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Re: Europa-List: Plug Color

Subject: Re: Europa-List: Plug Color
From: JEFF ROBERTS <jeff@rmmm.net>
Date: Sun, 2 Aug 2009 10:11:49

Craig,
All my cylinders are running within about 10 to 15 degrees of each 
other as I now have a shroud over the engine with a 2.5" hose cooling 
all the fins evenly.


On Aug 2, 2009, at 12:06 AM, craig bastin wrote:

> If your CHT's are much the same,The front two cylinders could be 
> running a touch richer due to imbalance in air flow because of less 
> than
> ideal design. If the front CHT's are a lot lower, you may be getting 
> incomplete combustion due to underheating, simmilar to when the engine
> is cold. Better a bit rich than too lean IMHO.
> 
> craig
>> 
>> Hi All,
>> Can anyone shed some light on why the front two plugs are black yet 
>> the back plugs are light brown as they should be?Jeff R.
>> A258 - N128LJ / Gold Rush
>
>



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