ENGINE BOLT SPECIFICATIONS
Triumphs, Morgan Plus 4s and 4/4s

Make
Cylinder Head
Cylinder Head
Connecting 
Rods
Connecting 
Rods
Main Bearings
Main Bearings
Flywheel
Flywheel
Model
Bolt Diameter Inches
Torque
lb.ft
 Bolt Diameter Inches
Torque
lb.ft		 Bolt Diameter Inches
Torque
lb.ft		 Bolt Diameter Inches
Torque
lb.ft
Triumph TR3 1/2 UNF 100-105 7/16 UNF 55-60 1/2 UNF 85-90 3/8 UNF 42-46
Triumph TR4-4A 1/2 UNF 100-105 7/16 UNF 55-60 1/2 UNF 85-90 3/8 UNF 42-46
Ford 105E 7/16 UNF 65-70 20-25 7/16 UNF 55-60 3/8 45-50

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