The cook is on! Smoke boost is holding at 165 to 170 according to my 2 potato probes sitting on the left and right sides at grate level. Will boost temp to 325 after 2 hrs of boost. This is going to work well for jerky at this temp.
EDIT - I finished the cook and it turned out great. Made some pulled pork sandwiches which were awesome.
Here it is starting out in smoke boost mode. The potatoes are for holding my extra temp probes.
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Here it is at about 165 temp and just prior to wrapping
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Here is the finished Butt
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And here is the pulled pork with bbq sauce on
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A successful cook. Even used the app to change temperatures while I was away from the house.