First off, welcome to this excellent site. I created a thread back in January 2000 and many people have posted a message telling the year, milage of truck, and parts that have been replaced. Please drop by and add your truck on there and check it out so you might know what to expect. The link is:
http://www.explorerforum.com/forums/showthread.php?threadid=11210

Thanks a lot and have fun on the site!!