MMM killing motors?

[traxxasrevony]

hmm when my mmm worked it push my erevo on 4s to 53 with a 8xl on 20/38 and motor temps never hit 130 esc was 98 batts 97 and i was running talons then one shredded at 45. i was gonna try 22/38 to se if i could hit 58 but then the mmm failed.