FORD 2009 F-150 v.3 - Manual (Page 397)

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 (own2002), 3rd Printing
USA (fus)
Maintenance and Specifications
397