Dodge RAM TRUCK 1500 1995 Service Manual page 954

8 J L ENGINE 9 - 1 1 3
8.0L ENGINE
S E R V I C E
P R O C E D U R E S
page
Camshaft 129
Cylinder Head Cover 117
Cylinder Heads . . . 119
Engine Assembly 115
Engine Mount—Rear . . . . . . . r . . . . . . . . . . . . . . 114
Engine Mounts—Front 114
General Information 113
Hydraulic Tappets 124
Oil Pan . . . . . . 131
GENERAL INFORMATION
The 8.0 Liter (488 CID) ten-cylinder engine is a V-
Type lightweight, single cam, overhead valve engine
with hydraulic roller tappets (Fig. 1).
This engine is designed for unleaded fuel.
Engine lubrication system consists of a gerotor type
oil pump mounted in the timing chain cover and
driven by the crankshaft. The V-10 uses a full flow
oil filter.
Engine Type
90° V-10OHV
Bore and Stroke
101.6x98.6 mm (4.00x3.88 in.)
Displacement 8.0L (488 cu. in.)
Compression Ratio 8.4:1
Torque.. ...617 N T n (450 ft. lbs.) @ 2,400 rpm
Firing Order 1 -10-9-4-3-6-5-8-7-2
Lubrication ..Pressure Feed - Full Flow Filtration
(Direct Crankshaft Driven Pump)
Engine Oil Capacity.... 6.6L (7.0 Qts) w/filter
Cooling System Liquid Cooled - Forced Circulation
Cooling Capacity
...20.5L (21.75 Qts)
Cylinder Block..
.Cast Iron
Crankshaft Nodular Cast Iron
Cylinder Head
Cast Iron
Combustion Chambers Wedge-High Swirl
Camshaft Nodular Cast Iron
Pistons
Cast Aluminum Alloy
Connecting Rods Forged Steel
J9509-179
Fig. 1 Engine Description
page
Rocker Arms and Push Rods . . . . . . . . . . . . . . . . 118
Timing Chain Cover . . . . . . . . . . . . . . . . . . . . . . 126
Timing Chain Cover Oil Seal . . . . . . . . . . . . . . . . 128
Valve Components Replace—Cylinder Head Not
Removed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Valve Stem Seal and Spring Replacement . . . . . . 118
Valve Timing 125
Valves and Valve Springs 121
Vibration Damper 125
The cylinders are numbered from front to rear; 1,
3, 5, 7, 9 on the left bank and 2, 4, 6, 8, 10 on the
right bank. The firing order is 1-10-9-4-3-6-5-8-7-2
(Fig. 2).
The engine serial number is located on the lower
left front of the cylinder block in front of the engine
mount (Fig. 3). When component part replacement is
necessary, use the engine type and serial number for
reference.