The turbo setup can be mounted that way. of course the positioning just has to be adjusted a bit.
Here's one of our entries to the Sport FWD/PRO AM class:

This setup is pushing 500hp at 17psi right now. once we get the proper axles and clutch(like the Tilton), we would then be able to bump up the boost a bit more.
We'll be looking out for the ProStreet car. Should be a good competitor to the Exospeed Sport FWD line up we have for 2004/05