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Old 05-10-2014, 04:19 PM
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Default Diagnose my exhaust problem please.

I've ran my Redcat Rampage MT about 3-4 tanks so far, After it's first proper tank where I ran it continuously I noticed the rubber on the stock pipe had melted completely. So for the next tank I ran it without any exhaust, just the muffler and noticed black gunk everywhere. Does this mean I'm running the engine too rich? I have mixed the fuel to 25:1 like it says. Should I adjust my low speed needle to sort this out? I have fitted a tuned pipe to it now so I won't be able to visually see if gunk is exiting the exhaust or not so I just wanted to know if the solution is in the low speed needle setting or is this another problem?