compression ratio FORD F SERIES MOTORHOME AND COMMERCIAL CHASSIS 2009 12.G Owners Manual

Your vehicle’s rear axle is filled with a synthetic rear axle lubricant and is
considered lubricated for life. These lubricants do not need to be
checked or changed unless a leak is suspected, service is required or the
axle assembly has been submerged in water. The axle lubricant should
be changed any time the rear axle has been submerged in water.
6Fill 1/4 inch to 9/16 inch (6 mm to 14 mm) below bottom of fill hole.
ENGINE DATA
Engine 6.8L V10 engine
Cubic inches 415
Required fuel 87 octane
Firing order 1-6-5-10-2-7-3-8-4-9
Ignition system Coil on plug
Spark plug gap 0.039-0.043 inch (1.00-1.10mm)
Compression ratio 9.2:1
IDENTIFYING YOUR VEHICLE
Certification label for incomplete vehicles
On completed derivations of incomplete vehicles, the certification label is
affixed at a location determined by a subsequent stage manufacturer of
the completed vehicle. In these cases the completed vehicle is
manufactured in two or more stages by two or more separate
manufacturers.
Vehicle Identification Number
The vehicle identification number is located near the cowl to the right of
the air filter.
If you ever find it necessary to communicate with Ford Motor Company
about your vehicle, always include the VIN in your communication.
2009 Motorhome(mot)
Supplement, 1st Printing
USA(fus)
Maintenance and Specifications
131