Even if there's a limit. You said like at VOTE, Sasuke was in Susanoo at VOTE. In their corresponding modes, Sasuke can preta anything Naruto can throw. The only time he would be in danger in your scenario is if sasuke(in base mode ie without susanoo) tried to tank a tech from Naruto in Kurama Avatar.Really? How??? XD
Your logic is dumb, just because it's balanced doesn't mean sasuke could absorb an infinite amount. Let's say Naruto use ultra twin rasenshuriken like at vote, sure it's balanced but sasuke cannot absorb that amount of senjutsu.![]()