the proportions are flexible here. You can adjust the sugar rub to make it more or less spicy or sweet. Just pile tons of everything on and give it puh-lenty of time to smoke.
Coat the ribs in yellow mustard and cover them with sugar rub mixture
Smoke at 225 for 3 hours
Take ribs out, make a sort of envelope of tin foil and pour Coke and brown sugar over them. close up the envelope.
Return ribs to smoker and cook another 2 hours.
Remove tinfoil and smoke another 45-min.
Finish on grill to give it a char.