This place may help considering it's the XTM forums.
http://globalservices.globalhobby.co...wforum.php?f=6
There are some vids and you can find out awesome info, these are gonna be opinions from guys that own the truck and you have more of a chance on the XTM forums (considering XTM makes the X-Factor) than RCU. (RCU is a good place to start though) Good luck!