compression ratio FORD E SERIES 2012 4.G Owners Manual
Page 300 of 335
ENGINE DATA
Engine 4.6L V8 engine 5.4L V8 engine 6.8L V10 engine
Cubic inches 281 330 415
Required fuelMinimum
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
systemCoilonplug Coilonplug Coilonplug
Spark plug
gap0.041–0.047 inch
(1.04–1.20 mm)0.051–0.057 inch
(1.29–1.45 mm)0.052–0.056 inch
(1.32–1.42 mm)
Compression
ratio9.38:1 9.0:1 9.0:1
14.6L 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
300
2012 Econoline(eco)
Owners Guide, 1st Printing
USA(fus)