Tune-Up - V8: Adjustments: Distributor

On 5.0L models, the TFI-IV ignition system is used. On 5.8L Police models, the Dura Spark II with UIC (Universal Integrated Circuit) ignition system is used. No adjustments are required on either system.

Fig 1: 5.0L SFI Firing Order & Timing Marks (Exc. Mark VII LSC & Mustang)

Fig 2: 5.0L SFI H.O. (Mark VII LSC & Mustang) & 5.8L 2-Bbl. Firing Order & Timing Marks