Over-season to taste.
Remember only the outside of a very thick piece of meat will be seasoned.
Separate bones for ease of serving and tie back on for the ride.
Place on center rack of BBQ and light only one of the side burners.
Kettle temperature may reach 300 degrees or so.

Cook to an internal temp of about 122 degrees.
Foil wrap and let rest on counter for about 20 minutes.
Internal temp will continue to rise to maybe 124-126.
Perfect medium rare.

I made this tester last week in preparation for Christmas eve.
I hate Prime Rib and decided to go with smoked Pork Tenderloin roast instead.

Mo bettah'
10 spice dry rub, brown sugar and hickory.
Please note the smoke ring!