Masterbuilt Pro Dual fuel 2 door. I am looking at buying a needle valve to dial in/ stabilize my temps. Currently with no mods, I hit 250-275 and then back it down to 225-250. What I am seeing is I get the temp rising and falling in that window (218-255) with no adjustments by me-- just floats up and down. So, I adjust vents, turn burner down, etc....then I get all "out of whack". What I am thinking is to add a needle valve like I have seen others here do - but, am I going up the right path to fix my issue? I use a wind shield, keep it in the shade, keep water pan full, use only one chunk of wood at a time, top vent wide open- bottom R vent closed 100% - bottom L vent open 25-50%, burner on low/ med low. It cooks very well - I am just looking for something to "dial it in" and leave it. This is what I am looking at: Any opinions welcome - anyone using this needle valve?