The Buick Roadmaster Hardtop is a rear wheel drive motor car, with its engine positioned in the front, and a 2 door coupé bodyshell.
The Buick Roadmaster Hardtop belongs to the Series 70 model family from Buick.
The 6 litre engine is a naturally aspirated, overhead valve, 8 cylinder that develops 300 bhp (304 PS/224 kW) of power at 4600 rpm, and maximum torque of 542 N·m (400 lb·ft/55.3 kgm) at 3200 rpm.
The engine transmits power to the wheels by means of a 2 speed automatic transmission.
Full specs
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| Carrocería | |||
|---|---|---|---|
| Carrocería | 4/5 seater fixed-head coupé | ||
| Número de puertas | 2 | ||
| diseñado por | |||
| Dimensiones y pesos | |||
| Distancia entre ejes | 3239 | 127.5 | |
| Vía delantera | 1511 | 59.5 | |
| Vía trasera | 1506 | 59.3 | |
| Longitud | 5469 | 215.3 | |
| Ancho | 1971 | 77.6 | |
| Altura | 1549 | 61 | |
| Despeje del suelo | |||
| Relación Largo:Dist.entre ejes | 1.69 | ||
| Peso en vacío | |||
| Distribución del peso (% adelante) | |||
| Capacità serbatoio | 75.8 litres | 16.7 [20] UK [US] gal. | |
| Aerodinámica | |||
| Coeficiente de penetración | |||
| Superficie frontal | |||
| SCx | |||
| Tren motriz | |||
| naturally aspirated petrol | |||
| Fabricante del motor | Buick | ||
| Código de motor | |||
| Número de cilindros | V 8 in 90° vee | ||
| Cilindrada | 6 litre 5957 cc (363.518 cu in) |
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| Diámetro × Carrera | 104.78 × 86.36 mm
4.13 × 3.4 in |
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| Relación diámetro/carrera | 1.21 | ||
| Distribución | overhead valve (OHV)
2 válvulas por cilindro 16 Total de válvulas |
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| Potencia nominal (gross) |
304 PS (300 bhp) (224 kW) a 4600 rpm |
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| Par motor máximo (gross) |
542 Nm (400 ft·lb) (55.3 kgm) a 3200 rpm |
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| Potencia específica (gross) |
37.6 kW/litre 51.1 ps/litre 50.4 bhp/litre 0.83 bhp/cu in |
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(gross) |
90.99 Nm/litre
1.1 ft·lb/cu3 |
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| Materiales de block / culata | |||
| Lubricación | Cárter húmedo | ||
| Relación de compresión | 10:1 | ||
| Alimentación | 1 Carter 2507 carburettor | ||
| 1143.4 kPa (165.8 psi) | |||
| Maximum RPM | |||
| Casquillos de cigüeñal | 5 | ||
| Engine coolant | Water | ||
| 744.63 cc | |||
| Aspiración | Normal | ||
| Compresor | N/A | ||
| intercooler | None | ||
| catalizador | N | ||
| Rendimiento | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Velocidad máxima | |||
| Power-to-weight ratio | |||
| Weight-to-power ratio | |||
| Consumos | |||
| Consumo de combustible | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Emisiones de CO2 | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Chasis | |||
| Ubicación del motor | front | ||
| Engine layout | longitudinal | ||
| Tracción | rear wheel drive | ||
| Alimentación | N/A | ||
| Dirección, tipo | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Suspensión delantera | |||
| Suspensión trasera | |||
| Ruedas delante | 6L x 15 | ||
| Ruedas detrás | 6L x 15 | ||
| Neumáticos delante | 8.00-15 | ||
| Neumáticos detrás | 8.00-15 | ||
| Brakes F/R | Dr/Dr-S | ||
| Front brake diameter | 305 mm | ||
| Rear brake diameter | 305 mm | ||
| Braked area | |||
| Transmisión | 2 speed automatic | ||
| Eje trasero desmultiplicación | 1 | ||
| Desmultiplicación grupo cónico | 3.07 | ||
| General | |||
| Carfolio.com ID | 795762 | ||
| Unidades producidas | |||
| Model code | 6R/57-4737 | ||
| Series 70 | |||
| RAC rating | 54.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1957 Buick Roadmaster Hardtop added 2023-04-29. Last modified 2023-04-29. |
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