ENGINE DATA
Engine 4.6L V8 engine 5.4L V8 engine 6.8L V10 engine
Cubic inches 281 330 415
Required fuel
Minimum
87 octane or
E85
1
Minimum
87 octane or
E85
1
Minimum
87 octane
Firing order 1-3-7-2-6-5-4-8 1-3-7-2-6-5-4-8 1-6-5-10-2-7-3-8-4-9
Ignition
system
Coilonplug Coilonplug Coilonplug
Spark plug
gap
0.041–0.047 inch
(1.04–1.20mm)
0.051–0.057 inch
(1.29–1.45mm)
0.051–0.057 inch
(1.29–1.45mm)
Compression
ratio
9.38:1 9.0:1 9.0:1
1
4.6L V8 and 5.4L V8 FFV engines only.
Engine drivebelt routing
• 4.6L V8, 5.4L V8 and 6.8L V10 engines without A/C
Maintenance and Specifications
303
2011 Econoline (eco)
Owners Guide, 3rd Printing
USA (fus)
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