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I'd focus on getting the cube turning well before doing the rest. The lubrication is necessary. After I got it turning well, I stuck the cube pin in my drill and slowly sped it up while holding the corner that it goes through to help break it in.
When it was ready to go, I could hold on to the corner and flick-twist the pin and have it do a full revolution before stopping.
Good luck! Keep me posted on your progress.