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  #1  
Old 12-19-2021, 05:39 AM
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Cwood2000 Cwood2000 is offline
 
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Location: Tallahassee, fl
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Default IO390 EXO 119 Cowl Mods

Couldn't find a thread on this. I have an old cowling and have ordered a IO390 EXP119 engine. Has anyone modified an older lower cowl? If so, is it possible to get a description of what was done. Or is it better to just order a new lower from Van's? Thanks!
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  #2  
Old 12-19-2021, 05:58 AM
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Jetmart Jetmart is offline
 
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I did not modify my cowl for the EXP engine however did modify it for Vettermans dual exhaust. I would't think it would be terribly difficult if your half decent with fibreglass. I never worked with glass prior and was able to do it.

Additional things to consider is price, shipping, and current availability of the new cowl. Will timing hold you up? If so you could alway give the modification a try. Not much to loose.
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1941 Tiger Moth
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  #3  
Old 12-19-2021, 06:09 PM
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Thanks Glenn, I'd like to see a cowl to see what mods need to be made. No problem working with glass.
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Last edited by Cwood2000 : 12-19-2021 at 06:09 PM. Reason: spelling
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  #4  
Old 12-19-2021, 06:44 PM
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https://www.kitplanes.com/vans-rv-14a/

https://www.facebook.com/photo/?fbid...75239356285370

There are many more if you search builders sites.
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  #5  
Old 12-20-2021, 03:59 AM
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I installed the EXP119 on my 14 with a new cowl, what I have been trying to find out are the mods on a RV8, not a 14. I have an older RV8 QB kit I am starting on and just ordered the engine etc. Nothing on FB pertaining to the 8.
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  #6  
Old 12-20-2021, 08:57 AM
jclark jclark is offline
 
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Quote:
Originally Posted by Cwood2000 View Post
I installed the EXP119 on my 14 with a new cowl, what I have been trying to find out are the mods on a RV8, not a 14. I have an older RV8 QB kit I am starting on and just ordered the engine etc. Nothing on FB pertaining to the 8.
I have a friend who is changing his IO360 to the 390 in his RV8.
So far, he has NOT modified his cowl but the air intake is being replaced with one that required some special work. His is using AFP fuel injection.

He is also having to have work done on his exhaust (4 into 1).

I will leave it up to him to comment further if he gets around to seeing this. Or, send me a not offline and I MIGHT be able to chat with you in person in Tallahassee one day during the holidays.
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  #7  
Old 12-20-2021, 09:09 AM
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Quote:
Originally Posted by Cwood2000 View Post
I installed the EXP119 on my 14 with a new cowl, what I have been trying to find out are the mods on a RV8...
Are you planning to use the exhaust intended for the 119 version of the 14, and install a variable area exit?
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  #8  
Old 12-20-2021, 10:19 AM
jclark jclark is offline
 
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Quote:
Originally Posted by jclark View Post
I have a friend who is changing his IO360 to the 390 in his RV8.
So far, he has NOT modified his cowl but the air intake is being replaced with one that required some special work. His is using AFP fuel injection.

He is also having to have work done on his exhaust (4 into 1).

I will leave it up to him to comment further if he gets around to seeing this. Or, send me a not offline and I MIGHT be able to chat with you in person in Tallahassee one day during the holidays.
My friend said that he did have to modify the INSIDE of the cowl for clearance to handle the fact that the prop governor is now forward top.
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  #9  
Old 12-21-2021, 03:53 AM
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Cwood2000 Cwood2000 is offline
 
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Quote:
Originally Posted by DanH View Post
Are you planning to use the exhaust intended for the 119 version of the 14, and install a variable area exit?
Yes, the exhaust and cowl flap were my areas of concern along with the prop governor. That is going to be a lot of cutting. Iíll call Vanís today and inquire as to what they have, if anything. I can use anti splatís cowl flap, because of the 8 more narrow fuselage, not sure how the exhaust will workout.
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  #10  
Old 12-21-2021, 03:55 AM
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Thanks James, I would like to talk to him, perhaps see what he has done.

CW
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