Here is my latest pondering... as opposed to replacing the back class with lexan and trying to make things aero that way, I wonder if I would be better off loosing half the front windshield and tinning the car like an IMCA modified...
Here is a quick link to what I'm talking about
:
2010 CMG Open Wheel (IMCA) Modified For Sale
I guess this effectively eliminates a good chunk of frontal area at the cost of a bunch of dirty air...