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Hi All, I've just bought myself a re-re Brat kit (supplied without ESC) and am in the process of building it up and wanted to know what options I have for locking the diff and possibly strengthening the transmission. I've done some research and seen various methods, so far the faviourite one being to drill and tap the diff output cups and thread lock an M3 bolt down the centre to hold the cups together, as you'd find in a ball diff on any other car, this would have an added benefit of helping prevent the casings spreading under power. The intermediate gear in the transmission is very narrow, how do these hold up? I had intended to run a mild brushless setup, more for better run times than outright power so bought a Turnigy 3000kv motor/esc/card combo from HK, but having seen the weak looking intermediate gear I'm now having my doubts. I've got the option of running the stock silver can motor and a Tamiya 101 ESC (Already had it, hence buying the kit without an ESC) along with a low voltage alarm/5000mah Lipo. Any advice welcome