Engine Data; Drivebelt Routing - Ford F-350 Owner's Manual

ENGINE DATA

Engine
Cubic inches
Required fuel
Firing order
Spark plug gap
Ignition system
Compression ratio
*The 5.4L 3V and 6.8L 3V spark plug gap CANNOT be adjusted.

Drivebelt routing

5.4L V8/6.8L V10 engines
2008 F-250/350/450/550 (f23)
Owners Guide (post-2002-fmt)
USA (fus)
Maintenance and Specifications
5.4L V8 engine
330
87 octane
1-3-7-2-6-5-4-8
1.02–1.28mm
(0.040–0.050 inch)*
Coil on plug
9.8:1
6.8L V10 engine
415
87 octane
1-6-5-10-2-7-3-8-4-9
1.02–1.28mm
(0.040–0.050 inch)*
Coil on plug
9.2:1
387