Originally Posted by HankB
On my grills (which are the gold versions) I have marked positions for the bottom vent lever for 1/4, 1/2, 3/4 and full open. That all happens in about the first 15% of travel. The rest of the travel is just to push ash around. Knowing where your vent is will help to control temperature.
Good point, I have my kettles marked as well.