Originally Posted by CaRdIaC
I think if all your pokemon are at least level 55 then you won't have any problems at all
Not entirely true. I beat the elite four with the following team:
I used Venusaur, Gyarados, Ninetails, and Pidgeot as my hitters. Snorlax was my shield to use revives, and Electrode was my last resort to use either self destruct or explosion. I had a ton of full restores, revives, and full heals.