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Randy,
My 360 gets it's oil cooled by a 3" and 2" scat
from the back of the plenum to the oil cooler.
(Certainly is crowded with the short
mount.)
Maybe you could add some ducting on your
setup.
Another thing that helps is a good plenum.
Efficiently air cooling the heads takes more of the thermal load off the
oil.
Mark Ravinski
360 1458 hrs
----- Original Message -----
Sent: Friday, March 06, 2009 7:53
PM
Subject: [LML] oil cooling
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All,
I am looking for suggestions on how to
lower my oil temps. I am running an IO 320 on the original 235 frame. On
warm days in a climb I have trouble keeping them below 220. I usually
have to flatten out the climb to cool things down if they get up to 230
or so. Once in cruise it is not a problem and they will settle around
210. I would like to get them down to 190 if possible. The problem is on
a 75 plus degree day when the airplane is already warm from flying and I
need to go again. I am picking up outside air on a naca vent on the left
side of the cowl. There is a 6" length scat tube (4"diameter) connecting
the cowl inlet to a glass expansion section that is connected to the
cooler.(see pics). It just dumps in the lower cowl area.
I am running
a Stewart Warner oil cooler that many have had success with.
I
have tried larger hoses to the cooler now using -8's and also removed
the 90 deg fittings I used to have to improve flow.
I suspect my
ducting and or connection to the cooler could be improved. I am looking
for suggestions that could be done without cutting the
cowl.
Thanks in advance!
Randy
L.Snarr
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