Originally Posted by
deadmancourt
what do you guys recommend for breaking in engines?.....the HEAT CYCLE with the 5 three min. runs and then the 3 five min. runs(figure 8s)...letting it cool between all runs and always pre heating(of course)
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If you get Neals hand lapped engines, break-in is idling 1 tank of fuel, then race tune, slightly rich, until the nuts drop.. Other wise it is whatever you feel best with..