The smaller pistons is what you need but they still aren't ideal. You really need smaller holes - as thats where you get the 'pack' from to stop it bottoming out and bouncing around.
The mamba came off from the final very hot indeed- you couldnt put your finger on the ESC for more than a second. but it was fine and worked well. Theres not much you can to, I could (should) of cut the air vent out to aid cooling but never got round to it. The mamba max seems capable of handling the heat.
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