u can always use biscuits to test your grate temps. If I have to cook on a pit I do not know, I try to get 250 and set out three cans of bisquits and look at where and how each bisquit cooks.
Of course, sadly even that is bad. My brazos full of brisket or full of butts behaves totally different.
Popdaddy is Dead - 1933-2011 - Pitmaster T is a free agent