added downforce in Sask.
 

Sometimes I am very proud to say I was born and raised in Saskatchewan !! this isn't one of them. http://forums.pelicanparts.com/uploads/firsplr3sml.jpg (just emailed to me . not sure who to credit for the picture or analysis) Is that close enough to a 911 with a whaletail to be considered on-topic......gosh, that's the anti-porsche!!! max