LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chrysler >> 1990 >> Imperial >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Adjustments >> Ignition Timing (3.3L)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Ignition Timing (3.3L)

NOTE: Basic timing is fixed and has no means of adjustment.
IGNITION TIMING (Degrees BTDC @ RPM)

Application Man. Trans. Auto. Trans.
2.2L & 2.5L TBI 12 @ 850 12 @ 850
2.2L Turbo 12 @ 990 12 @ 990
2.5L Turbo 12 @ 950 12 @ 900
3.0L 12 @ 800 12 @ 700
3.3L N/A 16 @ 750