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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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Powertrain Management
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Ignition System
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Technical Service Bulletins
Ignition System: Technical Service Bulletins
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Fuel/Ignition Modules - Use of Aftermarket Microchips
All Technical Service Bulletins
Fuel/Ignition Modules - Use of Aftermarket Microchips
Engine - Tune-Up Specifications
Spark Plugs - Revised Plugs and Tightening Torque
Spark Plugs - Install With Threads Clean and Dry