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View Poll Results: Have you changed your oil cooler to a different size/brand?
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NO, the one I started with does the job.
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42 |
72.41% |
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YES, the one I started with didn't cut it.
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16 |
27.59% |
03-21-2007, 12:44 PM
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Join Date: Mar 2005
Location: ...
Posts: 2,049
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Oil Cooler Poll
I'm interested in finding out how many people have had to swap out their oil cooler for a different (typically better and/or larger) one at some point.
If your answer to the poll is YES, it might be helpful to list:
- typical temps (peak & cruise) before & after
- aircraft model
- engine type
- ignition type(s)
- compression ratio
- oil cooler installation details
- any relevant changes you made along with the swap-out
- etc.
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Dan Checkoway RV-7
Last edited by dan : 03-21-2007 at 12:48 PM.
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03-21-2007, 01:20 PM
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Join Date: Jan 2005
Posts: 4,283
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Too big
Stewart Warner 10599A was on my stock O320 RV-4 and it was OVER KILL. I replaced it** but keep the cooler for my new RV-7 with O360.
When I replaced the cooler on the RV-4, I moved it. It was hard mounted on the baffle behind #4. I mounted a smaller cooler by hanging it off the engine mount with adel clamps and some angle. A short SCAT and home made hose fittings on baffle and cooler completed the mod, which was a good change. The new cooler, a smaller 7 row Harrison (sorry part# ? piper/cessna).
Even with the mod, the oil temps where usually at the low end of green, about 170F. Only in the summer, flying in the desert South West, gross weight, wide open in climbs did I break into the 200F range. Before the cooler change and moving it to the engine stationary engine mount, I had several baffle cracks and cooler flange cracking.
__________________
George
Raleigh, NC Area
RV-4, RV-7, ATP, CFII, MEI, 737/757/767
2020 Dues Paid 
Last edited by gmcjetpilot : 03-21-2007 at 01:26 PM.
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03-21-2007, 01:23 PM
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Join Date: Jul 2006
Location: Corvallis Oregon
Posts: 3,547
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Replaved mine with the SW
The same one Dan and Walter used. I started out with this cooler cus both these guys had oil temp issues so what the heck...Oh and it works great.
Frank 7a, SJ cowl, i0360 parallel valve
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03-21-2007, 06:37 PM
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Join Date: Mar 2007
Location: Warrenton, VA
Posts: 273
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RV-8
CS Prop - Hartzell blended airfoil 74"
Mattituck TMX-IO-360
180 hp
8.5:1
Vertical Draft Fuel Servo
Dual Slick Mags
Standard Cowl
Standard Baffling
Stewart Warner 10599A cooler (8 row)
Oil Temp in Cruise 160F (winter) and 175F (summer)
CHT-s 300 to 350F
Used Stewart Warner 10599A cooler right off the bat after hearing others issues. For winter operation installed Van's new oil cooler shutter behind the cooler (not enough room up front for easy install with bigger cooler) and I can get my temps to 170F on a 30F outside temp winter day.
Even in the summer, I almost never see over 200 unless I am in a climb and high RPM/MP and low airspeed.
Last edited by N908RV : 03-21-2007 at 06:41 PM.
Reason: added additional info
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03-21-2007, 07:29 PM
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Join Date: Jan 2005
Location: KPYM
Posts: 2,686
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I am interested in seeing the results of this poll.
It seems that the 390 crowd will need a beefy oil cooler, from what I am told.
They say the Stewart Warner one is the one to use!
 CJ
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RV-7 Flying - 1,200 Hours in 5 Years!
The experiment works!
TMX-IO-360, G3i ignition & G3X with VP-X
Last edited by Captain_John : 03-21-2007 at 07:32 PM.
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03-21-2007, 07:37 PM
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Join Date: Jan 2005
Location: Round Rock, TX
Posts: 3,778
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Oil Cooler
Hey Dan,
I've tried www.checkowayoilcoolers.com with no luck? ;-)
What's up? Something new?
Keep up the good work! 
P.S. The lastest FWF kit sheet I have shows the Stewart Warner as Standard.
__________________
Reiley
Retired N622DR - Serial #V7A1467
VAF# 671
Repeat Offender / Race 007
Friend of the RV-1
Last edited by LifeofReiley : 03-21-2007 at 07:46 PM.
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03-22-2007, 10:32 AM
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Join Date: May 2005
Location: Canby, Oregon
Posts: 1,786
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I guess that extra oil cooler expense...
would be another additional cost to consider for those that are thinking about over powering thier RV9.
Kent
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Kent Byerley
RV9A N94KJ - IO320, CS, tipup
AFS 3500, TT AP, FLYING....
Canby, Or
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03-22-2007, 06:58 PM
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Join Date: Jan 2005
Location: Albany, GA for the moment
Posts: 294
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Quote:
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Originally Posted by LifeofReiley
P.S. The lastest FWF kit sheet I have shows the Stewart Warner as Standard.
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What Van's accessory catalog calls it is "Stewart Warner style". Having had both in my hands, there is a huge difference between a real Stewart Warner and the "Stewart Warner style". (I returned the **** they sent me and bought a real Stewart Warner.)
PJ
RV-10 #40032 |
03-22-2007, 09:52 PM
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Join Date: Mar 2005
Location: ...
Posts: 2,049
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Quote:
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Originally Posted by PJSeipel
What Van's accessory catalog calls it is "Stewart Warner style". Having had both in my hands, there is a huge difference between a real Stewart Warner and the "Stewart Warner style". (I returned the **** they sent me and bought a real Stewart Warner.)
PJ
RV-10 #40032
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Good observation. Check these side-by-sides out:
__________________
Dan Checkoway RV-7
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03-22-2007, 09:52 PM
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Join Date: Mar 2005
Location: ...
Posts: 2,049
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__________________
Dan Checkoway RV-7
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