Dozer, have you Googled "LT1 Harmonic Balancer Removal"? There are a lot of discussions out there that give tips to the process, and explain what does and does not work. Most seem to point to a three claw puller for the pulley, then pulling against the loosened bolt or some smaller tool (one says a socket extension??) for the hub, if you need to pull the hub. Here's one - I cannot attest to it being right or wrong, just posting a link to get you started:
http://www.lateral-g.net/forums/showthread.php4?t=2770