compression ratio FORD F250 2013 Owners Manual
Page 390 of 577
ENGINE SPECIFICATIONS
Engine 6.2L V8 engine 6.8L V10 engine
Cubic inches 378 413
Required fuelMinimum 87 octane or
Ethanol (E85)Minimum 87 octane
Firing order 1-5–4–8–6–3–7–2 1-6-5-10-2-7-3-8-4-9
Spark plug gap0.041–0.047 inch
(1.04–1.20 mm)0.039–0.043 inch
(1.0–1.1 mm)
Ignition system Coil on plug Coil on plug
Compression ratio 9.8:1 9.2:1
Engine Drivebelt Routing
6.2L V8 engine
Capacities and Specifications389
2013 F-250/350/450/550(f23)
Owners Guide gf, 3rd Printing, December 2012
USA(fus)