I've been reading around and I found a thread here
http://www.uk-microrc.co.uk/forum/in...showtopic=6571
from a guy who has swapped the RK-370SD-2870 for a RK-370-SD-3265. I'm having exactly the same issue as hawaii.
Does the second motor
http://www.modelsport.co.uk/?CallFun...n&ItemID=26804
look as though it is going to work?