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Buick
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1998
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Riviera V6-3.8L SC VIN 1
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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, Intake/Exhaust
Valve, Intake/Exhaust
Valve
Face Angle
45°
Minimum Margin
0.635 mm (0.025 inch)
Stem Height - All
49.15 - 50.17 mm (1.935 - 1.975 inch)
Stem Clearance - All
0.038 - 0.089 mm (0.0015 - 0.0032 inch)