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The Shop Manual for the '73 F100 list the intake to Head torque as: 40-45 Ft-Lbs.
The Head to Block step 1 is: 70 Ft-Lbs.
Step 2 is: 80 Ft-Lbs.
Step 3 is: 80-90 Ft-Lbs.
The '74 should be the same.
Hope this helps.