[winders]

Those MSD coils are oil filled and should not be mounted in that orientation. They are designed to be mounted upright with the connections up top. You need the black 8222 high vibration coil (encased in epoxy) which can be mounted in any orientation.

Here is what can happen with the red coils mounted like what we see in this car:

http://forums.pelicanparts.com/porsche-911-technical-forum/246885-my-911-fire-burning-msd-coil.html