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  #1  
Old 06-10-2018, 07:41 PM
Jwputnam Jwputnam is offline
 
Join Date: Nov 2014
Location: Marco Island, FL
Posts: 85
Default Oil cooler mount

I have searched the forum on the positioning of the FF-709 oil cooler bracket on the 705 baffle and have come up empty handed. I have a new IO-320 with vertical induction being installed with the recommended 360 cowl.

Can someone give me a recommended height for the FF-709? Someone must know this number. “As high as possible” is not a lot of help. It is so frustrating to be stopped cold when you have just so much time to get a section done. (Had to complain a little.)

Thanks
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  #2  
Old 06-10-2018, 09:00 PM
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JohnInReno JohnInReno is offline
 
Join Date: Jun 2005
Location: Prescott Valley/Chandler AZ
Posts: 281
Default air flow

I have the same setup on my 9A.

ďAs high as possibleĒ means you want to picture the air flow through the cooler. If mounted too low, the #4 cylinder blocks much of the air flow.

I hope these pictures help:


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  #3  
Old 06-11-2018, 04:57 AM
Jwputnam Jwputnam is offline
 
Join Date: Nov 2014
Location: Marco Island, FL
Posts: 85
Default

Interesting. Thank you. It looks as if the cooler gets pretty well blocked even as high as you have it, but it must work or Vans would not have designed it like this I would guess.

It appears that your installation barely raised it above the bottom of the 705, but any higher and you would have invaded the cowls space. I get it. I will mock it up on my engine this am and build on.

Thanks. Visuals sure help.
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Last edited by Jwputnam : 06-11-2018 at 05:30 AM.
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  #4  
Old 06-11-2018, 08:09 AM
RV9A Bill RV9A Bill is offline
 
Join Date: Aug 2008
Location: Lawton, OK
Posts: 256
Default Oil cooler mounting

Mounting the oil cooler on the firewall also works really well. I donít have a picture handy, but the firewall mount is very straightforward. Works great in my 9A.
RV9A Bill
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