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Home >> Oldsmobile >> 1984 >> Toronado 4.1 4 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 5.0L (307") V8 - VINS [Y,9] >> Removal & Installation >> Valve Lapping Note

Valve Lapping Note

NOTE: DO NOT lap new valve, or protective coating on valve face will be destroyed. Remove grooves and/or score marks from end of valve stem with oil stone. DO NOT remove more than .010" (.25 mm) from valve stem end.
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