Tune-Up - V8: Adjustments: Distributor

Calif. 5.0L and 5.8L models are equipped with Dura-Spark III ignition system. All other models are equipped with Dura-Spark II ignition system. No adjustments are required.

NOTE: The firing order for Bi-Level Rotors is as follows. The cap is wired: 1-5-7-8-6-3-4-2 and the firing order is 1-5-4-2-6-3-7-8. See Fig 1 .

Fig 1: 5.0L (VIN F, M & N) W/EEC-III (Bi-Level Rotor) Firing Order

Fig 2: 5.0L (VIN F, M & N) & 7.5L (VIN L) W/O EEC-III Firing Order

Fig 3: 5.0L (VIN M) & 5.8L (VIN G, H & W) W/EEC-III (Bi-Level Rotor) Firing Order

Fig 4: 5.0L H.O. (VIN E & M), 5.8L (VIN G, H & W) & 6.6L (VIN Z) W/O EEC-III V8 Firing Order