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From: "Douglas Brunner" <douglasbrunner@earthlink.net>
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Subject: Re: [LML] Re: Oil Temps and Oil Doors
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Temps in warm weather (Florida) are fine.

----- Original Message ----- 
From: <marv@lancair.net>
To: <lml>
Sent: Sunday, March 02, 2008 9:41 PM
Subject: [LML] Re: Oil Temps and Oil Doors


> Posted for "John Schroeder" <jschroeder@perigee.net>:
>
>  Douglas -
>  We have the same situation on our IO-550N in an ES. This winter, we noted 
> the
> temps in the lower 160's and with the oil cooler door fully closed they
> finally got up to about 185-190. 190 is about a minimum. We also run 
> 2300-2400
> and LOP at 8000'.
>  As I understand the reason for concern about oil temps being on the low 
> side,
> this is barely high enough, to cause the water in the oil system to 
> vaporize.
> Water condensing in the oil is a source of internal corrosion, and 
> corrosion
> has a considerable effect on things like getting to TBO.
>  One thing to check is your temp sensor in a hot oil bath. It may be 
> faulty.
> How are the temps in summer?
>  Cheers,
>  John
>
> --
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