Im currently running an OS .18 TM on my Revo, it ROCKS! Makes the truck a completley diffrent monster. I do have a few questions though..
Im not a temp freak, I use it for reference only. What is the optimal recommended running temp for this motor. I usually run it at 200-220 degrees. However, when it hits 220, it idles weird as if its not detonating correctly. This goes away if I run a richer bottom end, but then it gets sluggish. Could this be a fuel/plug conflict? I run Odonnell 20% and OS A5 plug right now.

Also, what is the purpose of the 3rd needle (Mid range adjustment) Most say not to touch it, but Im a tinkerer at heart, and it calls my name constantly.. What effects does it make to the engine?
Thanks!
Ken