I have my cooler on the rear baffle, as does Dennis with the 360, and no problems cooling in the hottest days (+30 C) and during long climbs. Anything less than 20 C OAT, and I have to partially block mine to get it up to 180 F.
CHT's have always been my challenge. With the new engine, I can keep them to below 435 on a hot day long climb, and below 400 in cruise. As it is getting broken in, I think it is running even cooler now too. One thing I noticed, is that if I put it in flaperon reflex, my CHT's cool down about 20 degrees. What is weird about this engine is that the front CHT's are running hotter than my rear ones. With the 320, the rear ones were the hottest, mostly #3. Anybody else experience this?
What are your CHT's running at?
My bottom cowl outlet is much larger, probably 2X the inlets which I have not enlarged on this one. The other thing that I haven't done yet, is ramp my upper inlets, to see if that helps further. With my old 320, I finally resorted to bigger inlets after doing everything else, but I think I can get away without that with this one. One other thing, I am allowing some air around my carb inlet to flow past. Was told that helps, but haven't tried it sealed, so can't confirm that.
Walter
----- Original Message -----
From: John W <chileman88@yahoo.com>
Date: Wednesday, August 20, 2008 10:05 am
Subject: [rebel-builders] Elite Heat
To: bobp@prosumers.ca
Cc: rebel-builders@dcsol.com
Hi Bob,
Any suggestions on how to get the oil temp down on my Elite ?
Running at 22o on an 85 degree day.
I have enlarged the lower cowl bottom cutout to 1.25 the inlet
in sq inches- increased the scat hose cooling hose from the
baffle from 1 inch to 3 inches and redirecting it onto the oil
filter ,swapped out the Positec 7 row for as Niagra 8 row
and have as of yet not achieved much reduction (5-7
degrees)in oil temp.
Have a Stuart Warner filter but am resisting the firewall
retrofit until I am out of options?
Tks
John W
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