Well I took it for a test run a few min ago. Nothing fell off
I was testing two things in this run:
1. How my new belly pan worked
2. Air flow over boat tail
Comments on #1
It is still on! It moves up and down over bumps a bit (I hear the screws holding the metal parts on bump up on the exhaust).
After my test run I looked at where the snow was building up on the belly pan. I saw none on the inside that did not appear to come from the tires. The whole underside of the belly pan (ground side) was wet from the snow. The metal areas had melted and were dripping.
Side piece right behind the tires: (camera was not level)
Comments on #2
Video to come once it is up loaded.
As I started I had about 1" of snow on the top of the car. I watched this snow as it went off the back window. It was running parallel to the window and was almost touching it (might have been .5-1" off). I do end up with a very thin layer of snow attaching to the window (I think it is sticking to the window).
Snow did stick to the tail, mostly in areas that only have one layer of fiberglass (surface is a bit rough).
Side: note, other side has 3 layers of fiberglass and has no snow sticking to it.
Back:
Does the back snow build up something I can fix or will it be there unless I taper it to a point?
From trailing the car I think the underside air flow has improved. I saw less roiled air in the middle. I think that most of the roiled air was from the tires.