http://www.rcuniverse.com/forum/m_7647037/tm.htm ....this may help you out....on your break in I like the heat cycle method...people got what works for them...I try to idle one tank of fuel...then I put it on the ground and run it....I run for 3 minutes ( just burping the throttle and never going over half throttle, and not holding same speed long)...let it cool good at bdc....I do that like 5 times gradually giving it just a tad more throttle...then I go to 5 minutes run time at no more then 3/4 throttle....do that like 3 times and then done