Engine data, Maintenance and specifications – FORD 2009 F-150 v.2 User Manual
Page 397
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ENGINE DATA
Engine
4.6L 2V V8
engine
4.6L 3V V8
engine
5.4L V8 engine
Cubic inches
281
281
330
Required fuel
87 octane
87 octane
87 octane or
Ethanol (E85)*
Firing order
1-3-7-2-6-5-4-8
1-3-7-2-6-5-4-8
1-3-7-2-6-5-4-8
Ignition system
Coil on plug
Coil on plug
Coil on plug
Spark plug gap
0.052–0.056 inch
(1.32–1.42mm)
0.039–0.043 inch
(1.0–1.1mm)
0.039–0.043 inch
(1.0–1.1mm)
Compression
ratio
9.4:1
9.8:1
9.85:1
*5.4L 3V FFV engines only.
2009 F-150 (f12)
Owners Guide, 2nd Printing
USA (fus)
Maintenance and Specifications
397
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