Operation CHARM
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Buick
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1991
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Regal 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 Clearance
Valve Clearance
Valve System
Lifter
Hydraulic
Valve Lash
1-1/2 Turns from Zero Lash
Face Angle
45°
Seat Angle
46°