you can always dial out some of the power with the radio trims. Castle makes a 1410 3800 kv motor, but you have to make sure you do NOT get the 5mm shaft version. They might be pricier though. you could also try the hobby wing motors. I am not sure they are rebuildable though, but cheaper for sure.
http://www.falconsekido.com/products...6-4p-sct-motor