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Buick
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1997
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Regal V6-3100 3.1L VIN M SFI
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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
Approx. # of coils
6.55
DIMENSIONS
Free Length
48.5 mm (1.89 inches)
Installed Height
43.2 mm (1.701 inches)
Load
Closed
[1]
320 N (75 lbs.)
Open
[2]
1036 N (230 lbs.)
[1]
At 43.2 mm (1.701 inches)
[2]
At 32 mm (1.260 inches)