Here is something many people miss. You must leave an inch or so extra all the way around so you can fold it over and weld it to the inner wheel well. If you don't you will have a big problem.

I too have seen many cars where the front of the wheel well is angled forward like in the picture below. I believe this was modified by many of the racers back then. When Hurst originally did the cutting they removed alot from the top and the back but they did not remove much at all from the front. In the old days to put the taller slicks on you had to open up the front of the wheel well so that is what they did. I personally believe that the picture below was taken from a modified wheel well....not a Hurst modified wheel well.