Interestingly enough: there's countermeasures you can take to prevent oil migration! GM actually had some rather interesting experiments in this area. They tried storing cars vertically for transportation[1] in the late 60s and early 70s.
> ... Chevrolet's goal was to deliver Vegas topped with fluids and ready to drive to the dealership.
> To do this Vega engineers had to design a special engine oil baffle to prevent oil from entering the No. 1 cylinder, ...
> ... Chevrolet's goal was to deliver Vegas topped with fluids and ready to drive to the dealership.
> To do this Vega engineers had to design a special engine oil baffle to prevent oil from entering the No. 1 cylinder, ...
[1]: http://en.wikipedia.org/wiki/Autorack#Vert-A-Pac_and_Stac-Pa...