I will be honest here....you are going to have to learn to tune your rc...nitro engines tune changes with the weather....it would be a pain to have to have someone tune your car everytime the weather changes....alot of guys on this and other forums are here to help you....here is a pic that will help you atleast get you car running so you have a place to start...a person needs to be somewhat mechanicaly inclined to enjoy this hobby...there is routine maintanance and you will learn to make repairs...