General Motors 54° V6 engine

General Motors 54° V6
General Motors 54° V6
Overview
Manufacturer	General Motors
Also called	Ellesmere V6
Production	1994–2004
Layout
Configuration	54° V6
Displacement	2.5 L; 152.4 cu in (2,498 cc); 2.6 L; 158.5 cu in (2,597 cc); 3.0 L; 180.8 cu in (2,962 cc); 3.2 L; 193.8 cu in (3,175 cc);
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);
Piston stroke	79.6 mm (3.13 in); 85 mm (3.35 in); 88 mm (3.46 in);
Cylinder block material	Cast iron
Cylinder head material	Aluminium
Valvetrain	DOHC 4 valves × cyl.
Compression ratio	10.0:1, 10.8:1, 11.5:1
RPM range
Idle speed	450–1,030
Max. engine speed	6,600
Combustion
Turbocharger	Garrett GT15 (in 1997–2003 Saab 9-5)
Fuel system	Sequential multi-port fuel injection
Management	Bosch Motronic 2.8; Saab Trionic T7;
Fuel type	Gasoline
Oil system	Wet sump
Cooling system	Water-cooled
Output
Power output	168–220 bhp (125–164 kW; 170–223 PS)
Torque output	227–310 N⋅m (167–229 lb⋅ft)
Emissions
Emissions control systems	Secondary air injection, EGR Valve
Chronology
Predecessor	Opel CIH
Successor	High Feature V6

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.

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