Havin that problem with my T-Maxx too... ill check into it
Also a nice body for a Rusty is the JConcepts body... Here's mine, painted by me, I love it and have got nothin but positive feedback on it!
[link=http://www.rcuniverse.com/forum/m_7250988/anchors_7250988/mpage_1/key_/anchor/tm.htm#7250988]Rustler JConcepts Body[/link]