Pontiac GM Oldsmobile 403, Engine
| Engine capacity | 6,598 cm³ |
| Maximum power (range), hp | 175 - 185 |
| Maximum torque, N*m (kg*m) at rpm. | 420 (43) / 2000 |
| Fuel used | Petrol |
| Fuel consumption, l/100 km | 14.7 - 22.4 |
| Engine type | V-shaped, 8-cylinder |
| Additional engine information | Rochester M4MC 4-barrel carburetor |
| Maximum power, hp (kW) at rpm | 175 (129) / 3600 |
| Compression Ratio (Range) | 7.9 - 8 |
| Cylinder diameter (range), mm | 110.52 |
| Piston stroke (range), mm | 85.98 |
| Valve drive | OHV |
| Number of valves per cylinder (range) | 2 |