does the frame have to be metal for a nitro? [link=http://cgi.ebay.com/traxxas-rustler-vxl-custom-frame-extended-5inches_W0QQitemZ220389257850QQcmdZViewItemQQptZRa dio_Control_Parts_Accessories?hash=item22038925785 0&_trksid=p3286.c0.m14&_trkparms=66%3A2|65%3A1|39% 3A1|240%3A1318]Here[/link] is an extended frame, but it is for a vxl. it ends soon and i just saw your post yesterday and ran across this just now.