I run the 2 speed and 2 3s 4900 flightpower batteries. My mmm threw in the towel doing speed runs so now i am running a MGM 28025 Z series
There is a photo at the end of the page http://www.rc-monster.com/forum/show...t=22158&page=5
I was trying to find some more pinion gears for mine, probably a 22 tooth and and a 26 tooth that will screw right on the 2 speed and do you have the stock 16/20 tooth gears plus have you ever got it radared.