Schools change - randomly
Graphite not the best - most say now its one of the least preferred - along with lithium.
Can't go wrong with a synthetic or moly - sparingly.
A lot of folks install them right out of the box as-is.
Some still use lithium and swear by it
At $13 a pop - you can't get hurt too bad no matter what you do, or don't do.
But one day those will be gone
Grease is only a problem when it dries/hardens/gums inside the sheath after long term (and over-applied).
Lithium and low grades will do that over time.
Especially on a car that sits more than its driven.
Or if it is sloppily applied all the way to the end and works it way inside the speedometer head (bad).
Synthetic and Moly for the long haul
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