Pontiac GM Pontiac 400, Engine
| Engine capacity | 6,558 cm³ |
| Maximum power (range), hp | 170 - 350 |
| Maximum torque, N*m (kg*m) at rpm. | 400 (41) / 2800 |
| Fuel used | Petrol |
| Fuel consumption, l/100 km | 14.7 - 24.4 |
| Engine type | V-shaped, 8-cylinder |
| Additional engine information | Carburetor Rochester 2-barrel carb diam. 43 mm |
| Maximum power, hp (kW) at rpm | 170 (125) / 4000 |
| Compression Ratio (Range) | 7.7 - 10.5 |
| Cylinder diameter (range), mm | 104.68 |
| Piston stroke (range), mm | 95.25 |
| Valve drive | OHV |
| Number of valves per cylinder (range) | 2 |