Hi, thanks for the response.
So 10.5T and lower are considered modified? But how about this YeahRacing 13.5 motor?
http://www.yeahracing.com/catalog/ye...09-p-3243.html
and Hobbywing V10 13.5?
http://www.amain.com/Hobbywing-Xerun...r-135T/p279098
Last edited by Airflow; 10-10-2014 at 01:33 AM.