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Pontiac
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1988
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6000 V6-191 3.1L
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Repair and Diagnosis
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Specifications
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Mechanical Specifications
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Engine
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Cylinder Head Assembly
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Valve Spring
Valve Spring
Valve Spring
Free Length
48.5 mm (1.91 in.)
Pressure
Closed
400 N at 43 mm (90 lb. at 1.701 in.)
Open
956 N at 33 mm (215 lb. at 1.291 in.)
Installed Height
40.0 mm (1.5748 in.)
Approx. # of coils
4