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Home >> Oldsmobile >> 1997 >> Aurora V8-4.0L VIN C >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> Valve Spring
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Valve Spring

Free Length 40.4 mm (1.591 inches)
Force Required To Compress:
Valve Closed 205 N at 30.3 mm (46 lbs. at 1.19 inches)
Valve Open 409 N at 21.7 mm (92 lbs. at 0.854 inches)
Installed Height 30.3 mm (1.19 inches)
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