Combine marinade ingredients. Inject if you would like to, but not necessary. Marinate the Chuck Roast for at least an hour, up to several hours.

Remove from Marinade, pat dry.

Use either a beef rub, OR sprinkle salt, pepper, onion and garlic powder on both sides of roast.

Smoke - or cook indirect - for 2 hours.

Place in foil pan, add some liquid (marinade set aside), cover in tin foil, and cook for an additional 3-4 hours until pull apart tender.

Let rest for at least 30 minutes before pulling.