Jeff wrote: "If you look closely at that pict I posted, there is a .080 spacer on the front side the prop extension. I see absolutely no problem with adding a spacer like this provided it is true and does not throw you prop tracking off."
yes Jeff that is right, maybe the word washer has thrown people off to the wrong conclusion. Lets just say I added a spacer inside the wood prop exactly the correct diameter and only 1/8" thick. I have bolted it the prop back on, it tracks well, and the cowling issue is resolved. Yesterday I had two maintenance engineers look at it, and they saw no problem, Bill