I would suggest a different dragonite set than your original one:
Dragonite@leftovers
Ability: Inner Focus
Nature: Adamant
EVs 252 HP 52 Atk 204 Spe
Dragon Claw
Dragon Dance
Roost
Earthquake
This set allows you to set-up on a lot of Pokemon. Roost is so that you get rid of your annoying 4x...