Spent more time getting one of my NIB 15-IV's broke in. This one has about an hour on it now on FAI fuel. Wouldn't run faster than 13,300 on FAI fuel. On 15% nitro it went over 16k. As you can see in the video I'm still running it pretty rich. Gonna keep it that way for awhile.
http://youtu.be/EeMkoSUrhI4
Now in Slow Motion at the 2/4 break..
http://youtu.be/6-HrFTHlbAg