Dodge 2001 Ram 1500 Owner's Manual page 1332

BR/BE
ENGINE 8.0L (Continued)
DESCRIPTION
CYLINDER HEAD AND VALVES
Valve Seat Angle
Runout (Max.)
Width (Finish) – Intake
Valve Face Angle
Valve Head Diameter
Intake
Exhaust
Overall Length
Intake
Exhaust
Lift (@ zero lash)
Intake
Exhaust
Stem Diameter
Guide Bore
Stem to Guide Clearance
Service Limit
Valve Spring Free Length
Spring Tension
Valve Closed
Valve Open
Number of Coils
Installed Height
Wire Diameter
SPECIFICATION
44.5°
0.0762 mm (0.003 in.)
1.016 – 1.524 mm
(0.040 – 0.060 in.)
45°
48.640 – 48.900 mm
(1.915 – 1.925 in.)
41.123 – 41.377 mm
(1.619 – 1.629 in.)
145.19 – 145.82 mm
(5.716 – 5.741 in.)
145.54 – 146.18 mm
(5.730 – 5.755 in.)
9.91 mm (0.390 in.)
10.34 mm (0.407 in.)
7.900 – 7.920 mm
(0.311 – 0.312 in.)
9.500 – 9.525 mm
(0.374 – 0.375 on.)
0.025 – 0.076 mm
(0.001 – 0..003 in.)
0.4318 (0.017 in.)
49.962 mm (1.967 in.)
378 N @ 41.66 mm
(85 lbs. @ 1.64 in.)
890 N @ 30.89 mm
(200 lbs. @ 1.212 in.)
6.8
41.66 mm (1.64 in.)
4.50 mm (0.177 in.)
DESCRIPTION
HYDRAULIC TAPPETS
Body Diameter
Clearance (to bore)
Dry Lash
Push Rod Length
OIL PRESSURE
Curb Idle (Min.*)
@ 3000 rpm
* If oil pressure is zero at curb idle, DO NOT RUN
ENGINE.
OIL PUMP
Clearance over Rotors
(Max.)
Cover Out of Flat (Max.)
Inner Rotor Thickness
(Min.)
Outer Rotor
Clearance (Max.)
Diameter (Min.)
Thickness (Min.)
Tip Clearance between
Rotors
(Max.)
PISTONS
Clearance at Top of Skirt
Piston Length
Piston Ring Groove
Depth
#1&2
ENGINE 8.0L
SPECIFICATION
22.949 – 22.962 mm
(0.9035 – 0.9040 in.)
0.0203 – 0.0610 mm
(0.0008 – 0.0024 in.)
1.524 – 5.334 mm
(0.060 – 0.210 in.)
195.52 – 196.02 mm
(7.698 – 7.717 in.)
83 kPa (12 psi)
345 – 414 kPa (50 – 60
psi)
0.1906 mm (0.0075 in.)
0.051 mm (0.002 in.)
14.925 – 14.950 mm
(0.5876 – 0.5886 in.)
0.1626 mm (0.006 in.)
82.461 mm (3.246 in.)
14.925 mm (0.5876 in.)
0.584 mm (0.0230 in.)
0.013 – 0.038 mm
(0.0005 – 0.0015 in.)
82.5 mm (3.25 in.)
91.30 – 91.55 mm
(3.594 – 3.604 in.)
#3 92.90 – 93.15 mm
(3.657 – 3.667 in.)
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