Buick GM Buick Wildcat 401, Engine
| Engine capacity | 6,572 cm³ |
| Maximum power (range), hp | 325 - 340 |
| Maximum torque, N*m (kg*m) at rpm. | 603 (62) / 3200 |
| Fuel used | Petrol |
| Fuel consumption, l/100 km | 21.7 - 23.6 |
| Engine type | V-shaped, 8-cylinder |
| Additional engine information | Carter AFB 4-barrel carburetor |
| Maximum power, hp (kW) at rpm | 325 (239) / 4400 |
| Compression Ratio (Range) | 10.25 |
| Cylinder diameter (range), mm | 106.36 |
| Piston stroke (range), mm | 92.46 |
| Valve drive | OHV |
| Number of valves per cylinder (range) | 2 |