Dodge Viper SRT-10 (ZB). Manual — part 169
CONNECTING RODS
DESCRIPTION
SPECIFICATION
Metric
Standard
Bearing Clear-
ance
0.005-0.074
mm.
0.0002-0.0029
in.
Desired
0.0381 mm
0.0015 in.
Wear Limit
0.0889 mm
0.0035 in.
Piston Pin Boar
Diameter
23.940-23.978
mm
0.9425-0.9440
in.
Side Clearance
(Two Rods)
0.25-0.46 mm
0.010-0.018 in.
Wear Limit
0.51 mm
0.020 in.
Total Weight
(Less Bearing)
598.4 grams
21.11 oz.
PISTONS
DESCRIPTION
SPECIFICATION
Metric
Standard
Piston Size
102.314-
102.332 mm.
4.0281-4.0288
in.
Clearance at
Top of Skirt (12
mm from bot-
tom)
0.025-0.055
mm.
0.0010-0.0022
in.
Land Clearance
(Diametrical)
0.771-0.808
mm
-0.036–0.042 in.
Weight
429-439 grams
15.13-15.49 oz.
Piston Length
57.0 mm
2.24 in.
Piston Pin Boar
Diameter
23.940-23.978
mm
0.9425-0.9440
in.
Piston Pin Boar
Offset
0.800 mm
0.031 in.
Piston Ring
Groove Depth
No.1
91.55-91.88
mm
3.604-3.614 in.
Piston Ring
Groove Depth
No.2
90.75-91.00
mm
3.573-3.583 in.
Piston Ring
Groove Depth
No.3
92.53-92.79
mm
3.643-3.653 in.
PISTON PINS
DESCRIPTION
SPECIFICATION
Metric
Standard
Clearance in
Piston
0.009-0.022
mm
0.0004-0.0009
in.
Clearance in
Connecting Rod
0.017-0.061
mm
0.0007-0.0024
in.
Diameter
23.995-24.000
mm
0.9447-0.9449
in.
Length
73.35 mm
2.888 in.
End Play
None
PISTON RING
DESCRIPTION
SPECIFICATION
Metric
Standard
Piston Ring
End Gap
Top Compres-
sion Ring
0.20-0.36 mm
0.008-0.014 in.
Second Com-
pression Ring
0.56-0.79 mm
0.022-0.031 in.
Oil Control
(Steel Rails)
0.25-0.76 mm
0.010-0.030 in.
Wear Limit-Top
Compression
Ring
0.63 mm
0.025 in.
Wear Limit-2nd
Compression
Ring
1.40 mm
0.055 in.
Wear Limit-Oil
Control Steel
Rails
1.64 mm
0.065 in.
Piston Ring
Side Clearance
Top and 2nd
Compression
Ring
0.040-0.085 mm
0.0016-0.0033
in.
Oil Ring (Steel
Ring)
0.046-0.201 mm
0.0018-0.0079
in.
Wear Limit- Top
and 2nd Ring
0.10 mm
0.004 in.
Wear Limit Oil
Ring Pack
0.216 mm
0.0085 in.
Piston Ring
Width
Compression
Rings
1.407-1.490 mm
0.0579-0.0586
in.
Oil Ring (Steel
Rails)
0.447-0.473 mm
0.0176-0.0186
in.
9 - 18
ENGINE
ZB
ENGINE - 8.3L (Continued)
CAMSHAFT
DESCRIPTION
SPECIFICATION
Metric
Standard
Lift
8.13 mm
0.320 in.
Journal Diameter
1-6
53.09-53.11 mm
2.090-2.091 in.
Boar Diameter
No.1-6
53.16-53.19 mm
2.093-2.094 in.
Diametrical
Clearance
0.051-0.102 mm
0.002-0.004 in.
Max. Allowable
0.127 mm
0.005 in.
End Play
0.127-0.381 mm
0.005-0.015 in.
Valve Timing-
Exhaust Valve
Closes (ATC)
36.5°
Opens (BBC)
88.5°
Duration
305.0°
Valve Timing-
Intake Valve
Closes (BTDC)
86.5°
Opens
23.5°
Duration
297.0°
Valve Overlap
60.0°
HYDRAULIC TAPPETS
DESCRIPTION
SPECIFICATION
Metric
Standard
Body Diameter
22.949-22.962
mm
0.9035-0.9040
in.
Clearance in
Block
0.013-0.043
mm
0.0005-0.0017
in.
Plunger Travel
(Dry)
4.24 mm
0.167 in.
Push Rod
Length (Overall)
193.22-193.73
mm
7.607-7.627 in.
CYLINDER HEAD
DESCRIPTION
SPECIFICATION
Metric
Standard
Gasket Thick-
ness (Com-
pressed)
1.35 mm
0.053 in.
CYLINDER HEAD VALVE SEAT
DESCRIPTION
SPECIFICATION
Metric
Standard
Seat Angle
44°-44.5°
Runout (Max.)
0.038 mm
0.002 in.
Width (Finish)
Intake and
Exhaust
1.02-1.52 mm
0.040-0.060 in.
Guide Bore
Diameter (Std.)
7.95-7.98 mm
0.313-0.314 in.
VALVES
DESCRIPTION
SPECIFICATION
Metric
Standard
Face Angle
45-45.5°
Back Cut Angle
25°-29°
Stem Diameter-
Intake and
Exhaust
7.90-7.92 mm
0.331-0.312 in.
Head Diameter-
Intake
50.67-50.93
mm
1.995-2.005 in.
Head Diameter-
Exhaust
40.01-40.26
mm
1.575-1.585 in.
Length-Intake
(Over All)
145.69-146.33
mm
5.736-5.761 in.
Length-Exhaust
(Over All)
146.23-146.86
mm
5.757-5.782 in.
Valve Margin-
Intake
1.30 mm
0.051 in.
Valve Margin-
Exhaust
2.03 mm
0.080 in.
Lift-Intake (Zero
Lash
14.06 mm
0.554 in.
Lift-Exhaust
(Zero Lash)
14.06 mm
0.554 in.
Valve Stem Tip
Height
52.96 mm
2.085 in.
Stem-to-Guide
Clearance-In-
take and
Exhaust
0.025-0.076
mm
0.001-0.003 in.
Max. Allowable-
Intake (Rocking
Method)
0.50 mm
0.020 in.
Max. Allowable-
Exhaust (Rock-
ing Method)
0.70 mm
0.027 in.
ZB
ENGINE
9 - 19
ENGINE - 8.3L (Continued)
VALVE SPRING
DESCRIPTION
SPECIFICATION
Metric
Standard
Free Length -
Spring
55.0 mm
2.165 in.
Free Length -
Spring Damper
47 mm
1.850 in.
Spring Tension
(Valve Closed)
534 ± 20 N @
44.5 mm
120 ± 4.5 lbs.
@ 1.750 in.
Spring Tension
(Valve Open)
1245 ± 40 N
@ 30.6 mm
280 ± 9.0 lbs.
@ 1.207 in.
Number of
Coils - Spring
7.25 Right Hand Twist
Number of
Coils - Spring
Damper
3.6 to 4.0 Left Hand Twist
Wire Diameter
(Ovate)
4.2 x 5.3 mm
0.166 x 0.208
in.
Installed Height
(Spring Seat to
Bottom of
Retainer)
44.5 mm
1.750 in.
LUBRICATION
DESCRIPTION
SPECIFICATION
Metric
Standard
At Curb Idle
Speed* (Mini-
mum with
engine at oper-
ating tempera-
ture)
68.9 kPa
10 psi
At 3000 RPM
310-517 kPa
45-75 psi
caution:
*If pressure is ZERO at curb idle, DO NOT run
engine at 3000 rpm.
OIL PUMP
DESCRIPTION
SPECIFICATION
Metric
Standard
Clearance Over
Rotors (Max.)
0.077 mm
0.003 in.
Cover Out-Of-
Flat (Max.)
0.076 mm
0.003 in.
DESCRIPTION
SPECIFICATION
Metric
Standard
Inner Rotor
Thickness
(Min.)
18.92 mm
0.744 in.
Clearance
(Max.)
0.19 mm
0.007 in.
Diameter (Min.)
82.45 mm
3.246 in.
Thickness
(Min.)
18.92 mm
0.744 in.
Tip Clearance
Between Rotors
(Max)
0.150 mm
0.0068 in.
TORQUE
DESCRIPTION
N·m
Ft.
Lbs.
In.
Lbs.
A/C Compressor Mounting—Bolts
23
—
200
A/C Compressor Bracket—Bolts
23
—
200
Camshaft Position Sensor—Bolt
11
—
95
Camshaft Sprocket—Bolts
23
—
200
Camshaft Thrust Plate—Bolts
24
—
210
Connecting Rod Cap—Bolts
68
50
—
Crankshaft Main Bearing Cap—
Bolts
(Refer to
CRANKSHAFT
- INSTALLA-
TION)
Crankshaft Oil Scraper—Nuts
23
—
200
Crankshaft Pulley—Bolts
23
—
200
Crankshaft Vibration Damper—Bolt
176
130
—
Cylinder Head—Bolts
(Refer to CYL-
INDER HEAD -
INSTALLA-
TION)
Cylinder Head Cover—Bolts/Studs
11
—
95
Exhaust Manifold
23
—
200
Exhaust Pipe V-Band Clamp
11
—
100
Engine Mount Bracket-to-Block—
Bolts
41
30
—
Engine Mount Insulator—Nuts
102
75
—
Flywheel to Crankshaft—Bolts
75
55
—
Generator Mounting—Bolts
41
30
—
Intake Manifold—Bolts
11
—
95
Oil Cooler—Bolts
5
—
40
Oil Cooler Line Fitting
68
50
—
Oil Pan—Bolts
9 - 20
ENGINE
ZB
ENGINE - 8.3L (Continued)
DESCRIPTION
N·m
Ft.
Lbs.
In.
Lbs.
1/4–20
11
—
95
5/16–18
23
—
200
Oil Pan Drain—Plug
34
25
—
Oil Pressure Relief Valve—Plug
34
25
—
Oil Pump Cover—Bolts
23
—
200
Oil Pump Pick-up Tube
Bolt 1/4–20
11
—
95
Nut 5/16–18
23
—
200
Oil Filter
18
—
160
Oil Pressure Sensor
8.5
—
75
Oil Temperature Sensor
8.5
—
75
Power Steering Pump Mounting—
Bolts
23
—
200
Rear Crankshaft Seal Retainer—
Bolts
11
—
95
Rocker Arm—Bolts
35
26
—
Spark Plugs
27
20
—
Starter Mounting—Bolts
41
30
—
Throttle Body—Bolts
11
—
95
Timing Chain Cover—Bolts
23
—
200
Water Pump Mounting—Bolts
11
—
95
SPECIAL TOOLS
ENGINE
Engine Lift Brackets 9057
Crankshaft Insert 8194
Crankshaft Damper/Sprocket Installer 9055
Crankshaft Sprocket Remover 9056
Puller 5048
ZB
ENGINE
9 - 21
ENGINE - 8.3L (Continued)
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