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  #1  
Old 04-18-2022, 10:13 AM
turbo's Avatar
turbo turbo is offline
 
Join Date: Jan 2007
Location: Stuart, FL /Hartford, CT/Virgin Gorda,BVI
Posts: 3,264
Talking ring flush results

excellent results. thank you savvy aviation for making me aware of this procedure. some comps were in the low 70's with air leaking thru the oil fill tube. with some fluid leaking out the exhaust pipe during the flush I also removed the valve cover and gave the exhaust valves a good hit with my huge rubber hammer. comps now back to high 70's and oil consumption up from qt/8 hrs to qt/15 hrs. carry on.
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Ed D'Arcy
RV6-A 5,400+ hrs, R-44 1,700 hrs, Helicycle traded for 33 FFR coupe, 300 young eagles flown
Stuart, Fl / East Hampton,Ct / Virgin Gorda, BVI - villa sold.
VAF #840 EAA AOPA FAC FABA QB SPA
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  #2  
Old 04-18-2022, 05:29 PM
azonic75 azonic75 is offline
 
Join Date: Dec 2010
Location: Salem, OR
Posts: 138
Default It works

I think this is a useful trick. What did you do with all the "effluent"?!
The cleanup is the biggest hassle
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  #3  
Old 04-18-2022, 05:41 PM
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wirejock wirejock is offline
 
Join Date: Oct 2005
Location: Estes Park, CO
Posts: 5,365
Default Procedure

How about posting a link to the instructions?
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Larry Larson
Estes Park, CO
wirejock at yahoo dot com
Donated 12/01/2021, plus a little extra.
RV-7A #73391, N511RV reserved (3,000+ hours)
Empennage, wings, fuse, finishing kit done. Working FWF
Disclaimer
I cannot be, nor will I be, held responsible if you try to do the same things I do and it does not work and/or causes you loss, injury, or even death in the process.
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  #4  
Old 04-18-2022, 06:08 PM
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Special Delivery Special Delivery is offline
 
Join Date: Feb 2007
Location: League City, TX
Posts: 622
Default

https://resources.savvyaviation.com/...vent-flush.pdf
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Students build the airplane." -Glen Salmon

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  #5  
Old 04-18-2022, 06:30 PM
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Vlad Vlad is offline
 
Join Date: Oct 2008
Location: Utah
Posts: 8,548
Default

Great picture Turbo good memories sorry for off topic

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  #6  
Old 04-19-2022, 09:30 AM
abwaldal@gmail.com abwaldal@gmail.com is offline
 
Join Date: Jan 2017
Location: Battle Ground WA
Posts: 537
Default Ring flush

I just did this in the last couple weeks.

I for one thought it would be a great idea if it would work. Nothing to loose and a possible cheap helper.
I have an RV-6A with an 550 hour 0-360 Channel chrome cylinders, CS prop, SDS fuel and ignition burning a quart in 5 hours Areoshell W100 on Costco Premium. Compressions all good and borescope clean.
I did the flush per Savy instructions on a cold engine.
Cylinder #1,3,4 all flushed fine, But #2 the prop wouldn't turn. Did it 5 times and prop VERY hard to turn and solution just dribbled out.
Flew for 5 hours and repeated 5 times on #2 on the hot engine. I got the solution to flush out at about 40 percent of the other ones. Prop still hard to turn, But, it turned.
So? did it do anything to reduce oil consumption NO
I found no change. Good? bad? Not mine to say.
I am going to fly for another 10 hours and flush #2 again.
I even ran mineral oil for 40 hours before just for giggles. Then change to Phillips 15 40
Probably just fly and burn oil, Runs and starts great.
Not going to complain cause I've heard of others oil consumption and tell myself, I maybe lucky.
My three cent worth, Obviously your luck may vary, Art
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Last edited by abwaldal@gmail.com : 04-21-2022 at 11:03 AM. Reason: posted wrong info
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  #7  
Old 04-19-2022, 10:05 AM
Freemasm Freemasm is online now
 
Join Date: Nov 2017
Location: Orlando
Posts: 762
Default

Probably (always assumed) this is the original. Came from eth Camguard guy. It did unstick some rings for my hangar neighbor and help his oil consumption. Hung a sandbag on the prop because it was in hydraulic lock. Next day was able to flush with hand force only.
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  #8  
Old 04-19-2022, 04:56 PM
cajunwings cajunwings is offline
 
Join Date: Jun 2007
Location: new iberia la
Posts: 913
Default Ring Flush

Iíll be doing this at the next oil change on my Pacer with Lyc O-320-A motor. It has 850 smoh and uses 1 qt/4-5 hrs. Chrome cylinders, good compression, runs great. Thanks guys for posting your results. I will do the same.

Don Broussard
RV9 Rebuild in Progress
57 Pacer
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  #9  
Old 04-19-2022, 05:39 PM
BillL BillL is online now
 
Join Date: Sep 2007
Location: Central IL
Posts: 6,672
Default

turbo - - thanks for posting the results, a couple of questions if you don't mind -

a.What oil have you been using, predominantly.

b. does your engine have cooling jets under the pistons?

c. last - do you have timing advance, i.e. electronic ignition

Just curious as to some of the factors that influence the plugging of the oil return passages. I thought some pistons had larger return/relief passages, but I don't know much about these details.

Thanks,
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  #10  
Old 04-20-2022, 05:48 AM
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Location: Stuart, FL /Hartford, CT/Virgin Gorda,BVI
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Talking

Quote:
Originally Posted by azonic75 View Post
I think this is a useful trick. What did you do with all the "effluent"?!
The cleanup is the biggest hassle
I drained it into a 5 gallon bucket and saved it for next year.
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TURBO YES =VAF= Payed Jan2022
Ed D'Arcy
RV6-A 5,400+ hrs, R-44 1,700 hrs, Helicycle traded for 33 FFR coupe, 300 young eagles flown
Stuart, Fl / East Hampton,Ct / Virgin Gorda, BVI - villa sold.
VAF #840 EAA AOPA FAC FABA QB SPA
addicted pickle ball player
https://i.postimg.cc/tn3h4svg/IMG-3101.jpg
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