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Griffin's Grub or you can find me on Facebook
It think it would all depend on what you've got available for multiple level cooks.
I also missed Muti-level. With this it would be easy to do 4 and do them direct as that is the way I spatchcock. Just rotate the top and middle level. ((note: do not use the clay))
Charlie tuna said:
Then why not consider doing four beer can chickens on the one grid ??
If you can't get 3 then cook 2 and an hour later cook 2 more.