Erom. read this first, [link=http://www.rcracersedmonton.com/rcracers/NitroEngine101.aspx]Breakin/Tunin guide 101.[/link] get to know this, read it a few time until you understand it, then start. your engine and your truck will thank you for it... theres alot of dos and donts at this point. and they are all important. dont take shortcuts.
hth
Timmahh