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Jeep Truck
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1999
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Wrangler L6-4.0L VIN S
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Timing Components
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Specifications
Timing Components: Specifications
VALVE TIMING :
Valve Overlap
42.6°
Exhaust Valve:
Closes
29.2°ATDC
Opens
49.8°BBDC
Duration
259°
Intake Valve:
Closes
60.9°ABDC
Opens
12.4° BTDC
Duration
253.3°