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THUNDERBIRD

Engine Torque Values

Year
Engine
Spark
Plug
Cylinder
 Head 
Bolts
Intake
Manifold
Exhaust
Manifold
Rocker Arm
 Shaft 
Bracket
Rocker
 Arm 
Cover 
Connecting
Rod
Cap Bolts
Main 
Bearing
Cap Bolts
Flywheel
 to
 Crankshaft
Vibration
Damper to
Pulley
1959-60
8-292
15-20
65-75
23-28
23-28
12-15
2-2.5
45-50
95-105
75-85
85-95
8-352
15-20
80-90
23-28
23-28
40-45
4-7
45-50
95-105
75-85
130-145
8-430
15-20
95-105
23-28
23-28
40-45
4-7
45-50
95-105
75-85
75-90
1961-68
All
15-20
80-90
32-35
12-18 1
40-45
4-7
40-45
95-105
75-85
70-90
1968
8-429
15-20
130-140
25-30
28-33
65-75 2
2.5-4
40-45
95-105
75-85
75-90
1969-71
8-429
15-20
130-140
25-30
28-33
65-75 2
5-6
40-45
95-105
75-85
75-90
1972
8-400
10-15
95-105
3
12-16
18-25 2
3-5
40-45
95-105
-
70-90
1972-73
8-429, 460
15-20
130-140
25-30
28-33
18-25 2
5-6
40-45
95-105
75-85
70-90
1974-75
8-460
10-15
130-140
22-324
28-33
18-25 5
5-6
40-45
95-105
75-85
70-90
  Torque Specs are for clean and lightly oiled threads in Ft.-lbs.
1 - 1965-68  V8-390, 1966-67  V8-428, 18-24 ft.-lbs.,

2- Rocker arm stud to cylinder head.

3- 1/4" bolt 6-9 ft.-lbs., 5/16" bolt 21-25 ft.-lbs.,
    3/8" bolt 27-33 ft.-lbs
4- 1975 25-30 ft.-lbs

5- Rocker arm fulcrum bolt to cylinder head