Section 03-07A: Ignition, Distributor | 1997 F-Series with Gasoline Engines Workshop Manual |
Refer to the following illustrations for cylinder numbering of block and distributor for firing orders and timing mark locations.
Refer to the OBD1 Powertrain Control/Emissions Diagnosis Manual for ignition timing procedures of the distributor ignition (DI) system. Base ignition timing is preset at 10° ± 2° BTDC.
Cylinder Numbering, Firing Order and Timing Mark Location — 4.9L Engine
Cylinder Numbering, Firing Order and Timing Mark Location — 5.8L Engine
Cylinder Numbering, Firing Order and Timing Mark Location — 5.0L and 7.5L Engines
