Chevrolet GM Vortec L18, Engine
| Engine capacity | 8,127 cm³ |
| Maximum power (range), hp | 320 - 340 |
| Maximum torque, N*m (kg*m) at rpm. | 597 (61) / 3200 |
| Fuel used | Petrol |
| Fuel consumption, l/100 km | 21.9 - 23.1 |
| Engine type | V-shaped, 8-cylinder |
| Additional engine information | OHV, SFI |
| Maximum power, hp (kW) at rpm | 320 (235) / 4200 |
| Compression Ratio (Range) | 9.1 |
| Cylinder diameter (range), mm | 107.95 |
| Piston stroke (range), mm | 111 |
| Number of valves per cylinder (range) | 2 |