| Ω-engine Omega engine | |
| Manufacturer: | Hyundai Motor Company |
| Production: | 1999–2008 |
| Successor: | Tau |
| Configuration: | V8 |
| Block: | Aluminium |
| Valvetrain: | DOHC |
| Fueltype: | Gasoline |
| Fuelsystem: | Multi-port fuel injection Direct injection |
| Coolingsystem: | Water-cooled |
| Compression: | 10.7:1 |
The Omega Ω is a V8 engine produced by Hyundai Motor Company. It is a dual overhead cam design with electronic multiport fuel injection or gasoline direct injection.
See main article: article and Mitsubishi 8A8 engine. The G8AA (also called the 4.5D) displaces 4.5 L (4498 cc) with a bore, stroke and a 10.7:1 compression ratio. Output is at 5,500 rpm and of torque at 3,500 rpm. The dry weight of the engine is .
The G8AB displaces 4.5 L (4498 cc) with a bore, stroke. Output is at 5,500 rpm and of torque at 4,500 rpm or at 5,500 rpm and of torque at 4,000 rpm.