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Ignition Timing

NOTE: For timing adjustment procedures, see ADJUSTMENTS article.
IGNITION TIMING (Degrees BTDC @ RPM)

Application (1) Man. Trans. (2) Auto. Trans.
4.3L (VIN W) (3) (3) *
5.7L (VIN R) 0 @ Idle 0 @ Idle
7.4L (VIN J) 0 @ Idle 0 @ Idle
(1) With transmission in Neutral.
(2) With transmission in Neutral or Park.
(3) Timing is not adjustable.
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