One more information to share of the DF03. I find out that the Tamiya option oil dampers are too long for DF-03, I placed total 3 black O-ring inside the barrel to shorten the length, after doing that, it help to keep the dog bones in place!!
and I use more concentrated oil instead of the kit oil.
For every DF03 owner, be sure to add spacers on your front king pin. It's a designing failure as the king pin might move towards the steering and hit the steering rods. And here is my DF03 Dark Impa ...
hey thats me how to deal with the designing failure~~
it also prevent the front arms from "toe out " ( 日文譯 - 大開脚 ) when " vertical head landing" ~~