THUNDERBOLT IV AND V IGNITION SYSTEM - 4B-390-823225--1 1096
Distributor Advance Curves
MCM 5.0L ALPHA/MCM 5.0LX ALPHA/MCM 5.0L BRAVO
IMPORTANT: Distributor advance curve charts do not include the initial engine timing. Basic initial tim-
ing must be added to chart for total advance curve. The spark advance is controlled by the ignition mod-
ule.
Identification Mark: V8-22
Module Advance: 22 Degrees
Initial Timing: 8 Degrees BTDC
Total Advance: 30 Degrees
72723
MINUS INITIAL TIMING
TOTAL SPARK ADVANCE
ENGINE RPM
MAX.
MIN.