fill half of the rear diff with losi smartdiff grease, part number LOSA3607
http://www.wheelspinmodels.co.uk/i/67090/
http://www.ebay.co.uk/itm/Losi-8ight...item336f41b8ae
fill the whole of the front diff till it oozes out with gearbox teflon grease by ultimate racing, part number UR 0906
http://www.wheelspinmodels.co.uk/i/100836/
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