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ENGINE DATA
Engine
4.2L V6 engine
4.6L V8 engine
5.4L V8 engine
Cubic inches
256
281
330
Required fuel
87 octane
87 octane
87 octane or
Ethanol (E85)
2
Firing order
1-4-2-5-3-6
1-3-7-2-6-5-4-8
1-3-7-2-6-5-4-8
Ignition system
EDIS
Coil on plug
Coil on plug
Spark plug gap
0.052–0.056 inch
(1.32–1.42mm)
0.052–0.056 inch
(1.32–1.42mm)
0.040–0.050 inch
(1.02–1.28mm)
1
Compression
ratio
9.3:1
9.37:1
9.85:1
1
The 5.4L 3V spark plug gap can’t be adjusted.
2
5.4L 3V FFV engines only.
Engine drivebelt routing
•
4.2L V6 Engine
2007 F-150
(f12)
Owners Guide (post-2002-fmt)
USA
(fus)
Maintenance and Specifications
360