Those who have changed the diff balls, what grease did you use?
Because first 2 days the diffs became a little gritty, I rebuild the rear one but changing the original Tamiya grease to a 3Racing grease (in the 3/32 balls). I must say that, today (after two months approx. running), the rear diff works a lot better than the front one (both are gritty but the front is worse).
Best Regards
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