Finally put my 5.3 in this week trying to figure out the alt. wiring and I should be good until my headers come in monday. I will try to take some detailed pictures of what modifications that are needed for f-body headers.
http://www.ls1truck.com/forums/album...achmentid=4235
http://www.ls1truck.com/forums/album...achmentid=4233
http://www.ls1truck.com/forums/album...achmentid=4236