Well Harley, I do completely agree with Darryl's staement in post 14 at this stage.
I have had problems as well with the UAT under high fuel flow, and I am not the only one.

Have a look here:
http://www.rcuniverse.com/forum/m_92..._1/key_/tm.htm

Your experience in the matter is welcome, please feel free to post it in the thread above. I am always happy to get some different feedback and discuss technical matters with an expert.