read thru these 2 links, they will educate you in the good way.
use this one, go down the page to the Nitro part. Very well wrote and easy to follow for anyone instructions.
[link=http://www.rcracersedmonton.com/rcracers/NewRacer.aspx]Nitro Must Knows.[/link]

tht, gl and have fun
Timmahh