You can do that but you might want to start checking for doneness at 175 as opposed to the 190 range.
I would be leary of doing the cool down before the cooking is done. I would deffinatly go with the complete cook through before removing totaly from the heat.
I thought I was wrong once, but I was mistaken.
(3)WSMs, 22.5" CharBroil kettle,
4'offset (gave away after 1st WSM cook)