In CF there's a guy that did. He modified the shifter, not the shift stick. It required welding. I would get you a link but got to run. It's really clean so when I can, I'll edit the post and add it for you.
Edit: His name is Joe and here is a pic of his shifter from his site:
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The full website dedicated to the car:
http://vettetech.com/projects/c3gs/c3gs.htm