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Home >> Oldsmobile >> 2002 >> Aurora V8-4.0L VIN C >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> Valve Spring
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Valve Spring

Valve Springs Length Installed 1.3780 inch
Free 1.6059-1.7201 inch
Valve Closed 1.3780 inch
Valve Open 0.9646 inch
Force, Valve Closed 47.5-52.5 lb
Valve Open 130.2-141.9 lb
Diameter Inside 0.6988-0.7185 inch
Outside 1.0327 inch
Wire, Ovate 0.1618 x 0.1291 inch
Coil Direction Clockwise
Total Number of Coils 6.90 - 7.10
Identifier Orange