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Old 02-21-2009 | 06:55 PM
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chunk t
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Joined: Nov 2008
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From: Elgin, IL
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Originally Posted by eng42ine
I have a Aquacraft Nitro Hammer and it runs great except that there is an excessive amount of goo coming out of the exhaust pipe. Does anyone know what that is? The engine is tuned pretty well so i don't think that it's unburnt fuel.
Most likely oil from the fuel, the nitro & alcohol burn off and the oil is the only component left over. I routinely empty & flush the insides of the pipes on my engines at the end of the day.
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