Originally Posted by Harbormaster
Yep. I give it a bear hug and check the diameter each time until I have it even.
I've done that too.
I have also rotated the mid section to get the most even gap all around on the idea that I'm matching slight out of round for the two pieces.
When my cooker was new, I also added a bead of high temperature silicone to the bottom edge of the mid section to help seal. That seemed to help with temperature control. After enough smokes the inside of the smoker will get a film of grease/smoke that will help seal as well. (if you don't keep cleaning it out