How ever owes these type of cars, at one time started to read and with hands on experience knows the function and hopefully how to tune theses cars.
TurboBuick is an excellent site to read and ask questions, since there are many who knows about the TR in there sleep. I don't know if you know this there is another TR site that is also good:
http://www.ihadav8.com/forum/index.php
Must read the creator of this site
http://ihadav8.com/forum/VortexBuicks/