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Originally Posted by SigmaProjects
Have you checked all the components in your ignition system? Are the spark plug wires bad? Or the distributor cap, rotor or the entire assembly?
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Hello SigmaProjects? Curious ... are you familiar with the DMAIC process?
OK Two anomolies in work
1. Gas Seepage
It appears after further lab environment testing that the rebuilder has installed a "helicoil" in the #4 plug hole. Consequently, the spark plug is not seating completely (the helicoil does not allow for a proper seal between the spark plug compression ring and the cylinder head seat)
DOES ANYONE HAVE EXPERIENCES WITH HELICOILS INSTALLED IN CYLINDER HEADS TO REPAIR STRIPPED SPARK PLUG THREADS?
2. Wet #4 Spark Plug
Since #4 plug is wet and there is seepage about the #4 plug, it appears the #4 plug seat anomoly has to be fixed first. Then on to the wet plug.
I have new plug wires and plugs. And I have inspected the dist cap and rotor. It is a good point you bring up. I will replace the cap and rotor just to be sure, "cheap insurance at half the cost".