RDSport did a bored motor from the M44 block up to an 87.0mm bore.
S14 is 93.5? I think you might cut into the water jacket or otherwise overheat the block in removing that much material if it doesn't already overlap cylinders.
I would call up Metric Mechanic and see what they have to say about your project.
You may also be interested in keeping an eye on this thread:
http://www.318ti.org/forum/showthread.php?t=21397