Hi
the diff screws are a problem but if you are careful when you tighten them they are fine do not do this quickly take your time.
Do not over tighten them. tighten the screw right up then back the screw off about a 1/4 of a turn to 3/8.
The slipper is very important you need to get the slipper to give before the diff this helps the diff screw.
I had Tonys set on the astro when dry at Kiddy at 3/8 to 1/2 a turn this should be ok make sure you locktite the screw as it will come undone.
There are some set up sheets on the HB web site will be putting more up as we go along. Sorry but this is work in progress as we test/race race at each venue.
Other than that the car is good sorry the results are not showing how good the car is at present.
Phill T
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