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Home >> Ford >> 2003 >> Excursion 4WD V10-6.8L VIN S >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> Valve Spring
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Valve Spring

Valve Spring Compression Pressure
Intake (N @ Spec. Length) 667.3 N @ 28.02 mm
Exhaust (N @ Spec. Length) 667.3 N @ 28.02 mm
Valve Spring Free Length
Intake 50.2 mm
Exhaust 50.2 mm
Valve Spring Installed Pressure N @ Spec. Length
Intake 289.1 N @ 40.01 mm
Exhaust 289.1 N @ 40.01 mm
Valve Springs Installed Pressure N @ Spec. Length - Service Limit
Intake 274.6 mm @ 40.01 mm
Exhaust 274.6 mm @ 40.01 mm
Valve Springs - Out of Square Limit
Intake 2.5 degrees
Exhaust 2.5 degrees