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Old 03-05-2008, 05:50 AM   #1
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Default General break in and tuning

Any one have a link or reference to a conservative method of breaking in and general tuning guidlines for nitro engines?

Looking with a 123 type of guide with actual technical information.

It seems that when you ask someone at the track you get as many different opinions as what is your favorite color...lol!

Thanks

Jamie
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Old 03-05-2008, 06:22 AM   #2
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then why ask on a forum for people to provide a link on another site?

just because a method is published on what you might think is a reputable site doesn't mean it is reputable (appeal to authority illogical argument)

simple dude do the following:

1)use the fuel you will race with to break it in.
2) heat up engine well with a hair dryer
3) start engine
4)idle for 1 tank keeping it at 80 to 95 degrees celcius
5)idle for another tank, blipping the throttle intermitantly
6) drive for the 3rd tank onwards on the track you race at the most
7) by the 7th tank, keep an eye on temps, but it should be pritty rich now due to the engine breaking in, begin to lean out at the 5th tank+ and keep at 110 to 115 degrees celcius

you should feel it breaking in. each time it gets richer, lean it of a fraction. by the 8th to 10th tank it should be close to race tune.

some engines take 1 litre to break in some take 2 or even 5. it all depends, you need to feel your way through the process. there is no way you will learn how to break in an engine by asking on a forum, we can help, but we can only be a guide, some things are best learnt hands on
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Old 03-05-2008, 08:16 AM   #3
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The problem with running in is that there are so many methodes and most of them are basicly the same but starting a post like this you will get an endless topic and finally you do not know what to do....

Even the 1st tank idle (which I believe is very good) is still rejected by others.

My opinion, choose one of the methodes you will find on the net and use it or else use the one which is provided in he manual or on the site of the brands engine.
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Old 03-18-2008, 05:44 AM   #4
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with the tight novarossi engines, I have found Murnan's method to be the most conservative and give a thorough break in..... takes nearly a gallon though. Well worth the time taken to do a good job. If you let these things run with a tight P/S set before a good break in you will surely hose the rear bearing.
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