i was just linked to a 4 page thread on stangnet talking about people who have had the same problem. i saw a post from a guy in my area that i know from a local board saying his mechanic can fix it for $300. we'll see what happens.

And apparently timesert > helicoil. www.timesert.com

http://forums.stangnet.com/showthread.php?t=607458

If that doesn't work out, Summit sells factory PI heads complete for 400.