ENGINE DATA
Engine
5.4L V8 engine
Cubic inches
330
Required fuel
87 octane
Firing order
1-3-7-2-6-5-4-8
Ignition system
Coil on plug
Spark plug gap
1
0.040–0.050 inch (1.02–1.27 mm)
Compression ratio
9.85:1
1
Spark plug gap not adjustable
Engine drivebelt routing
•
5.4L V8 Engine
2007 Navigator
(nav)
Owners Guide (post-2002-fmt)
USA
(fus)
Maintenance and Specifications
300