We've discussed this here. http://forums.2gnt.com/dcboard.php?az=show_topic&forum=34&topic_id=663&mesg_id=663&page=It works. Just keep adding spacers till you get the pedal to release the clutch where you want. You do have a limited amount of space to work with.
-"Easy Mac"05 Mazda RX-8 (RR8 #88)99 Eclipse RS 398whp & 372lb-ft