Tankrookie - I just saw this thread and let me also say that I'm sorry to hear about your loss. The fact that you want to get the tank back up and running is truly commendable, especially when one considers the size and your experience.
You chose well in coming here...AA is definitely the place to come for help. As others have said, post your questions (AA is a 24 hour/7 day a week forum) someone will answer.
Good luck and Welcome to AA!