I figured this applied to all the Electromotive units, so I put it here.

I have heard that one should mount their map sensor to where the port/nipple is facing down. This way any damaging condensation that builds up in the line or the sensor can drain out when the vehicle is off.

Does this sound right, or is this another one of the false rumors given to the Electromotive units?

Not in stone but is a good Idea. I do this also