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Old 03-14-2008, 09:36 AM   #1
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Default over lean when no fuel...

hi all,
as you know that when yr nitro gonna finish up, u'll reach the stage that it'll be 'over-lean'; any ways to prevent that?

i've had several plugs burnt out due to this... it happens just when yr tank runs dry.
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Old 03-14-2008, 05:42 PM   #2
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Don't run the tank dry. Shutdown the engine when your done for the day at about half a tank. Suck out any remaining fuel your tank with your fuel bottle. Disconnect the fuel line from the carb and start the engine and let it run until all the fuel is out of the engine.
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Old 03-15-2008, 03:11 AM   #3
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It seems the engine is setted critical, a tiny bit richer or one degree colder plug can work to keep the plug alive.

But yes, it is a known issue the plug can be damaged with an empty going tank.
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Old 03-18-2008, 05:35 AM   #4
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make sure the o-ring on the tank is OK, or replace it anyways. the pressure line is also key to a good running engine through the entire tank.

what pipe do you have? what plug? any pressure chamber?
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Old 03-18-2008, 08:55 AM   #5
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Quote:
Originally Posted by cdelong View Post
make sure the o-ring on the tank is OK, or replace it anyways. the pressure line is also key to a good running engine through the entire tank.

what pipe do you have? what plug? any pressure chamber?
what's the optimium length of pressure line? does pressure chamber really help?
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