REFLECTOR: Oil cooling

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-----Original Message-----
From: MMurp16900 at aol.com
To: reflector at tvbf.org
Sent: Sun, 13 Aug 2006 9:46 AM
Subject: Re: REFLECTOR: Oil cooling


Oil Temp.
To Dave ,Sid and all.
Have you complied with Lycoming service letter concerning machine the valve seat?.
We did that.
Be certain the temp. probe is looking at the return oil after it pass thru the coolers.
 
I tried this experiment.  ( LYC IO540 KIE5)
Removed the thermal valve,disassembled and modified the 3/16 dia. rod to new length 2.18"
This forces the  valve fully closed and all oil is sent to coolers all the time  regardless of temp.
The results were amazing.We see 30 F cooler temps.
I know this winter  it will be necessary to go back to the original rod length 1.466" so we can get cabin heat.
Mack Murphree
A/P I/A  EAA Technical Counselor
(775)246-9364
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