Hyper 21 Break In is going to take forever!!

[jon2]

I just finished reading the Instrauctions on breaking in the hyper 21 8 port and it asks for the mill to be heat cycled for 3 min then to be turned off. Let it cool then start up again and do that all over again.!!

WTF? Has anyone done this? I have the Non pull start Hyper 21 8 port engine.

Jon

 

[Diver6127]

I never really tried heat cycling. I don't think there would be a difference with the more common idle and gradual throttle break in. What's most important with break in is the proper seating of moving parts regardless of proceedure.

 

[jon2]

That's my thought as well. I was wondering if anyone did this to one of these mills. Thanks Diver!

Jon

 

[woody]

I did it for my .25 force! It's a booger, but it will pay off in the long run when you get to use the engine for just one more tank. Truly, break-in is so imperative. Just my .02

Woody

 

[Bill Hoskinson]

Jon, just do it. I hope you aren't putting that 8 port in your MGT. New buggy I presume? :hi:

 

[scottm]

This is a favorite subject of mine. The most knowlegable people out there are recommending heat cycling. I do it and it is worth the effort to me. Here is a thread I started a few weeks ago:

https://www.rcnitrotalk.com/forum/showthread.php?s=&threadid=14996

 

[StrechM]

Heat cycling has worked well for the last two breakins that I have done, GS .25 and a Sirio .27. Both manufatures have recomended it.
It's hard not to become impatient, but well worth the wait.