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
Coil on plug
Coil on plug
Coil on plug
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)