Operation CHARM
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Porsche
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1986
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928 S V8-4957cc 5.0L
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Tune-up and Engine Performance Checks
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Technical Service Bulletins
Tune-up and Engine Performance Checks: Technical Service Bulletins
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Tools - Auto Scopemeter & Engine Analyzer
Tools - Sun Sleuth Diagnostic Unit Available
Spark Plugs - Install With Threads Clean and Dry
Spark Plugs - Revised Plugs and Tightening Torque
Emissions - Basic Equipment and Tune-Up Specifications.
Engine Performance - Checking Idle Speed and CO