Chevrolet GM Chevrolet Ramjet Special 283, Engine
| Engine capacity | 4,638 cm³ |
| Maximum power (range), hp | 290 |
| Maximum torque, N*m (kg*m) at rpm. | 393 (40) / 4400 |
| Fuel used | Gasoline AI-91 |
| Fuel consumption, l/100 km | 15.3 - 16.4 |
| Engine type | V-shaped, 8-cylinder |
| Additional engine information | Injector |
| Maximum power, hp (kW) at rpm | 290 (213) / 6200 |
| Compression Ratio (Range) | 10.5 |
| Cylinder diameter (range), mm | 98.42 |
| Piston stroke (range), mm | 76.2 |
| Cooling system (range), l | 17.5 |
| Engine lubrication system (range), l | 3.8 |
| Valve drive | OHV |
| Number of valves per cylinder (range) | 2 |