Operation CHARM
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Porsche
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1991
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944 S2 Coupe L4-2990cc 3.0L DOHC
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Cylinder Head Assembly
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Valve
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Specifications
Valve: Specifications
Valve stem
Inlet dia.
6.98 - 0.012 mm (.2748 - 0.0005 in)
Exhaust dia. stem end tapered stem
Diameter
6.974 ± 0.006 mm (2.746 ± 0.0002 in)