There are many here that know more than me but I would guesstimate 1.5 hours per lb @ 225-250*F. Allow for rest time after that. It's good you know about probe tender and remember the stall.
Weber WSM, Weber GA, Weber Spirit S-320, Weber 22" OTG
Charbroil Oilless Turkey Fryer
Wife LuzziAnn 1956 model.
Maverick ET-732, Superfast LSU Purple Thermapen & ThermaPop, Party Q