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A good break in procedure is always a treasured knowledge for takingcare of a Nitro Engine. “Heat cycling” is one of the methods that isgood for breaking in. Start the engine and let it idle, after one or twominutes feel the cylinder head. It should be hot enough that you arenot able to hold it for more than 10 seconds. Stop the engine andmake sure that piston is at the bottom of the stroke. Let it cool downcompletely. It should be stone cold. Repeat the procedure severaltimes, may be 10-12 times. It might seem like a tiring procedure butone needs to have patience. This procedure is usually dedicated to thefirst tank of fuel.
Now take it out and run it. Open the main needle one full turn. For thenext four tanks you should not run more than half throttle and thespeed should be varied up and down. Let it also cool down completely.Each time you have to ensure that piston is at the bottom of the strokeat the time of cooling. It would be a good idea if the engine runs at200 degree range during this period.
Next would be four more tanks running up to three-fourth throttle butthe manner should be same as stated earlier. After this you one can gowide open and go in for another six tanks. These engines run best at220 to 240 degrees, plus a visible line of smoke should always becoming from the exhaust stinger.
If you have patience and take the time for following this break inprocedure then you will be rewarded with an engine that is strongerand runs longer than others.
Some things should be kept in mind while doing the break-in,especially with the heat method. It would not be advisable to start theengine with the electric starter. Before starting up the engine a nicesuggestion would be to cover up the cooling head with something sothe engine heats up properly. This is because without the cover theengine may remain cold. Then start the engine and let it run rich at fullthrottle for 2-tanks at a temperature of eighty degrees Centigrade.Then two more tanks to run at ninety and one more at hundreddegrees.
After this the engine is almost run-in but you will need to finish therun-in with two more tanks after this. After such a patient procedurethe car will be ready to run.
Before starting a break-in read all the information available.Information never hurts, on the contrary it might help. Further, bevery patient with the whole procedure of break-in. Start breaking-inpatiently. Many people recommend using 10-20% nitro for breaking –in and to stick with the same fuel for the life of the engine. Thereforespecial break-in fuel might not be really necessary..
1/10th Nitro
