Buick GM Pontiac Iron Duke LW9, Engine
| Engine capacity | 2,471 cm³ |
| Maximum power (range), hp | 84 - 90 |
| Maximum torque, N*m (kg*m) at rpm. | 170 (17) / 2400 |
| Fuel used | Petrol |
| Fuel consumption, l/100 km | 7.8 - 9 |
| Engine type | In-line, 4-cylinder |
| Additional engine information | carburetor Rochester 2SE Varajet II 2-barrel |
| Maximum power, hp (kW) at rpm | 84 (62) / 3600 |
| Compression Ratio (Range) | 8.2 |
| Cylinder diameter (range), mm | 101.6 |
| Piston stroke (range), mm | 76.2 |
| Valve drive | OHV |
| Number of valves per cylinder (range) | 2 |