Time shouldn't change a huge amount being boneless vs bone-in
For pulling bring the IT of the meat up to 200* F and it will pull,the bone takes more heat so you get a break on this one
Never did a boneless butt before.
Let us know how it turns out.
I have done many of these from Costco, they have all been outstanding! Yours will be too.
Waiting is part of the game I'm in