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08-25-2014, 06:32 AM
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Join Date: Sep 2007
Location: New Brighton, Pa. 15066
Posts: 286
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Oil ! To Filter or Not to Filter ?
Talking at the Hanger Powwow last night the question was asked . If you have a 180 HP Lycoming and you use an Oil Filter , What is the Factory TBO ? And If you do Not use an Oil Filter What is the TBO ? As far as we could figure out , It is the Same ! Both are 2000 hrs. If you change Oil at the recommended Hrs. For either way .
What do you think about this ? 
__________________
14 planes owned ,11 bought ,3 built .
RV-8 N808H ,Sold
RV-6 Sold 😔
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08-25-2014, 06:59 AM
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been here awhile
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Join Date: Dec 2004
Location: North Alabama
Posts: 4,301
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Quote:
Originally Posted by HIIFLY
Talking at the Hanger Powwow last night the question was asked . If you have a 180 HP Lycoming and you use an Oil Filter , What is the Factory TBO ? And If you do Not use an Oil Filter What is the TBO ? As far as we could figure out , It is the Same ! Both are 2000 hrs. If you change Oil at the recommended Hrs. For either way .
What do you think about this ? 
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Sounds like a plan. 
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08-25-2014, 07:04 AM
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Join Date: Jun 2012
Location: Frederick, MD
Posts: 821
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If I recall correctly, no change in TBO published, however oil changes are recommended at 25 hrs with the screen and 50 hrs with the spin on filter.
I think there have been thoughts that the spin on filter filter helps to get you to TBO also.
__________________
Dan Morris
Frederick, MD
PA28-140
Hph 304CZ
RV6 built and sold
N199EC RV6A flying
Learn the facts. "Democracy dies in darkness"
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08-25-2014, 07:15 AM
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Join Date: Oct 2013
Location: Schaumburg, IL
Posts: 5,297
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You cut your oil changes in half, which should pay for the filter mount over the TBO period. Further, filtered oil has been proven to reduce wear on many different engine components and I cannot imagine how this would not increase the actual time before your engine NEEDS an overhaul, which is not really related to Manufacturers TBO.
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08-25-2014, 07:19 AM
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Join Date: Jun 2012
Location: Frederick, MD
Posts: 821
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__________________
Dan Morris
Frederick, MD
PA28-140
Hph 304CZ
RV6 built and sold
N199EC RV6A flying
Learn the facts. "Democracy dies in darkness"
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08-25-2014, 07:26 AM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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While both may make it to TBO, how close to the limits are the parts from the non-filtered engine and can they be reused?
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Bill R.
RV-9 (Yes, it's a dragon tail)
O-360 w/ dual P-mags
Build the plane you want, not the plane others want you to build!
SC86 - Easley, SC
www.repucci.com/bill/baf.html
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08-25-2014, 07:26 AM
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Join Date: May 2009
Location: Colorado
Posts: 302
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Like said previously the extra oil changes will cost as much as the filters. Something I didn't see mentioned is what a mess and pain in the rear it is to remove clean and reinstall the screen. I would give the advantage to the filter.
Ryan
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08-25-2014, 07:45 AM
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Join Date: Jul 2011
Location: Ponte Vedra, FL
Posts: 36
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All about oil
Watch this webinar "All About Oil" by Mike Busch. Quite informative and will help answer a few of your questions.
http://www.eaavideo.org/video.aspx?v=1149666747001
__________________
I'M NOT SPEEDING...I'M QUALIFYING.
Terry Peterson
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08-25-2014, 09:02 AM
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Join Date: Jan 2005
Location: NC25
Posts: 3,508
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Quote:
Originally Posted by 131RB
Like said previously the extra oil changes will cost as much as the filters. Something I didn't see mentioned is what a mess and pain in the rear it is to remove clean and reinstall the screen. I would give the advantage to the filter.
Ryan
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Not sure where you are buying your oil but the oil costs me more than the cost of the filter.
__________________
Gary A. Sobek
NC25 RV-6 Flying
3,400+ hours
Where is N157GS
Building RV-8 S/N: 80012
To most people, the sky is the limit.
To those who love aviation, the sky is home.
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08-25-2014, 09:30 AM
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Join Date: Dec 2006
Location: Oakland CA
Posts: 771
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The ability to cut open and inspect the filter is a great help in determining if you actually are going to make it to the completely theoretical TBO...as is oil analysis. I certainly wouldn't go filterless without committing to an analysis program religiously. I thnk in the spirit of hangar discussions you still can't make a convincng case for no filter. The cost of the engine and down time argues in favor of giving yourself every option of keeping things clean internally. I just don't see a downside to filtration. My old Aircoupe even had an option of putting heatsink fins on the filter to help bring down oil temps on the mighty C-90!
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All Best
Jeremy Constant
RV7A "Stella Luna" ECI IO-360 WW200RV Pmags 360hrs
VAF 2019 paid plus some for those who can't
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