Trader Posted July 30, 2010 Posted July 30, 2010 What is the purpose of the plugs closer to the outside of the spark plug (see pic...circled in red) It would be a lot easier for ham fisted people if they were "optional" spark plug locations! I'm thinking just a casting plug...but is there any mechanical function to these?
dingy Posted July 30, 2010 Posted July 30, 2010 There is nothing under there, other than coolant. They may have needed to drill at that point to open up water jacket. Gary
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