60 mph mamba brushless setup for e-maxx, would this work?

I'm not saying that dual motor setups aren't nice. They are and look cooler than anything, when done right. It's just that the additional weight associated with running two motors isn't justified by the increase in performance. The motors also don't act completely in sync, so you don't actually realize a 100% increase in power at the wheels.

I'll be honest and say that I've never built a dual brushless setup, but on the other hand, actually doing it doesn't make it a good idea either.