Buick GM Chevrolet LM1, Engine
| Engine capacity | 5,733 cm³ |
| Maximum power (range), hp | 155 - 255 |
| Maximum torque, N*m (kg*m) at rpm. | 330 (34) / 2400 |
| Fuel used | Gasoline AI-91 |
| Fuel consumption, l/100 km | 13.8 - 23.6 |
| Engine type | V-shaped, 8-cylinder |
| Additional engine information | Rochester M4MC four-barrel carburetor |
| Maximum power, hp (kW) at rpm | 155 (114) / 3800 |
| Compression Ratio (Range) | 8.5 - 9 |
| Cylinder diameter (range), mm | 101.6 |
| Piston stroke (range), mm | 88.4 |
| Valve drive | OHV |
| Number of valves per cylinder (range) | 2 |