Originally Posted by
EB Racer
I agree that the slop is terrible and cased by the bearings. But, a 5MM shim under the bearing between the bearing and the steering arm and same for the bridge resulted in both smooth operation and slop-free build. I learned this while playing with the M-08 and it worked on the TB-05 as well. Give it a try. I think I used a 5mm x .1 mm shims in each bearing hole.
EBR
The new ackermann steering unit doesn't need much shimming. The ackermann steering bridge has smaller bearings which have less slop.