Ω-engine
 Omega engine
Overview
ManufacturerHyundai Motor Company
Production1999–2008
Layout
ConfigurationV8
Displacement4.5 L (4,498 cc)
Cylinder bore86 mm (3.39 in)
Piston stroke96.8 mm (3.81 in)
Cylinder block materialAluminium
ValvetrainDOHC
Compression ratio10.7:1
Combustion
Fuel systemMulti-port fuel injection
Direct injection
Fuel typeGasoline
Cooling systemWater-cooled
Output
Power output260–270 PS (191–199 kW; 256–266 hp)
Torque output37.6–38.8 kg⋅m (369–380 N⋅m; 272–281 lbf⋅ft)
Chronology
SuccessorTau

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.

GDi

4.5L (G8AA)

The G8AA (also called the 4.5D) displaces 4.5 L (4498 cc) with a 86 mm (3.4 in) bore, 96.8 mm (3.81 in) stroke and a 10.7:1 compression ratio. Output is 260 PS (191 kW; 256 hp) at 5,500 rpm and 38.8 kg⋅m (380 N⋅m; 281 lbf⋅ft) of torque at 3,500 rpm. The dry weight of the engine is 236 kg (520 lb).

Applications

MPi

4.5L (G8AB)

The G8AB displaces 4.5 L (4498 cc) with a 86 mm (3.4 in) bore, 96.8 mm (3.81 in) stroke. Output is 270 PS (199 kW; 266 hp) at 5,500 rpm and 38 kg⋅m (373 N⋅m; 275 lbf⋅ft) of torque at 4,500 rpm or 268 PS (197 kW; 264 hp) at 5,500 rpm and 37.6 kg⋅m (369 N⋅m; 272 lbf⋅ft) of torque at 4,000 rpm.

Applications

See also

References


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