The last 15 lb packer I cooked took 6.5 hrs + a 3 hr rest.
I cook at 300
on the 4 th hour wrap in a single layer of BP
probe tender in in the thickest part of the flat at 2.5 hrs after wrapping
rest wrapped in BP on the counter until the IT drops to 150
I never met a Cow that I didn't like with a little Salt & Pepper! Certified PORK-A-HOLIC