Case 130 - Torque Specifications; General Torque Specification Tables; Special Engine Torque Specifications

GENERAL TORQUE SPECIFICATION TABLE (Revised 5-64)
USE THE FOLLOWING TORQUES WHEN SPECIAL TORQUES ARE NOT GIVEN
NOTE: These values apply to fasteners as received from supplier.
dry,
or when
lubricated with normal engine oil. They do not apply
if
special graphited
or
moly-disulphide greases or other extreme pressure lubricants are
used. This applies
to
both UNF
and
UNC threads.
SAE Grade No.
5
8*
Bolt head identification
C)
0
©
0
@ @
marks as per grade
Note: Manufacturing
\
Marks Will Vary
Torque Foot Pounds Torque Foot Pounds
Bolt Size
Min. Max.
Min. Max.
1/4"
9
11
12
15
5/16
15
18
24
28
3/8
35
40
45
50
7/16
54
60
70 80
1/2
80
90
110
125
9/16
110
120
160
180
S/8
150
165
220
240
3/4
260
280
380 420
7/8
360 400
600 660
1"
540 600
900 1000
1-1/8
720
800
1280 1440
1-1/4
1000
1100
1800
2000
1-3/8
1460
1680
2380
2no
1-1/2
1940
2200
3160
3560
*
Thick nuts must be used with Grade 8 bolts
GENERAL ENGINE TORQUE SPECIFICATION TABLE
'
Torque Inch Pounds Torque Foot Pounds
1
Thread Size
UNC
UNF UNC UNF
Bolt Size
1/4"
70
85
5116
150 165
3/8
22
25
7/16
35
45
1/2
50
70
SPECIAL ENGINE TORQUE SPECIFICATIONS
Cylinder
Head
Bolts* -------------------- Torque to
280
Inch Lbs .• Loosen, Retorque
to
300
Inch Lbs.
Connecting Rod Bolt* ------------------------------------------- Torque
to 300 Inch
Lbs.
Flywheel Nut --------------------------------------------------
Torque to 100 Ft.
Lbs.
Spark
Plug -------------------------------------------------- Torque to 27 Ft. Lbs.
*Lubricate With Grease Upon Assembly
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