i decieded to change my plans a little bit and remove the tranny all toegther and use a axi 4130/16 outrunner with a custom mount.
im kinda stuck on how to connect the motor shaft to the diff i was thinking using this kit
http://www.rc-monster.com/proddetail..._G-MAXX&cat=11 and boring out one of the drive cups to fit the 6 mill shaft think this would work. if not please throw up some ideas.