Originally Posted by
choisan
i saw something interesting from redrc, the break-in device is having the whole engine soaked with fluid with temperature and the shaft connected with a motor, computer controls rpm and probably temperature.
i just wonder how would the burr go away without scratching(staying) inside the engine.
http://www.redrc.net/2015/03/break-i...od/#more-93745
didn't go through the heat cycle procedure,it may lost compression sooner than normal break in,maybe i'm wrong,please comments.