Detroit Diesel V8 engine

General Motors–Detroit Diesel V8
Overview
Manufacturer	General Motors
Production	1981 (limited) 1982–2002
Layout
Configuration	90° V8
Displacement	6.2 L (379 cu in) 6.5 L (395 cu in)
Cylinder bore	6.2 L: 3.98 in (101.1 mm) 6.5 L: 4.06 in (103.1 mm)
Piston stroke	6.2 L: 3.8 in (96.5 mm) 6.5 L: 3.82 in (97 mm)
Cylinder block material	Cast iron
Cylinder head material	Cast iron
Valvetrain	OHV 2 valves × cyl.
Compression ratio	21.5:1, Marine 18.0:1
RPM range
Idle speed	550 ± 25
Max. engine speed	3,600
Combustion
Turbocharger	BorgWarner GM-X series (optional on 6.5L only)
Fuel system	1993 and older: Mechanical rotary pump 1994 and newer: Electronic rotary pump
Fuel type	Diesel
Cooling system	Water-cooled
Output
Power output	130–215 hp (97–160 kW)
Torque output	240–440 lb⋅ft (325–597 N⋅m)
Emissions
Emissions control systems	EGR and catalytic converter
Chronology
Predecessor	Oldsmobile Diesel LF9 350 cu in (5.7 L)
Successor	Duramax V8 engine

The General Motors–Detroit Diesel V8 engine is a series of diesel V8 engines first introduced by General Motors for their C/K pickup trucks in 1982. Developed in collaboration with GM subsidiary Detroit Diesel, the engine family was produced by GM through 2002, when it was replaced by the new Duramax line. AM General's subsidiary General Engine Products (GEP) still produces a military variant of this engine for the HMMWV.^[1]

The General Motors light-truck 6.2L and 6.5L diesel engines were optional in many 1982 through 2002 full-size GM pickups, SUVs, and vans. They were also available in motor homes. The engine was standard on AM General's military HMMWV, civilian Hummer H1, and the 1980s GM military Commercial Utility Cargo Vehicle.