Place overlapping long strips of plastic wrap on the counter. Place pork roast on plastic and rub with salt. Ensure you set into all the crevices where the bone was removed. Wrap tightly. Place in a large plastic bag or on a sheet tray in the fridge overnight.
Remove pork from plastic and rub with Memphis dust, making sure to get all the nooks and crannies.
Place pork on a cold smoker. Fit a probe thermometer into the thickest part of the meat. Add a chafing dish full of water.
Set the smoker to smoke. Smoke for 1 hour.
Increase heat in the smoker to 225 degrees.
Smoke until meat reaches 203 degrees F.
Transfer pulled pork to a chafing dish and cover tightly with foil.
Place in a faux Cambro for at least one, ideally two hours (or more if needed).
Using meat claws, pull the meat.