I am having trouble on my rustler wheeling. I have it tuned great and when i hit full throttle it isn't pulling a wheelie.
People are saying to gear it lower? Is that true, should i? Also, how do you gear it lower?

You can go with a larger spur gear or a smaller clutch bell. The clutch bell is going to make the biggest difference. Drop it down one or two teeth from what you already have installed.