You're browsing the GameFAQs Message Boards as a guest. Sign Up for free (or Log In if you already have an account) to be able to post messages, change how messages are displayed, and view media in posts.
If I remember right, the tail makes them a whole lot stronger. Hes weaker than he is without the tail. When he gets his tail back, he gets a huge strength boost, and energy boost. Kid Goku with his tail would beat Naruto. Without his tail, he would lose.