Here's a DIY:
http://www.ft86club.com/forums/showp...67&postcount=3
On that page he says to use an O2 sensor wrench, but you can actually just use an open ended wrench instead.
And here's a full thread talking about the UEL header:
http://www.ft86club.com/forums/showthread.php?t=32101
FYI, there's a whole
DIY forum at the bottom of the tech section. Many things you want to know about this car will be shown there. When you get ready for your next mod, search there for instructions.
Just today I replaced my tail lights, and there was a handy DIY that showed me pictures of exactly how to do it and what tools I would need before I started taking things off the car. A while back a DIY thread prevented me from breaking the plastic panels under the knee rests, because I would never have expected them to come off the way they do and would have snapped them in two if I hadn't seen detailed instructions.