there is nothing wrong with blue smoke, smoke is good, it means your engine isnt using up all its oil, it has enough to burn and spit out, also how many tanks have you run through it? nomral old school break in procedures are absolutely horrible, use this, read after post #5 http://www.rcuniverse.com/forum/m_2786285/tm.htm how hot is it running? dont usually worry about temps, tune for crisp acceleration, godd top speed, and a good smoke trail