| Oldsmobile Engine >> CAUTION ON OVERTORQUING SPARK PLUGS ON L6 ENGINES |
Caution On Over-Torquing Spark Plugs On
Oldsmobile L-6 Engines
The General Motors Oldsmobile Division issued a bulletin warning against over-torquing spark plugs on L-6 engines which use tapered seat spark plugs.
Over-torquing will cause stretching of the plug shell which could permit blow-by to pass through the gasket seal between the shell and the insulator. Problems also result when the spark plugs have to be removed.
The torque specification for the L-6 engine is 15 ft. lbs.
The AERA Technical Committee
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