ENGINE SPECIFICATIONS
Engine
5.4L V8 engine
6.8L V10 engine
Cubic inches
330
415
Required fuel
Minimum 87 octane or
E85
Minimum 87
Firing order
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
Spark plug gap
0.051–0.057 inch
(1.29–1.45 mm)
0.052–0.056 inch
(1.32–1.42 mm)
0.051–0.057 inch
(1.29–1.45 mm)
(With CNG Prep
Package)
Compression ratio
9.0:1
9.0:1
Engine Drivebelt Routing
•
5.4L V8 and 6.8L V10 engines without A/C
Capacities and Specifications
241
2015 Econoline
(eco)
Owners Guide gf, 2nd Printing, December 2014
USA
(fus)