Firing Order & Timing Marks

Fig 1: Identifying Firing Order & Timing Marks (4.6L)

Fig 2: Identifying Spark Plug Wire Routing (4.6L)

Courtesy of FORD MOTOR CO.

V8 BASE IGNITION TIMING

Application	Degrees BTDC @ Idle
4.6L	(1)(2) 8-12
(1) Disconnect single in-line SPOUT connector, or remove shorting bar from double-wire SPOUT connector. (2) Timing is not adjustable.