compression ratio FORD F150 2009 12.G Owners Manual
Page 394 of 405
ENGINE DATA
Engine4.6L 2V V8
engine4.6L 3V V8
engine5.4L V8 engine
Cubic inches 281 281 330
Required fuel87 octane 87 octane 87 octane or
Ethanol (E85)*
Firing order 1-3-7-2-6-5-4-8 1-3-7-2-6-5-4-8 1-3-7-2-6-5-4-8
Ignition system Coil on plug Coil on plug Coil on plug
Spark plug gap0.052–0.056 inch
(1.32–1.42mm)0.039–0.043 inch
(1.0–1.1mm)0.039–0.043 inch
(1.0–1.1mm)
Compression
ratio9.4:1 9.8:1 9.85:1
*5.4L 3V FFV engines only.
Engine drivebelt routing
2009 F-150(f12)
Owners Guide, 1st Printing
USA(fus)
Maintenance and Specifications
394