Overall width ----------------------------------------------------------------------------------------- 1 5/8.
Chamfer ----------------------------------------------------------------------------------------------- x 45.
Treatment--------------------------------------------------------------------------------------------- Heat to 1526.1550,
quench in oil, draw;
Rockwell "C"-34-38
223. Torque Wrench Data
Note. Specifications given apply for clean, dry threads. Reduce torque 10% when the threads are
clean and oiled.
a. Cylinder Head.
Limit in foot.
Bolt size
pounds torque
3/8 ------------------------------------------------------------------------------------------------------ 35-40
7/16 ---------------------------------------------------------------------------------------------------- 70-75
1/2 ------------------------------------------------------------------------------------------------------ 100-110
9/16 ---------------------------------------------------------------------------------------------------- 130-140
5/8 ------------------------------------------------------------------------------------------------------ 145-155
b. Main Bearing Cap and Connecting Rod.
Limit in foot.
Bolt Size
pounds torque
5/16 ---------------------------------------------------------------------------------------------------- 20-25
3/8 ------------------------------------------------------------------------------------------------------ 35-40
7/16 ---------------------------------------------------------------------------------------------------- 70-75
1/2 ------------------------------------------------------------------------------------------------------ 85-95
9/16 ---------------------------------------------------------------------------------------------------- 100-110
c. Manifolds.
Limit in foot.
Bolt size
pounds torque
5/16 ---------------------------------------------------------------------------------------------------- 15-20
3/8 ------------------------------------------------------------------------------------------------------ 35-40
7/16 ---------------------------------------------------------------------------------------------------- 60-55
1/2 ------------------------------------------------------------------------------------------------------ 80-90
9/16 ---------------------------------------------------------------------------------------------------- 100-110
5/8 ------------------------------------------------------------------------------------------------------ 130-140
d. Gear Cover, Water Pump, Front and Rear End Plates, Oil Pan.
Limit in foot.
Bolt size
pounds torque
5/16 ---------------------------------------------------------------------------------------------------- 15-20
3/8 ------------------------------------------------------------------------------------------------------ 25-30
7/16 ---------------------------------------------------------------------------------------------------- 50-55
1/2 ------------------------------------------------------------------------------------------------------ 80-90
e. Flywheel.
Limit in foot.
Bolt size
pounds torque
5/16 ---------------------------------------------------------------------------------------------------- 20-25
3/8 ------------------------------------------------------------------------------------------------------ 35-40
7/16 ---------------------------------------------------------------------------------------------------- 70-75
1/2 ------------------------------------------------------------------------------------------------------ 85-95
9/16 ---------------------------------------------------------------------------------------------------- 100-110
5/8 ------------------------------------------------------------------------------------------------------ 145-155
358