Maintenance and Specifications
ENGINE DATA
Engine
Cubic inches
Fuel
Firing order
Ignition system
Spark plug gap
Compression ratio
334
2011 Navigator (nav)
Owners Guide, 1st Printing
USA (fus)
5.4L V8 Engine
330
87 octane or (E-85)
1-3-7-2-6-5-4-8
Coil on plug
0.039–0.043 inch (1.05 +/–
0.05mm)
9.8:1