ENGINE DATA
Engine14.6L V8 engine 5.4L V8 engine 6.8L V10 engine
Cubic inches 281 330 415
Required fuel87 octane or
(E-85)
287 octane 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 gap0.052–0.056 inch
(1.32–1.42mm)0.051–0.057 inch
(1.29–1.45mm)0.052–0.056 inch
(1.32–1.42mm)
Compression
ratio9.4:1 9.0:1 9.0:1
1Refer to the6.0 and 6.4 Liter Power Stroke Direct Injection Turbo
Diesel Owner’s Guide Supplementfor diesel engine information.
24.6L V8 FFV engines only.
Engine drivebelt routing
•4.6L V8, 5.4L V8 and 6.8L V10 engines without A/C
2009 Econoline(eco)
Owners Guide, 2nd Printing
USA(fus)
Maintenance and Specifications
309
