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  #1  
Old 08-27-2021, 12:36 AM
Gunfighter19 Gunfighter19 is offline
 
Join Date: Dec 2019
Location: Ripon, CA
Posts: 3
Default Lyc IO-390 EXP119

Anyone care to share the process of putting the new IO-390 in an RV-8.

Paul Vander Schuur
209-602-7559
Building an -8
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  #2  
Old 09-19-2021, 07:32 AM
pipern9175d pipern9175d is offline
 
Join Date: Jan 2008
Location: Columbia, SC.
Posts: 8
Default In process now

I am in the process now. Info to come.
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  #3  
Old 05-08-2023, 01:07 AM
Presmini Presmini is offline
 
Join Date: Aug 2020
Location: Palo Alto, Ca
Posts: 77
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Curious if there are some good threads on this topic. My engine is coming later this year and not sure what finish kit changes to make.
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Paolo Resmini
SB RV-8 In Progress since 3/21
Empennage: Complete 3/21
Wing: Complete 11/22
Fuselage: Started 12/22
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  #4  
Old 05-08-2023, 06:18 AM
bmellis11 bmellis11 is offline
 
Join Date: Jun 2022
Location: Brooklyn, NY
Posts: 72
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Following.
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Ben Ellis
RV-8 - working on fuselage
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  #5  
Old 05-08-2023, 07:55 AM
Carl Froehlich's Avatar
Carl Froehlich Carl Froehlich is online now
 
Join Date: Dec 2007
Location: Dogwood Airpark (VA42)
Posts: 4,173
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I recommend installing Vanís new RV-14 snorkel designed for the 119 engine instead of the one Vanís sends you for the IO-360-M1B. It has been modified to provide better much better air flow into the 119ís FM-200 fuel manager - and is already set up to fit the FM-200.

I do not know if there will be any cowl interference or not. The horizontal injected RV-8 cowl gets very tight in the bottom front. I would not be surprised if you had to do some cowl work.

Carl
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  #6  
Old 05-08-2023, 08:51 AM
jclark jclark is offline
 
Join Date: Jan 2005
Location: Columbia, SC
Posts: 1,036
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Quote:
Originally Posted by pipern9175d View Post
I am in the process now. Info to come.

He (piper9175d, a friend of mine) did it.
[He does not post very often but if you send me a message, I can get it to him or ask him to check here and reply.]

"Outstanding Workmanship" award at AirVenture last year (I flew it there for him), and I think a lot of it had to do with his engine installation. .
Originally an IO360 but swapped out for IO390 119EXP after a few hours.

Worked with Don at Airflow Performance to "improve" the "snorkel" for better fit and better "flow" (per testing by Don).

Custom 4 into 1 exhaust made for it.

The engine both "growls and purrs". Pulls strong and runs smooth.
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James E. Clark
Columbia, SC
Former EAA Board Member
RV6, RV8 Flying
RV6A Hoping to get back to finishing soon
APRS
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  #7  
Old 05-08-2023, 10:35 AM
Freemasm Freemasm is offline
 
Join Date: Nov 2017
Location: Orlando
Posts: 1,145
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I'm gonna sound like the big hole today; will seem that I'm one of "those" guys.
I am not defending my choices or claiming that any particular option is better. Build the plane you want.

All that said, the mod'd straight valve O-360s will get you to about the same HP. It would be cheaper, take out a lot of customization/build time, other. It's a lot more than just making things fit. Do what you want but throwing something else out in case you had overlooked it.
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  #8  
Old 05-08-2023, 01:46 PM
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Laird Laird is offline
 
Join Date: Feb 2007
Location: SoCal
Posts: 238
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Quote:
Originally Posted by jclark View Post
He (piper9175d, a friend of mine) did it.

<Snip>

Custom 4 into 1 exhaust made for it.
James,

Do you recall who fab'd the exhaust?

Thanks, Laird
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  #9  
Old 05-08-2023, 02:06 PM
Freemasm Freemasm is offline
 
Join Date: Nov 2017
Location: Orlando
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Quote:
Originally Posted by Laird View Post
James,

Do you recall who fab'd the exhaust?

Thanks, Laird
Probably AWI, Aerospace Welding Inc
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  #10  
Old 05-08-2023, 04:23 PM
jclark jclark is offline
 
Join Date: Jan 2005
Location: Columbia, SC
Posts: 1,036
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Quote:
Originally Posted by Laird View Post
James,

Do you recall who fab'd the exhaust?

Thanks, Laird
Clinton Anderson
Clintco Industries DBA
Custom Aircraft Parts
El Cajon, CA

After a LOT of dimensional data was supplied, he built it (took some time) and when we got it back, it DID NOT FIT! There were certain nuances that could only be noticed when you try to put it on a plane with everthing ALREADY in place.

So ,,, we studied it for quite some time and followed the path of every curvature and determined that the whole assembly needed to be one (1) inch LOWER. The main pieces were sent back and redone.

This time everything FIT QUITE NICELY!

It was neither his nor our fault. It was CUSTOM 4-into-1 with a 390 EXP119 on an RV8 with an updated snorkel and that had not been done before to our knowledge.
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Columbia, SC
Former EAA Board Member
RV6, RV8 Flying
RV6A Hoping to get back to finishing soon
APRS
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