Chevrolet GM Chevrolet Ramjet 283, Engine
| Engine capacity | 4,638 cm³ |
| Maximum power (range), hp | 250 |
| Maximum torque, N*m (kg*m) at rpm. | 414 (42) / 3800 |
| Fuel used | Gasoline AI-91 |
| Fuel consumption, l/100 km | 14.4 - 17.8 |
| Engine type | V-shaped, 8-cylinder |
| Additional engine information | Injector |
| Maximum power, hp (kW) at rpm | 250 (184) / 5000 |
| Compression Ratio (Range) | 9.5 |
| Cylinder diameter (range), mm | 98.42 |
| Piston stroke (range), mm | 76.2 |
| Cooling system (range), l | 16 - 17.5 |
| Engine lubrication system (range), l | 3.8 |
| Valve drive | OHV |
| Number of valves per cylinder (range) | 2 |