I had this idea a little while ago too. I assume you're thinking of using the drivetrain of the 99-01 JDM SiR-T wagon. It's a very cool idea, but it's just not feasible at a reasonable cost.
Check out this thread I posted on TAC a few weeks ago. Pay special attention to the second half of the thread.
http://www.torontoaccords.com/forums...pic.php?t=2682