Well it took me a year but I think I may have finally conquered all of my major issues. Actually was able to fly for 1.5 hours without having to pull something off and fiddle with it. The burping issue I encountered just before Crossville seems to be gone but the OAT has gone down as well with winter on the horizon. When it gets warm again we'll see if the mods to the fuel system worked.
I will find some wood to knock on before my next flight. Time to wear this thing out!