The Le Mans 'Colonnade' Sport Coupé GTO 455 is a car from Pontiac, with rear wheel drive, a front located engine and a 2 door coupé body style.
Its 8 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a volume of 7.5 litres. For this model it develops power and torque figures of 250 bhp (253 PS/186 kW) at 4000 rpm and 501 Nm (370 lbft/51.1 kgm) at 2800 rpm respectively.
A 3 speed automatic 'box delivers the power to the wheels.
Quoted weight at the kerb is 1724 kg.
Maximum stated speed is 193 km/h, or 120 mph.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 4/5 seater fixed-head coupé | ||
| Aantal portieren | 2 | ||
| Ontwerper | |||
| Afmetingen en gewicht | |||
| Wielbasis | 2845 | 112 | |
| Spoorbreedte voor | 1562 | 61.5 | |
| Spoorbreedte achter | 1542 | 60.7 | |
| Lengte | 5268 | 207.4 | |
| Breedte | 1974 | 77.7 | |
| Hoogte | 1344 | 52.9 | |
| Bodemvrijheid | |||
| 1.85 | |||
| Gewicht | 1724 kg | 3801 | |
| Gewichtsverdeling | |||
| Benzinetank inhalt | 81.5 litres | 17.9 [21.5] UK [US] gal. | |
| Aërodynamica | |||
| Cw-waarde | |||
| Frontaal oppervlak | |||
| CdA | |||
| naturally aspirated petrol | |||
| Motor fabrikant | Pontiac | ||
| Motor nummer | |||
| Aantal cilinders | V 8 in 90° vee | ||
| Cilinderinhoud | 7.5 litre 7462 cc (455.359 cu in) |
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| Boring × Slag | 105.4 × 106.9 mm
4.15 × 4.21 in |
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| Boring/slag verhouding | 0.99 | ||
| Distributie | overhead valve (OHV)
2 Kleppen per cilinder 16 Totaal aantal kleppen |
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| Vermogen (SAE net) |
253 PS (250 bhp) (186 kW) bij 4000 t/min |
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| Max. koppel (SAE net) |
501 Nm (370 ft·lb) (51.1 kgm) bij 2800 t/min |
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| Specific output (SAE net) |
25 kW/litre 34 ps/litre 33.5 bhp/litre 0.55 bhp/cu in |
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(SAE net) |
67.14 Nm/litre
0.81 ft·lb/cu3 |
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| Motor constructie | cast iron block & head | ||
| Smering | Nat carter | ||
| Compressieverhouding | 8:1 | ||
| Brandstofsysteem | 1 Rochester Quadrajet carburettor | ||
| 843.7 kPa (122.4 psi) | |||
| Maximum tpm | |||
| Aantal nokkenas lagers | 5 | ||
| Afkoeling | Water | ||
| Eenheidscylinderinhoud | 932.75 cc | ||
| Aanzuiging | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Katalysator | |||
| Prestasies | |||
| 0-80km/h | |||
| 0-60mph | 6.6 s | ||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | 13.7 s
@ 99 mph |
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| 0-1000m | |||
| Max. snelheid | 193 km/h (120 mph) | ||
| Power-to-weight ratio | Higher is better 147.03 PS/tonne (1000 kg) 0.15 PS/kg 108.14 kW/tonne (1000 kg) 0.11 kW/kg 145.01 bhp/tonne (1000 kg) 0.15 bhp/kg 0.06 bhp/lb |
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| Weight-to-power ratio | Lower is better 9.25 kg/kW 15.45 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 | |||
| Wielophanging achter | |||
| Velgmaat voor | |||
| Velgmaat achter | |||
| Bandenmaat voor | G60 x 15 | ||
| Bandenmaat agter | G60 x 15 | ||
| Bremmen voor/agter | Di/Dr-S | ||
| Rem diameter voor | 282 mm | ||
| Rem diameter agter | 241 mm | ||
| Braked area | |||
| Versnellingsbak | 3 speed automatic | ||
| Hoogste versnelling verhouding | 1 | ||
| Achteras verhouding | 3.42 | ||
| Algemeen | |||
| Carfolio.com ID | 221001 | ||
| Totaal gebouwd | |||
| Bouwserie | |||
| RAC rating | 55.1 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1973 Pontiac Le Mans 'Colonnade' Sport Coupé GTO 455 Automatic added 2010-11-07. Last modified 2020-02-02. |
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