Pontiac GM Pontiac 428, Engine
| Engine capacity | 6,998 cm³ |
| Maximum power (range), hp | 360 - 390 |
| Maximum torque, N*m (kg*m) at rpm. | 603 (62) / 3000 |
| Fuel used | Petrol |
| Fuel consumption, l/100 km | 23.9 - 30.4 |
| Engine type | V-shaped, 8-cylinder |
| Additional engine information | Carburetor 4-barrel |
| Maximum power, hp (kW) at rpm | 360 (265) / 4800 |
| Compression Ratio (Range) | 10.75 |
| Cylinder diameter (range), mm | 104.7 |
| Piston stroke (range), mm | 101.6 |
| Valve drive | OHV |
| Number of valves per cylinder (range) | 2 |