Please look at it from my stand point, I have a truck sitting in the garage with it cracked open...some guy replys, saying "I've never worked on a 3.4..." or something to that effect, well, I can only accept your advice, but I really needed to be sure with a veteran on here thats had the SPECIFIC experience. I'm taking no offense to your post, its quite valid, I just needed somemore info as to accomodate an answer of "no". My questions were why, not yes or no.Im trying to explain this because you asked if the 15 degrees advanced was normal. When others explained that it was wrong you seemed to get defensive and act like we didnt know what we are talking about.
Once John, Jomentum, and Bear responded (And I've seen many quality posts from these guys who have worked on their 3.4) I was able to understand more what my engine was doing.
My appologies if you felt attacked or disregarded, same to the other guy that initally posted...