compression ratio FORD SUPER DUTY 2011 3.G Owners Manual
Page 404 of 441
ENGINE DATA
Engine 6.2L V8 engine 6.8L V10 engine
Cubic inches 378 413
Required fuel 87 octane 87 octane
Firing order 1-3-7-2-6-5-4-8 1-6-5-10-2-7-3-8-4-9
Spark plug gap0.039–0.043 inch
(1.0–1.1mm)0.039–0.043 inch
(1.0–1.1mm)
Ignition system Coil on plug Coil on plug
Compression ratio 9.8:1 9.2:1
Engine drivebelt routing
6.2L V8 engine
6.8L V10 engine with A/C
Maintenance and Specifications
404
2011 F-250/350/450/550(f23)
Owners Guide, 1st Printing
USA(fus)