Porsche V8 engine
| Porsche V-8 engine | |
|---|---|
| Overview | |
| Manufacturer | Porsche |
| Production | 1977–present |
| Layout | |
| Configuration | 90° V-8 |
| Displacement | 3.4 L (3,397 cc) 4.5 L (4,474 cc) 4.6 L (4,593 cc) 4.7 L (4,664 cc) 4.8 L (4,806 cc) 5.0 L (4,957 cc) 5.4 L (5,397 cc) |
| Cylinder bore | 95 mm (3.7 in) 96 mm (3.8 in) 97 mm (3.8 in) 100 mm (3.9 in) |
| Piston stroke | 59.9 mm (2.4 in) 78.9 mm (3.1 in) 81 mm (3.2 in) 83 mm (3.3 in) 85.9 mm (3.4 in) |
| Valvetrain | 16-valve to 32-valve, SOHC/DOHC, two-valves per cylinder or four-valves per cylinder |
| Compression ratio | 8.5:1-10.0:1 |
| Combustion | |
| Turbocharger | Twin-turbocharged (2002-present) |
| Fuel system | Fuel injection |
| Fuel type | Gasoline |
| Oil system | Dry sump |
| Output | |
| Power output | 219–621 hp (163–463 kW) |
| Torque output | 268–605 lb⋅ft (363–820 N⋅m) |
| Dimensions | |
| Dry weight | 253–582 lb (115–264 kg) |
Porsche has made a number of V8 gasoline engines over the last 40 years; ever since their first V8 engine debuted in the Porsche 928, in 1977.