REFLECTOR: Oil cooling

[nmflyer1 at aol.com]

 Hey Mack, 
 
Do you have the number of that Lyc. Service Letter?.  And/or would it apply to an O-540 B2B4?
 
Id like to look that up for my Cherokee 235 if it applies. 
 
Thanks,   Kurt Winker 
173 FGE, 340HP Chevy Aluminum V-6
Update:   Panel installed, and everything wired to it except the wires that connect to the overhead switch panel (lights only). Half the antenna connections done, hope to put in Throttle/Mixture cables in the next couple days. 
 
PS, any new updates Al?......
 
 
-----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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