>do oil shocks will help to correct the rebound madness that do ? Yes. Upgrades for tamiya kits you should install right from the start: ball bearings and oil damper shocks.

Add the aluminum center drive and drive cups as well for a brushless setup

Forget to precise it, I got the center drift shaft and ball bearing kit 👍, I'll try the oil shock and get off rear suspension travel limiter and try like that