Operation CHARM
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Pontiac
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1991
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Firebird 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, Intake/Exhaust
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Valve Clearance Specifications
Valve Clearance Specifications
Stem Clearance
Intake
0.036 - 0.064 mm (0.0014 - 0.0025 in.)
Exhaust
0.041 - 0.074 mm (0.0016-0.0029 in.)