Never filled them. Always put on dry. Oil pressure lights go off within 1-2 seconds and never had an issue.
I'm not about to try to fill it, have it drip like when you take off the used, etc to maybe save an infinitesimal amount of wear.
I'm not about to try to fill it, have it drip like when you take off the used, etc to maybe save an infinitesimal amount of wear.