Dodge 2000 DURANGO Service Manual page 589

9 - 80 4.7L ENGINE
SPECIFICATIONS (Continued)
DESCRIPTION
Exhaust
Opens (BTDC)
Closes (ATDC)
Duration
Valve Overlap
Face Angle
Head Diameter
Intake
Exhaust
Length (Overall)
Intake
Exhaust
Stem Diameter
Intake
Exhaust
Stem - to - Guide
Clearance
Intake
Exhaust
Max. Allowable Stem -
to -
Guide Clearance
(Rocking Method)
Intake
Exhaust
Valve Lift (Zero Lash)
Intake
Exhaust
VALVE SPRING
Free Lenght (Approx)
Intake and Exhaust
SPECIFICATION
232.5°
21.2°
253.70°
17.6°
VALVES
45° - 45.5°
48.52 - 48.78 mm
(1.9103 - 1.9205 in.)
36.87 - 37.13 mm
1.4516 - 1.4618 in.)
113.45 - 114.21 mm
(4.4666 - 4.4965)
114.92 - 115.68 mm
(4.5244 - 4.5543 in.)
6.931 - 6.957 mm
(0.2729 - 0.2739 in.)
6.902 - 6.928 mm
(0.2717 - 0.2728 in.)
.018 -.069 mm
(0.0008 - 0.0028 in.)
.047 -.098 mm
(0.0019 - 0.0039 in.)
0.069 mm (0.0028 in.)
0.098 mm (0.0039 in.)
11.25 mm (0.443 in.)
10.90 mm (0.4292 in.)
48.6 mm (1.9134 in.)
DESCRIPTION
Spring Force (Valve
Closed)
Intake and Exhaust
Spring Force (Valve
Open)
Intake and Exhaust
Number of Coils
Intake and Exhaust
Wire Diameter
Intake and Exhaust
Installed Height
(Top of Valve Stem Seal
to Bottom of Retainer)
Nominal
Early Build
Intake
Exhaust
Late Build
Intake
Exhaust
CYLINDER HEAD
Gasket Thickness
(Compressed)
Valve Seat Angle
Valve Seat Runout (MAX)
Valve Seat Width
Intake
Exhaust
Guide Bore Diameter (Std.)
Cylinder Head Warpage
(Flatness)
2000 DN Service Manual
Publication No. 81-370-0016
TSB 26-12-99 December, 1999
SPECIFICATION
315.5 - 352.5 N @ 40.89
mm
(70.92722 - 79.24515 lbs.
@ 1.6099 in.)
786.0 - 860.0 N @ 29.64
mm
176.6998 - 193.3357 lbs.
@ 1.167 in.)
6.69
4.2799 - 4.3561 mm
(0.1685 - 0.1715 in.)
40.97 mm (1.613 in.)
40.81 mm (1.606 in.)
40.11 mm (1.5792 in.)
40.13 mm (1.58 in.)
.7 mm (0.0276 in.)
44.5° - 45.0°
0.051 mm (0.002 in.)
1.75 - 2.36 mm
(0.0698 - 0.0928 in.)
1.71 - 2.32 mm
(0.0673 - 0.0911 in.)
6.975 - 7.00 mm
(0.2747 - 0.2756 in.)
0.0508 mm (0.002 in.)
DN