General Motors 54° V6 engine
General Motors' Opel subsidiary in Europe designed a compact V6 engine with an unusual 54° vee angle. It was an iron block/aluminum head DOHC design with four valves per cylinder. All 54° engines were assembled at Ellesmere Port in England. Wikipedia
Compression ratio: 10.0:1, 10.8:1, 11.5:1
Cooling system: Water-cooled
Cylinder block material: Cast iron
Cylinder bore: 81.6 mm (3.21 in); 83.2 mm (3.28 in); 86 mm (3.39 in); 87.5 mm (3.44 in)
Cylinder head material: Aluminium
Emissions control systems: Secondary air injection, EGR Valve
Fuel system: Sequential multi-port fuel injection
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