I use Mobil 1 5w-30, and I noticed it takes a long time to drain after running. About 30 min after engine shutoff it reaches its max point at the first stroke of the "M" in Max. This is after an oil change where I put in 6 qts, and then just added 1/2 qt.

-Philip Maynard '95 Contour [71 STS | Track Whore] '97 Miata [71 ES | Boulevard Pimp] 2006 autocross results