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  #1  
Old 01-16-2022, 05:59 PM
lukejb lukejb is offline
 
Join Date: Dec 2013
Location: Flower Mound, Texas
Posts: 17
Default Help with Oil Cooler Selection for RV8 w/ Angle Valve IO-360

I am needing to change out oil cooler on my RV8 and trying to see what the best option is. I am in Texas so optimum cooling is important. I was running a PosiTech 4215 mounted to baffling behind #4 before it broke a flange. Searched through the VAF archives on this first but most of the threads I found were pre 2010 and many of these coolers like PosiTech and Harrison are no longer around.

I was looking at the Aero Classics HE Series Part #8001599 (8 row 6" long core) this is an $875 unit. From my understanding this is a former Stewart Warner unit that is now Aero Classics.

There was also an Aero Classics Remote Mount 9 Row Part #8000074 for around $390.

Both of these look very similar. From all I can tell the HE series is a "Bar & Plate" design and the Remote Mount is a "Drawn Cup". Not exactly sure of the difference and if one is much more superior to the other.

Does anyone have any experience in using either of these in a hot climate and have any recommendations for io-360 angle valve?
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  #2  
Old 01-16-2022, 06:15 PM
N82VM N82VM is offline
 
Join Date: May 2017
Location: Warrenton, VA
Posts: 159
Default

Just bought mine from Pacific Oil Coolers. #8001599, For a parallel valve. Give them a call. Wayne explained everything in detail. Hell get you set up. The HE line are most like the original Stewart Warner. Higher quality, better fin material.
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  #3  
Old 01-16-2022, 06:38 PM
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Nick Nick is offline
 
Join Date: May 2007
Location: Rosharon, TX
Posts: 181
Default

Airflow X Series 2006X

Best cooler I've found yet.

https://www.aircraftspruce.com/catal...sOilCooler.php

PN: 08-06154
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  #4  
Old 01-16-2022, 07:10 PM
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pilotkms pilotkms is offline
 
Join Date: Mar 2007
Location: WARNER ROBINS, GA
Posts: 589
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Wayne knows oil coolers. Bought mine from him (Pacific Oil Cooler) years ago. 9 row, 8001689. Firewall mounted using the RV10 mount. Rare to see my oil temp exceed 190. And only if extended climb midsummer.
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  #5  
Old 01-16-2022, 07:40 PM
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Walt Walt is online now
 
Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
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Just for ref this is the one I use for HC 370 with piston squirters, works great but mounted on the firewall now.
Aero Classis HE
10611R 8001649 11 ROW 6" LONG CORE, 08-07432
$875.00
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Last edited by Walt : 01-16-2022 at 07:47 PM.
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  #6  
Old 01-16-2022, 08:11 PM
Rallylancer122 Rallylancer122 is offline
 
Join Date: Aug 2013
Location: Oconto, WI
Posts: 307
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Quote:
Originally Posted by Nick View Post
Airflow X Series 2006X

Best cooler I've found yet.

https://www.aircraftspruce.com/catal...sOilCooler.php

PN: 08-06154
I'll second this. I used a Showplanes style mount.

https://showplanes.com/ecom-prodshow/OCM-8.html

Wayne at Aero Classics was great on a bigger cooler for my Cardinal, and he sent me a bunch of options for my RV8. However the 2006x is a monster. I wanted the biggest baddest cooler I could find, and 2 years ago this was it.
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  #7  
Old 01-17-2022, 12:03 AM
scsmith scsmith is offline
 
Join Date: Jan 2008
Location: Ashland, OR
Posts: 3,088
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Quote:
Originally Posted by Nick View Post
Airflow X Series 2006X

Best cooler I've found yet.

https://www.aircraftspruce.com/catal...sOilCooler.php

PN: 08-06154
This is essentially the same cooler that Vans sells for the RV-10 and the angle-valve engines. I made a firewall mount similar to the RV-10 mount but with the angle adjusted to align with the engine mount tubes.

Be sure to supply it with plenty of air. 4" Scat tubing, and a good diffuser transition from the 4" duct to the cooler box.
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  #8  
Old 01-17-2022, 12:11 AM
PhilCobbin PhilCobbin is offline
 
Join Date: Jul 2010
Location: Rimrock AZ, ac at KFLG Hanger 9
Posts: 4
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I did an IO-540 cooler on firewall...emphasis firewall...it's too big for mounting on the back side of the cylinder. That said put a 30 degree down extension on exit ramp from cowling. That exit ramp/cowl flap did the trick. And My bird flies at high density altitude. Good luck.
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  #9  
Old 01-17-2022, 02:19 PM
calpilot calpilot is offline
 
Join Date: Aug 2018
Location: Independence
Posts: 230
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My advice.... stay with a Stewart Warner clone available from Pacific Oil Cooler, you will write one check, and never worry again about Oil temps! The SW is about 30% more efficient than most of the "others".

DAR Gary
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  #10  
Old 01-17-2022, 02:32 PM
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pilotkms pilotkms is offline
 
Join Date: Mar 2007
Location: WARNER ROBINS, GA
Posts: 589
Default How do u drain it ??

This is how I drain the extra quart of dirty oil from mine :
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900+ Hours & 7X cross the USA
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