Tonight I am going to look at a 88 5.0 thunderbird, it is really cheap and I am considering buying it to use a drivetrain donor for a future project. It has 138k miles, is there anything I should look for specifically indicating a problem other than the typical used car stuff? Also if I purchase this car what can I do to freshen the engine and tranny short of a rebuild? I was thinking gaskets and a timing chain swap for the engine and maybe a shift kit for the tranny? How much more life can I expect out of this drivetrain if it hasn't been abused before it needs a rebuild? Thank you for the suggestions, sorry for the long post.