(ELITE 4) I know i asked this allready but they wanted to know?

I. Cant defeat the elite 4 my top p�kemon are level 80 charizard level with cut fly blast burn and hyper beam Level To moltres with overheat fire spin endure and flamethrower and in 3rd machoke with forsight fital throw focus punch and submission and sandslash with rock slide slash secret power and cut