i run a MMM 2200kv combo with an e-maxx 3905 tranny.
you will need better diffs
also...the tekin RX8 also looks promising...but i'm a castle fanboy and love their customer service..even to international customers!!
E-revo 3.3 conversion, 249kv outrunner, 6s, MMM
the porthole from the noob world an here has been opened!! that's how i got in.