Mailing List lml@lancaironline.net Message #52829
From: <Sky2high@aol.com>
Sender: <marv@lancaironline.net>
Subject: Re: [LML] Oil cooler size 360 angle valve
Date: Mon, 31 Aug 2009 07:19:09 -0400
To: <lml@lancaironline.net>
Christian,
 
After spending all that money for such a nice engine, why wouldn't you get the best oil cooler?  Try Stewart-Warner.  They are made for aircraft, not a rework of automotive oil coolers.
 
Scott Krueger
 
In a message dated 8/30/2009 6:32:32 P.M. Central Daylight Time, lancair@meier.cc writes:
Hello,
I've installed an Lycoming IO-390 which is very similar to the IO360 
angle valve.
My only problem is the high oiltemp.
In cruise I have 195° to 210°   In climb after takeoff and landing I 
get 210° to 225°
Cyl head temp is between 350° to 380° never got higher than 400°
I use an Aero Classic cooler with 9 plates (8.14"x5.33"x3.62") in 
front of cyl 3
I've installed also a spoiler to force the air thru the cooler. 
Without this spoiler I've got 10° higher.
I used all the tips I could get from Chris Zavatson, which lowerd my 
temp already.
The next step will be a bigger cooler!

So I'm interested what size of cooler are you using.
Do positech coolers have a better performance as aero classic cooler?
Will constant higher oiltemp (210°) harm the engine.


regards,
Christian



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