I finished the heater core and blower motor today after much trial and tribulation. This job is not for the timid, faint-of-heart or those who need their transportation the next day. For me I took as much time to address defincies like a bad reostat for the instrument cluster and refinishing the wood on the dash, etc.. I have done a few projects over the years including a body off resto of a 1951 Willys and aside from the re-wiring of the jeep, I think the heater core/blower motor re-do was the Holy Grail.
For those in this forum who may have a question about this procedure I may have some info; otherwise, Twinokchef, who helped me with his list of items to remove and replace the above, as well as all the suggestions in this thread is a great way to get started.
MBG