pinion for revo & problem signal

[TexasSP]

I wonder if having the wires run so close to the brake mechanism has anything to do with it. Could the brake assembly spinning possibly create any static? Maybe also check the battery wires in relation to the ESC wire going to the receiver.

I also did not realize that motor was spinning at 70k rpm, not a recipe for longevity.

I think maybe going with the 5.5 motor would be a better bet like Arct1k suggested.