Pontiac Grand Prix 428 HO is an automobile that has a 2 door coupé body style with a front positioned engine powering the rear wheels.
It is powered 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 has an output of 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.
Power is supplied to the wheels through a 4 speed manual gearbox.
Quoted weight at the kerb is 1564 kg.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 4/5 seater fixed-head coupé | ||
| Aantal portieren | 2 | ||
| Ontwerper | |||
| Afmetingen en gewicht | |||
| Wielbasis | 2997 | 118 | |
| Spoorbreedte voor | 1575 | 62 | |
| Spoorbreedte achter | 1524 | 60 | |
| Lengte | 5340 | 210.2 | |
| Breedte | 1923 | 75.7 | |
| Hoogte | 1318 | 51.9 | |
| Bodemvrijheid | |||
| 1.78 | |||
| Gewicht | 1564 kg | 3448 | |
| Gewichtsverdeling | |||
| Benzinetank inhalt | 100.4 litres | 22.1 [26.5] UK [US] gal. | |
| Aërodynamica | |||
| Cw-waarde | |||
| Frontaal oppervlak | |||
| CdA | |||
| naturally aspirated petrol | |||
| Motor fabrikant | GM | ||
| Motor nummer | |||
| Aantal cilinders | V 8 in 90° vee | ||
| Cilinderinhoud | 7 litre 6991 cc (426.617 cu in) |
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| Boring × Slag | 104.65 × 101.6 mm
4.12 × 4 in |
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| Boring/slag verhouding | 1.03 | ||
| Distributie | overhead valve (OHV)
2 Kleppen per cilinder 16 Totaal aantal kleppen |
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| Vermogen | 395 PS (390 bhp) (291 kW) bij 5200 t/min |
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| Max. koppel | 630 Nm (465 ft·lb) (64.2 kgm) bij 3400 t/min |
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| Specific output | 41.6 kW/litre 56.6 ps/litre 55.8 bhp/litre 0.91 bhp/cu in |
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90.12 Nm/litre
1.09 ft·lb/cu3 |
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| Motor constructie | cast iron block & head | ||
| Smering | Nat carter | ||
| Compressieverhouding | 10.75:1 | ||
| Brandstofsysteem | 1 Rochester carburettor | ||
| 1132.4 kPa (164.2 psi) | |||
| Maximum tpm | |||
| Aantal nokkenas lagers | 5 | ||
| Afkoeling | Water | ||
| Eenheidscylinderinhoud | 873.88 cc | ||
| Aanzuiging | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Katalysator | N | ||
| Prestasies | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Max. snelheid | |||
| Power-to-weight ratio | Higher is better 252.83 PS/tonne (1000 kg) 0.25 PS/kg 185.95 kW/tonne (1000 kg) 0.19 kW/kg 249.36 bhp/tonne (1000 kg) 0.25 bhp/kg 0.11 bhp/lb |
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| Weight-to-power ratio | Lower is better 5.38 kg/kW 8.98 lb/bhp |
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| Verbruik | |||
| Benzineverbruik | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| CO2 Emissies | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Onderstel | |||
| Motor plaatsing | front | ||
| Motor plaatsing | longitudinal | ||
| Aandrijving | rear wheel drive | ||
| Koppelverdeling | N/A | ||
| Stuurinrichting | |||
| Aantal omwentelingen stuurwiel | |||
| Draaicirkel | |||
| Wielophanging voor | I.CS. | ||
| Wielophanging achter | LA.CS. | ||
| Velgmaat voor | 7 x 14 | ||
| Velgmaat achter | 7 x 14 | ||
| Bandenmaat voor | G78-14 | ||
| Bandenmaat agter | G78-14 | ||
| Bremmen voor/agter | Di/Dr-S | ||
| Rem diameter voor | 282 mm | ||
| Rem diameter agter | 241 mm | ||
| Braked area | |||
| Versnellingsbak | 4 speed manual | ||
| Hoogste versnelling verhouding | 1 | ||
| Achteras verhouding | 3.90 | ||
| Algemeen | |||
| Carfolio.com ID | 288178 | ||
| Totaal gebouwd | |||
| Bouwserie | |||
| RAC rating | 54.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1969 Pontiac Grand Prix 428 HO added 2012-10-27. Last modified 2020-02-02. |
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