well were do i start, i was at a local track and my maxx was running great. BUT after a quick run i came back in and i noiced the slipper gear was not moving at idle. then i was checking it out and when i move the gear (truck is off) is move fine for about 3/4 of a turn and then it feels like it gets comprestion for the rest of the 1/4 of the way. and when i roll the truck around with it off it sounds like gears are grinding. but it seems to me the truck is running ok. having motor trouble but i think i popped the motor. any hints. thanks!!!!!!!!!!!!:flaming: