Indexing works.
Point the electrode between 10 and 2 o'clock (toward the Intake Manifold) which is ideal.
I don't like using washers for this.
If the Electrode is pointing down, try another plug until it gets the orientation right (or close).
Don't use thread lube as it works as a heat insulator.
Use a torque wrench to complete as torqued values affect heat transfer.
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