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Page Title:
Table 1-2. General Torque Values (Foot-pounds torque) |
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 general torque values, to be used on nuts and bolts
where specific valves are not stated.
torque values for stated applications See table 1-2 for
Table 1-1. Special Torque Values
Ft-Lb.
Thread
Application
Torque
Size
Engine cylinder mounting
110-120
1/2-13
Cylinder head lifting
110-120
1/2-20
Thermostat housing and cylinder head
110-120
1/2-13
Water outlet
18-21
3/8-16
Manifold, intake and exhaust
32-35
7/ 16-20
Main bearing mounting
120-130
9/16-12
Connecting rod
45-50
3/8-24
Crankshaft pulley retaining
240-260
1-16
Pressure regulating screw
125-135
3/4-16
Lube oil filter mounting
45-50
1/2-13
Spark plugs
25-30
14MM
Table 1-2. General Torque Values (Foot-pounds torque)
Capscrew
Grade 2
Grade 5
Grade 8
NF
NC
NF
NC
NF
Size
NC
1/4
5-7
6-8
9-11
11-13
12-14
14-16
5/ 16
11-13
13-15
18-20
21-23
25-27
28-30
3/8
18-21
19-22
28-33
30-35
50-55
69-74
7/ 16
30-33
32-35
44-49
50-55
69-74
72-77
1/2
45-50
45-50
68-73
68-73
95-105
95-105
9/ 16
60-65
60-65
95-105
95-105
130-140
130-140
5/8
75-85
75-85
125-135
125-135
170-190
170-190
3/4
105-115
105-115
210-230
210-230
290-310
290-310
7/8
105-115
105-115
290-310
290-310
450-500
450-500
1
140-150
450-475
380410
1-2
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