Hi, congratulations on the car and welcome to the forum. You have just become part of one the best groups of people ever brought together across the Internet.

You bought a good car and it is definitely worth maintaining. Almost everything that you want to know about it has been posted in this forum. Learn to use the advanced search and then ask questions to fill in the blanks in what you learn.
http://www.peachparts.com/shopforum/search.php
Check the stickies at the top of the forum. As you go you will learn search terms and user names to use in your searches. Your car is a 123 body and a 617 engine.

Check the maintenance schedule and catch it up. Change all of the fluids and filters. Clean all of the body drains. Good luck.