You don't happen to have a Fumoto valve on your oil pan? Maybe a mean-asp hail stone knocked the valve open? (Just a wild shot in the dark.)
That thing looks like a great idea, but it sticks out way too far. If you had the kilby plates...I would be in for sure.
I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them.
Thomas Jefferson