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Posted
Moved my previous post to here:  This is a very simple catch, but it may help someone out there.  When doing an oil change today (on a cool day, it’s kind of like watching sap flow out of a maple tree..) I try to do a thorough look at the engine and components.  I noticed two preheat wiring connectors were not completely seated/snapped together.  Preheat is great when the heat is evenly distributed, but it’s best if juice is flowing to all of the heating pads or probes! 

I also try to make a habit of looking at the EGT’s and CHT’s in addition to oil temp during pre-Flight just to make sure that everything heated up evenly. EGT are a nice guesstimate of where the indirectly heated parts of the engine (i.e. everything other than cylinders and oil) are likely sitting.


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Posted
1 hour ago, 802flyer said:


I also try to make a habit of looking at the EGT’s and CHT’s in addition to oil temp during pre-Flight just to make sure that everything heated up evenly. EGT are a nice guesstimate of where the indirectly heated parts of the engine (i.e. everything other than cylinders and oil) are likely sitting.


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Agreed.  Here in North Texas, actually preheat is called Spring time.

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