac.
Power is produced by an overhead valve, 7 litre naturally aspirated 8 cylinder motor, with 2 valves per cylinder that develops power and torque figures of 390 bhp (395 PS/291 kW) at 5200 rpm and 630 N·m (465 lb·ft/64.2 kgm) at 3400 rpm respectively.
The engine transfers its power through to the wheels via a 3 speed automatic transmission.
Full specs
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| Karosserie | |||
|---|---|---|---|
| Karosserie | 4/5 seater fixed-head coupé | ||
| Anzahl türen | 2 | ||
| Entwerfer | |||
| Maße und Gewicht | |||
| Radstand | 3150 | 124 Zoll | |
| Spurweite vorn | 1600 | 63 Zoll | |
| Spurweite hinten | 1626 | 64 Zoll | |
| Länge | 5677 | 223.5 Zoll | |
| Breite | 2027 | 79.8 Zoll | |
| Höhe | 1372 | 54 Zoll | |
| Bodenfreiheit | |||
| 1.8 | |||
| Leergewicht | |||
| Gewichtsverteilung (vorn) | |||
| Tankinhalt | |||
| Aerodynamik | |||
| Luftwiderstandsbeiwert | |||
| Stirnfläche | |||
| CdA | |||
| Motorisierung | |||
| naturally aspirated petrol | |||
| Motor Hersteller | Pontiac | ||
| 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) |
395 PS (390 bhp) (291 kW) bei 5200 U/min |
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| Max. Drehmoment (gross) |
630 Nm (465 ft·lb) (64.2 kgm) bei 3400 U/min |
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| spezifisches Leistung (gross) |
41.6 kW/litre 56.6 ps/litre 55.8 bhp/litre 0.91 bhp/cu in |
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| Spezifisches Drehmoment (gross) |
90.12 Nm/litre
1.09 ft·lb/cu3 |
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| Engine construction | |||
| Schmierung | nassersumpf | ||
| Verdichtungsverhältnis | 10.5:1 | ||
| Vergasser/Einspritzung | 1 carburettor | ||
| effektiver Mitteldruck | 1132.4 kPa (164.2 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 | |||
| Weight-to-power ratio | |||
| 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 | |||
| Radaufhängen vorn | |||
| Radaufhängen hintern | |||
| Rädergröße vorn | 6JK x 14 | ||
| Rädergröße hintern | 6JK x 14 | ||
| Reifen vorn | 8.55 x 14 | ||
| Reifen hintern | 8.55 x 14 | ||
| Bremsen vorn/hintern | Dr/Dr | ||
| Bremse Durchmesser vorn | 279 mm | ||
| Bremse Durchmesser hintern | 279 mm | ||
| Braked area | |||
| Getriebe | 3 gang Automatikgetriebe | ||
| Hinterachse | 1 | ||
| Hinterachse Übersetzungen | 3.42 | ||
| Allgemein | |||
| Carfolio.com ID | 344355 | ||
| Production total | |||
| Modellnummer | 25687 | ||
| 256 | |||
| RAC rating | 54.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1968 Pontiac Executive Hardtop Coupé 428 H.O. Automatic added 2013-07-15. Last modified 2020-06-10. |
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