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Antique Engine Archives All archived posts from 1999 to 2004 when SmokStak was on EnginAds. This is a read-only board.

Antique Engine Archives


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Old 01-01-2003, 06:22:48 PM
mark K
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Default Mufflers

I have a two piece cast ball type muffler on a 3HP hit & miss.Has anyone added any baffels to these to get them to run quieter, Any other suggestions. Some engines you see run much quieter than others
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Old 01-02-2003, 01:01:25 PM
Joe Morris
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Default Re: Mufflers

Mark,Too much baffel in a hit and miss engine muffler will cause the engine to slow down and fire more often as if it is under load. This is due to the fact that the engine has to "breath" when on the miss cycle and if the air flow is restricted by too many baffels it creates a vacuum behind the piston as it travels down and in some cases the restriction will even cause the engine to pull in fuel on the miss cycle because of the vacuum.

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