LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 1995 >> Forward Control 4.3 Z, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Controls - Specifications - 7.4L) >> Ignition System >> Ignition Timing
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Ignition Timing

WARNING: This page is about a different variant/trim than selected.
NOTE: For timing adjustment procedures, see ADJUSTMENTS - 7.4L article in the ENGINE PERFORMANCE section.
IGNITION TIMING

Application (1) Man. Trans. (2) Auto. Trans.
7.4L (VIN N) 4 @ Idle 4 @ Idle
(1) With transmission in Neutral.
(2) With transmission in Neutral or Park.