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1983
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Diplomat V8-318 5.2L VIN S 4-BBL
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Repair and Diagnosis
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Vacuum and Vapor Hose Diagrams
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Emission Control Systems
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Orifice Spark Advance Control (OSAC) Valve
Orifice Spark Advance Control (OSAC) Valve
Fig. 11 OSAC valve vacuum hose routing. 1983 V8-318/5.2L: