Mike if you do get around to taking a look at your prop....well worth looking at these videos if you haven't already seen them...this one in particular,
http://www.eaavideo.org/video.aspx?v=703289051001
This one gives a good insight into torquing the prop bolts...I love the locking washers in this one...never seen them before,
http://www.eaavideo.org/video.aspx?v=1325845831001
I must get one of those digital levels nice bit of kit...I use at the moment the Warp Drive protractor,
Some fantastic videos to watch on the EAA website if you have a few hours to kill.
Nick.