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V8 Ignition Timing Specifications

V8 BASE IGNITION TIMING

Application &/or Calibration Code

⁽¹⁾ (Degrees BTDC @ RPM)

5.0L PFI

8-22D-R00

10 @ 550-650

8-22L-R00

10 @ 550-675

9-21A-R00

Auto.Trans.

10 @ 575-725

Man.Trans.

10 @ 625-775

9-21C-R00

Auto. Trans.

10 @ 575-725

Man. Trans.

10 @ 625-775

9-22A-R00

Auto.Trans.

10 @ 575-725

Man. Trans.

10 @ 625-775

All Other Calibrations

10 @ 525-650

5.8L 2-Bbl.

14 @ 600

⁽¹⁾	With automatic transmission in Drive.

V8 COMPUTED IGNITION TIMING

Application

(Degrees BTDC @ RPM)

5.0L PFI

Crown Victoria, Grand Marquis & Town Car

20-23 @ 700-750

Mark VII

24-25 @ 690-720

5.0L MA PFI ⁽¹⁾

20 @ 670-700

⁽¹⁾	MA engine is a High Output engine with Mass Airflow Meter.