Your right about the gearbox bolts. Just a slight tweek, not tight or the box will bind. I had to use a tiny bit thread lock on the long motor plate bolts (they all fell out of my sons rtr in one race!)
Also when you rebuild the diff, use the orange shock seals and some black grease instead of the black x ring seal, our rtr was leaking oil from fresh out of the box!
The standard RTR chassis is very weak around the front four bolt holes. After 2 chassis broke I've adapted a Schumacher KR front brace (wishbone pins in the perfect place!), now its indestructible.
If you haven't got one yet, get the alloy or carbon steering rack plate.
That's all we've had to do after a year of racing with a 5yr old at the wheel!
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