THREAD
APPLICATION
SIZE
TORQUE TORQUE
(lb-ft)
(Nm)
108-122
80-90
1/2
-13
Crankshaft front cover bolts .................................
122-136
90-100
1/2
-13
Flywheel housing bolts .................................
41-47
30-35
1/2
-13
Generator drive bearing retaining bolt ......................
41-47
30-35
1/2
-13
Generator drive oil seal retaining bolt . . . . . . . . . . .
108-122
80-90
1/2
-13
Idler gear and dummy hub bolt . . . . . . . . . . .
122-136
90-100
1/2
-13
@Rocker shaft bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
41-47
30-35
1/2
-13
Tachometer drive cover bolt ...............................
75-88
55-65
1/2 -20
Blower rotor gear retaining nut ...............................
238-251
175-185
5/8 -11
**Cylinder head bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5/8 -11
**Main bearing bolts (assembly) ...............................
224-238
165-175
5/8 -ll
**Main bearing bolts (boring)...............................
238-251
175-185
**Cylinder head nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5/8 -18
211-251
155-185
**Main bearing nuts (assembly) ............................... 5/8 -18
190-211
140-155
5/8 -18
**Main bearing nuts (boring) ...............................
163-190
120-140
Accessory drive pulley nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3/4 -16
393-421
1
290-310
-14
Crankshaft end bolt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
407-441
300-325
Camshaft and balance shaft nut ............................... 1 1/8 -18
68-81
50-60
1 1/2 -16
Blower drive gear hub nut ...............................
*These specifications apply where bolts or studs are threaded into aluminum.
@75-85 lb-ft (102.115 Nm) torque on the two bolts attaching load limit or power control screw bracket (if used)
to the rocker arm shaft bracket.
**Lubricate at assembly with International Compound No. 2, or equivalent
STANDARD PIPE PLUG TORQUE SPECIFICATIONS
Use sealing compound on plugs without gaskets or teflon.
TORQUE
NPTF SIZE
TORQUE
NPTF SIZE
(lb-ft) (Nm)
THREAD
(lb-ft) (Nm)
THREAD
102-115
75-85
.................................
1
14-16
10-12
1/8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
115-129
85-95
1-1/16
.................................
19-22
1/4 .....................................................
14-16
1-1/4
.................................
95-105
129-143
24-30
18-22
3/8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
150-177
1-1/2
.................................
110-130
31-37
23-27
1/2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
45-50
33-37
3/4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .