Chrysler 5.9 L (360 CID) Magnum V8

Chrysler 360 MagnumThe Chrysler 360 Magnum is a 5.9 L (5,899 cc, 360 cu·in) natural aspirated V8 90° four-stroke liquid-cooled internal combustion gasoline engine, manufactured by Chrysler Corporation from 1992 to 2003.

A 99.3 mm (3.91 in) cylinder bore and 84.0 mm (3.31 in) piston stroke give the 5.2 L (360 cu in) Magnum V6 engine a total of 5,899 cm3 of displacement. The compression ratio rating is 9.1:1.

The 360 Magnum engine produced 234 PS (172 kW; 230 HP) at 4,000 rpm of maximum horsepower and 447 N·m (45.6 kg·m, 329.4 ft·lb) at 3,250 rpm of maximum torque. In 1998 the engine was upgraded, this version produced 248 PS (183 kW; 245 HP) at 4,000 rpm of horsepower and 454 N·m (46.3 kg·m, 334.6 ft·lb) at 3,250 rpm of torque. The R/T version produced 249.0 PS (183.0 kW; 245.0 HP) at 4,000 rpm and 468.0 Nm (47.7 kg·m; 345.4 ft·lb) at 3,250 rpm.

The Chrysler 360 Magnum V8 engine features:

  • Eight-cylinder V-type 90°
  • Cast-iron cylinder block and heads
  • Nodular iron crankshaft and camshaft
  • Aluminum alloy pistons with two compression and single oil ring
  • Forged steel connecting rons
  • OHV design with single camshaft
  • Electronic ignition system with mechanical distributor
  • Multiple-point fuel injection system

General information

Engine Specifications
Engine model 5.9L Magnum
Engine type 4-stroke, OHV, V8 90°
Displacement 5.9 L, 5,899 cm3, (360 cu·in)
Max. horsepower Before 1998: 234.0 PS (172.0 kW; 230.0 HP) at 4,000 rpm
After 1998: 248.0 PS (183.0 kW; 245.0 HP) at 4,000 rpm
R/T version: 249.0 PS (183.0 kW; 245.0 HP) at 4,000 rpm
Max. torque Before 1998: 447 N·m (45.6 kg·m, 329.4 ft·lb) at 3,250 rpm
After 1998: 454 N·m (46.3 kg·m, 334.6 ft·lb) at 3,250 rpm
R/T version: 468.0 Nm (47.7 kg·m; 345.4 ft·lb) at 3,250 rpm
Cooling system Liquid-cooled
Lubricating system Pressurized lubrication
Ignition system Electronic ignition system with mechanical distributor
Fuel system Multiple-point fuel injection system
Fuel used Unleaded gasoline (octane number 86 or higher)
Firing order: 1-8-4-3-6-5-7-2
Dimensions (L x W X H)
Dry weight

Cylinder Block and Head

Cylinder block
Cylinder block alloy: Cast-iron
Compression ratio: 9.1:1
Cylinder bore: 101.6 mm (4 in)
Piston stroke: 90.9 mm (3.58 in)
Cylinder internal diameter (standard): 101.600-101.65 mm (4-4.002 in)
Number of piston rings (compression / oil): 2/1
Connecting rod small end diameter (standard): 24.966-24.978 mm (0.9829-0.9834 in)
Piston pin diameter: 25.007-25.015 mm (0.9845-0.9848 in)
Side clearance (Top): 0.040-0.085 mm (0.0016-0.0033 in)
Side clearance (Second): 0.040-0.085 mm (0.0016-0.0033 in)
Side clearance (Oil): 0.050-0.210 mm (0.002-0.0083 in)
Ring end gap (Top): 0.300-0.550 mm (0.0118-0.0217 in)
Ring end gap (Second): 0.550-0.800 mm (0.0217-0.0315 in)
Ring end gap (Oil): 0.380-1.397 mm (0.015-0.055 in)
Number of main bearings: 5
Crankshaft main journal diameter: 71.360-71.387 mm (2.8094-2.8105 in)
Crankpin journal diameter: 53.950-53.975 mm (2.124-2.125 in)
Crankshaft center distance: 45.45 mm (1.79 in)
Cylinder head
Cylinder head alloy: Cast-iron
Valve arrangement: OHV, Chain driven
Valves: 2,(16 valves in total)
Intake timig: 274°
Exhaust timig: 264°
Valve head diameter (INTAKE): 47.752 mm (1.88 in)
Valve head diameter (EXHAUST): 41.072 mm (1.617 in)
Valve length (INTAKE): 126.210-126.850 mm (4.9689-4.9941 in)
Valve length (EXHAUST): 126.440-127.300 mm (4.9779-5.0118 in)
Valve steam diameter (INTAKE): 9.449-9.474 mm (0.372-0.373 in)
Valve steam diameter (EXHAUST): 9.423-9.449 mm (0.371-0.372 in)
Valve spring free length (INTAKE): 49.962 mm (1.967 in)
Valve spring free length (EXHAUST): 49.962 mm (1.967 in)

Tightening procedure and torque specs

Main bearing beam bolts: 115 Nm; 11.5 kg·m; 85 ft·lb in two-three stages
Connecting rod bearing bolts 61 Nm; 6.0 kg·m; 45 ft·lb
Cylinder head Step 1: 68 Nm; 6.8 kg·m; 50 ft·lb
Step 2: 143 Nm; 14.0 kg·m; 105 ft·lb
Cylinder head cover bolts 11 Nm; 1.1 kg·m; 8.1 ft·lb

Service Data

Cylinder compression: 689 kPa (100 psi)
Oil system
Lubrication system: Pressurized lubrication
Oil type: API: SH or SH/CD
Recommended oil: SAE 10W-30
Oil capacity: With oil filter: 4.7 L (5.0 US. qt, 4.14 Imp. qt.)
Oil pressure: 41.4 kPa (0.4 kg/cm3; 6 psi) at Idle rpm
207-552 kPa (2.1-5.6 kg/cm3; 30-80 psi) at 3,000 rpm
Fuel system
Type: Multiple-point fuel injection system
Ignition system
Type: Electronic ignition system with mechanical distributor
Spark plug: Champion RC12YC
Spark plug gap: 0.9 mm (0.0354 in)
Spark plug torque: 41.0 N·m (4.2 kg·m, 30.2 ft·lb)

Applications

Model Years Produced
Dodge Dakota 5.9L 1998–2003
Dodge Ram 5.9L 1992–2003
Dodge Ram Van 5.9L 1992–2003
Dodge Ram Wagon 5.9L 1992–2003
Dodge Durango 5.9L 1998–2003
Dodge Ramcharger 5.9L 1992–2001
Jeep Grand Cherokee 5.9 Limited 1998

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