[NY.SS-Bar9]

Would have suggested you do your own wires & plugs, but today, that "skill" is pretty much unknown or forgotten.

The $100.00 and 1-1/2 hours IS my time and cost.

And BTW feeler gauges are no longer used - platinum plugs come pre-gapped and many are not adjustable.

[oh8eleven]

platinum plugs come pre-gapped and many are not adjustable.
You just haven't tried hard enough :)