Originally Posted by
JakeC351
hey guys just wondering if you have any ideas what can be wrong with my little brothers ft b4.1 i rubuilt the whole diff put a new idler gear in, a new top shaft, and a new main diff gear, brand new ceramic bearings and a new motor and esc new spur and pinion and it is still making a really weird grinding noise when i hold the thorottle on for a little while and when i let the thorottle off. Do you have any ideas what this can be.
Ever get your bros car working? Was browsing threw the pages and saw your post.. I had the same problem, ended up being the screw that goes through the wing mounts and diff cases hitting the slipper plate. It's very easy for that to happen with the associateds.