Pontiac GM Pontiac 326, Engine
| Engine capacity | 5,343 cm³ |
| Maximum power (range), hp | 250 - 285 |
| Maximum torque, N*m (kg*m) at rpm. | 452 (46) / 2800 |
| Fuel used | Petrol |
| Fuel consumption, l/100 km | 17.9 - 20.6 |
| Engine type | V-shaped, 8-cylinder |
| Additional engine information | Carburetor 4-barrel |
| Maximum power, hp (kW) at rpm | 250 (184) / 4600 |
| Compression Ratio (Range) | 8.6 - 10.5 |
| Cylinder diameter (range), mm | 94.5 |
| Piston stroke (range), mm | 95.25 |
| Valve drive | OHV |
| Number of valves per cylinder (range) | 2 |