Luckily after usage the 3.2 TinyRC has started to work fine.
It has more torque then a Bitracer 3.0 and almost the same top.
The only drawback now it is that it is far more noisy then every bit motor
(clone excluded, the good thing of original Bit is that they are pretty silent with a nice non desturbing good sound)
A part from the noise I guess it is a good motor. Probably I will try as well the 3.8 sometime ...
e_lm_70