Hi guys,

Thanks for all the response, I have tear down everything and rebuild the steering, recal my radio.

and I think the problem is not about the servo nor radio, it is the play of my steering which cause the problem, from my first video above at 5 sec onward, you can see I can slightly turn the wheel using my fingers whithout apply force to the servo, so this is the play of my steering linkage.

So the servo do return to center, but since it has play, the wheel has off center very slightly, strange it seems no problem when on track.

For the sake of chasing perfection, do this level of steering play normal? The play are come from ball joint and upper A arm, I can turn the wheel about 1 to 2 degrees whithout forcing the servo.

Second question is, how can I reduce the play?

Thanks
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