FixVault

6.8L Engine

WARNING: This page is about a different car, the 2003 Ford Econoline. However, it is still accessible from the selected car via links, so may be relevant.
TORQUE SPECIFICATIONS (6.8L)

Application Ft. Lbs. (N.m)
A/C Compressor Bolts 18 (25)
Battery Cable Frame Ground Bolt 9-11 (12-15)
Cylinder Head Temperature Sensor 19 (26)
EGR Bolts
Step 1 15 (20)
Step 2 (1)
EGR Tube Nut 30-44 (40-60)
Engine Coolant Temperature Sensor 15 (20)
EVAP Canister Nut 13 (18)
Fuel Tank Skid Plate Bolts 9-13 (12-18)
Fuel Tank Strap Fasteners (Aft)
Bolts 64-88 (87-119)
Nuts 56-75 (77-102)
Fuel Tank Strap Fasteners (Middle) 13-17 (18-23)
Heated Oxygen Sensor 34 (47)
Knock Sensor 18 (25)
Lower Generator Mounting Bolts 18 (25)
Spark Plugs 7-15 (9-20)
Upper Intake Manifold
Step 1 (2)
Step 2 18 (25)
INCH Lbs. (N.m) 
Air Cleaner Assembly Bolts 80 (9)
Battery Cable Nut 80-106 (9-12)
Camshaft Position Sensor Bolt 89 (10)
Crankshaft Position Sensor Bolts 89 (10)
Differential Pressure Feedback EGR System Bolts/Nuts 53 (6)
EGR Vacuum Regulator Solenoid Bolts/Nuts 53 (6)
EVAP Canister Purge Valve Screws 89 (10)
Fuel Control Harness Retaining Nuts 89 (10)
Fuel Injection Supply Manifold Bolts 71-97 (8-11)
Fuel Pressure Relief Valve Cap 6 (.5)
Fuel Pump Bolts 71-89 (8-10)
Idle Air Control Bolts 89 (10)
Ignition Coil Screws 44-62 (5-7)
Mass Airflow Sensor Nuts 89 (10)
Lower Intake Manifold
Step 1 18 (2)
Step 2 89 (10)
Powertrain Control Module Connector Bolt 53 (6)
Powertrain Control Module Mounting Nuts 35 (4)
Throttle Body-To-Manifold Bolts 71-89 (8-10)
Throttle Position Sensor Screws 27 (3)
Transmission Filler Tube Bracket Bolt 89 (10)
Upper Generator Support Bracket 89 (10)
(1) Plus an additional 90 degrees.
(2) Tighten to 18 INCH lbs. (2 Nm).