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Chevy Van G30, 5.7 M, 475/M40
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Ignition System - HEI
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Ignition System - HEI
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Description
Operation
Trouble Shooting
Testing
Notes
Engine Will Not Start
Engine Starts But Runs Rough
System Testing
Intermittent System Problems
Component Testing
Distributor Cap & Coil Testing
Distributor Pick-Up Coil
Capacitor
HEI Distributor Electronic Module
Electronic Spark Control (ESC) Testing
Notes
Detonation Problems
Poor Engine Performance Problems
Engine Starting Problems
Overhaul
Disassembly
Reassembly
Notes
Scope Instructions for Primary Parade Only:
Reading Scope Primary Pattern:
Typical Secondary Patterns
Notes
Secondary Voltage Patterns: