OK....I am going to replace it.  I get most of my parts from Ecklers, I get 20% off unless someone thinks I should get them else where?  Ecklers has a stock replacement for $69. 

More questions:

1.  Besides the main bolt what else do I have to change while I am down there?

2.  Where can I find instructions?  When I restored the car I just pulled it off, don't remember having to use a puller.  I have an assembly manual.  I read something on the net about greasing something during installation?

3.  Will there be something else I will want to change out while I have it apart?  Restored the car in the early 90's, it has been awhile.  Should I replace the pulley bolts also?

4.  It looks like I will have to pull the fan or I maybe able to get it off from the underside?  Looks like a space between the front cross member and balancer?

Current list:

Harmonic balancer & bolt

All belts

Pulley bolts