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Oil cooler on EA-81?

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gregw(at)aeromarket.com.a
Guest

Posted: Sun Nov 29, 2009 5:34 pm Post subject: Oil cooler on EA-81?

Hi all,



I've spent the last month trying to stop the EA-81 in my 601 HDS

overheating. This has only occurred since the engine was rebuilt with 10

thou oversize pistons, new bearing etc.



I've now decided to fit an oil cooler to solve the problem and am hoping

to get some pointers on how to best do this. Could anyone with an oil

cooler on this engine aircraft combination (or a 610 XL or 650) please let

me know how and where they've mounted the oil radiator, naca dicts etc?

Photos would be excellent please.



I'd also like to know how to fit the oil cooler adaptor plate. The ones

I've seen on other aircraft are about 20 mm 93/4 inch) thick and fit

between the oil fliter and the engine. The stratos EA-8a has the oil

filter very close to the engine mount and uses a short Briggs And Stratten

oil filter to fit in the gap so I don't think the adaptor plate will fit

there.



Any advice appreciated.



Cheers,



Greg.

-- 

Greg Wilson

www.aeromarket.com.au

Free photo classifieds for all Aero-sports

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Louie928

Joined: 15 Nov 2009
Posts: 32
Location: Mosier, OR USA

Posted: Sun Nov 29, 2009 11:22 pm Post subject: Re: Oil cooler on EA-81?

If I understand correctly, you didn't have a problem with overheating (oil ?) before the overhaul and now you do? I think there could well be a problem with the engine. Clearances too tight? Air in the cooling system?

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_________________
Louis W. Ott

601XL-B Corvair

bryanmmartin

Joined: 10 Jan 2006
Posts: 1018

Posted: Mon Nov 30, 2009 6:29 am Post subject: Oil cooler on EA-81?

Has the engine been thoroughly broken in? The problem may resolve itself when the rings finish wearing in. Otherwise, increasing the airflow around the oil pan may help. I have a baffle mounted to the top front of my engine to force more airflow down around the pan. If you need an oil cooler, you may also need to use a remote mounted filter. I don't know if such a thing is available for the EA-81.



 	  Quote: 	
		   

 

 Hi all,

 

 I've spent the last month trying to stop the EA-81 in my 601 HDS

 overheating. This has only occurred since the engine was rebuilt with 10

 thou oversize pistons, new bearing etc.

 

 I've now decided to fit an oil cooler to solve the problem and am hoping

 to get some pointers on how to best do this. Could anyone with an oil

 cooler on this engine aircraft combination (or a 610 XL or 650) please let

 me know how and where they've mounted the oil radiator, naca dicts etc?

 Photos would be excellent please.

 

 I'd also like to know how to fit the oil cooler adaptor plate. The ones

 I've seen on other aircraft are about 20 mm 93/4 inch) thick and fit

 between the oil fliter and the engine. The stratos EA-8a has the oil

 filter very close to the engine mount and uses a short Briggs And Stratten

 oil filter to fit in the gap so I don't think the adaptor plate will fit

 there.

 


	


-- 

Bryan Martin

N61BM, CH 601 XL,

RAM Subaru, Stratus redrive.

do not archive.

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_________________
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive.

larry(at)macsmachine.com
Guest

Posted: Mon Nov 30, 2009 6:50 am Post subject: Oil cooler on EA-81?

Greg,

A friend, Kelly Meiste placed his oil cooler adapter where the filter 

goes and then extended his lines to make the

now large filter a finned adaptation that works rather well. You could 

place the conventional cooler on one side of the

lines and hide the filter elsewhere. See attached images.



Larry McFarland 601HDS at www.macsmachine.com



Greg Wilson wrote:

 	  Quote: 	
		   



 Hi all,



 I've spent the last month trying to stop the EA-81 in my 601 HDS

 overheating. This has only occurred since the engine was rebuilt with 10

 thou oversize pistons, new bearing etc.



 I've now decided to fit an oil cooler to solve the problem and am hoping

 to get some pointers on how to best do this. Could anyone with an oil

 cooler on this engine aircraft combination (or a 610 XL or 650) please let

 me know how and where they've mounted the oil radiator, naca dicts etc?

 Photos would be excellent please.



 I'd also like to know how to fit the oil cooler adaptor plate. The ones

 I've seen on other aircraft are about 20 mm 93/4 inch) thick and fit

 between the oil fliter and the engine. The stratos EA-8a has the oil

 filter very close to the engine mount and uses a short Briggs And Stratten

 oil filter to fit in the gap so I don't think the adaptor plate will fit

 there.



 Any advice appreciated.



 Cheers,



 Greg.

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oil_filter_adapter_at_engine.JPG

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flyboy3847(at)onecommail.
Guest

Posted: Mon Nov 30, 2009 8:24 am Post subject: Oil cooler on EA-81?

I mounted a racing Oil Cooler on the right front just behind the cowling on

my 601HD.  Our oil temps are in the 180- 90's We set up an adapter to the

original filter mount and ran lines to a remote filter assembly mounted on

the firewall.  This works very well and doesn't add that much weight.



Leroy Wheeler

--

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