Not to minimize your problems, but for every person such as yourself, there are dozens that have no problems beyond typical wear and tear.
I would suggest NOT changing your MTX fluid to Royal Purple. Stick with the Ford "Honey". Which ever way you go, do NOT use ATX fluid in your MTX!!!
With the possible exception of the metal impeller water pump, everything else listed is really a personal preference type of mod/fix. If you treat her right, she'll do the same to you. Enjoy your SVT and post up some pics.
• See, you think I give a ••••. Wrong. In fact, while you talk, I'm thinking, "How can I give less of a ••••?" That's why I look interested.
• I know there's a god, because every once in a while someone whispers in my ear, "You're my favorite!"