Oil pump priming. Vaseline needed?

rumblefish360 said

You use vasoline to seal the oil filter?!?!
I dab my finger in the oil, used or fresh and run it around the oil filter seal. Never a problem.

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No, you're not getting what I'm saying. If you fill an oil filter with oil, and then tip it on its side, what happens? Sealing the entire top with a bunch of Vaseline or assy lube, you don't lose a drop.