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Thanks the video....Some people have spent lots of time on this, try oil fill the diff...to make it more smooth...But in the end, all belt car uses ball diff and seems the diff is not the focus, as long as the belt run smoothly.
![กี่หมื่นฟ้า | Your Sky Series EP.1 [1/4]](http://i.ytimg.com/vi/vLGjxFL6U_I/mqdefault.jpg)
Thanks the video....
Some people have spent lots of time on this, try oil fill the diff...to make it more smooth...
But in the end, all belt car uses ball diff and seems the diff is not the focus, as long as the belt run smoothly.