A different oil filter test
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Road Warrior
Joined: Jul 2013
Posts: 1,649
Likes: 443
From: Indianapolis
A different oil filter test
An interesting video I ran across today (Not Mine). He tests the filters with a UV luminescent (dirt) and then uses the UV light to see how much was filtered out.
These are filters for a BMW motorcycle.
I found the reusable SS filter test interesting.
Video-
Pictures of filters cut open:
https://bestrestproducts.com/oil-fil...ar-age-teaser/
Data:
https://bestrestproducts.com/wp-cont...d-03-14-18.pdf
Data:
These are filters for a BMW motorcycle.
I found the reusable SS filter test interesting.
Video-
Pictures of filters cut open:
https://bestrestproducts.com/oil-fil...ar-age-teaser/
Data:
https://bestrestproducts.com/wp-cont...d-03-14-18.pdf
Data:
Tourer
Joined: Feb 2016
Posts: 486
Likes: 155
From: British Columbia
Luminescent oil filter test
Yes the re-usable oil filter allowed the 20 - 25 micron size particles through. But it also had one of the best ratings to not allow bypass. I recall a lot of the paper filter manufacturers state that they filter down to 10 - 15 micron range. Given that the test particles were larger than the paper filter micron rating, why weren't more of the particles trapped out when squeezed through the filter. It would appear that the bypass valves on many allowed no filtration. So how hot and thin does your typical oil have to get before the by-pass valve seat and filtration begins ? Me, I use the Flow type re-usable filter. I would rather have 20-25 and up micron particles filtered out right away or sooner in the engine start cycle, than have by-pass occurring over a longer period of time till the oil warms and the by-pass valve seats. 2cents.
Road Captain
Joined: Jul 2015
Posts: 565
Likes: 152
From: Calgary, Alberta
Yes the re-usable oil filter allowed the 20 - 25 micron size particles through. But it also had one of the best ratings to not allow bypass. I recall a lot of the paper filter manufacturers state that they filter down to 10 - 15 micron range. Given that the test particles were larger than the paper filter micron rating, why weren't more of the particles trapped out when squeezed through the filter. It would appear that the bypass valves on many allowed no filtration. So how hot and thin does your typical oil have to get before the by-pass valve seat and filtration begins ? Me, I use the Flow type re-usable filter. I would rather have 20-25 and up micron particles filtered out right away or sooner in the engine start cycle, than have by-pass occurring over a longer period of time till the oil warms and the by-pass valve seats. 2cents.
One feature of the re-usable type I really like is that I can see what is being filtered out, so if I happen to see chunks, I know something is not happy (not that I have yet thank God). There is a magnet in there as well to help trap any ferrous metals in the mix.
Road Master
Joined: Sep 2013
Posts: 1,185
Likes: 248
From: Sterling IL.
Good info. I installed one of the PC Racing units last year, this past weekend was my first oil change. It was nice seeing a lack of debris for piece of mind as well as easy cleanup. Not cheap at $100 but its worth it for my sleep.
Road Warrior
Joined: May 2007
Posts: 1,434
Likes: 384
From: Arkansastan
I work on jet engines. The one I work on has two metal screen type filters, very similar to the ones sold for Harleys. These filters are in line with the oil tank and the pump. Want to know what filter is used after the oil goes through the engine and back to the tank? Yup, a synthetic paper type 3 micron scavenge filter. Why? Because it filters better than the metal screen type, which was basically designed to strain out larger metal particles and allowing maximum flow.
Seasoned HDF Member
Joined: May 2008
Posts: 21,129
Likes: 12,691
From: South Carolina
I work on jet engines. The one I work on has two metal screen type filters, very similar to the ones sold for Harleys. These filters are in line with the oil tank and the pump. Want to know what filter is used after the oil goes through the engine and back to the tank? Yup, a synthetic paper type 3 micron scavenge filter. Why? Because it filters better than the metal screen type, which was basically designed to strain out larger metal particles and allowing maximum flow.
I never saw a paper filter on a jet engine...
Road Warrior
Joined: May 2007
Posts: 1,434
Likes: 384
From: Arkansastan
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Seasoned HDF Member
Joined: Oct 2015
Posts: 8,463
Likes: 19,160
From: The Republic of Texas
Jet Engine versus Internal Combustion Engine ?
Just for the sake of curiosity and entertainment, I view some Forum topics. I always seem to learn something is why I like HDForums.
Just to add a question... How do Jet Engines and Internal Combustion Engines differ in their use and purpose of oil for lubrication? This is an Apples to Oranges comparison is it not?
Reading oil related threads and oil filter threads here in the Forums, I see folks talking about "microns" and particles that are suspended in oil circulating within the Engine. They talk about the Oil Filter By-pass valve and unfiltered oil. Well, has not the oil going through the By-pass valve already been filtered? The purpose of an oil filter is, to do its best to filter out "microns" of foreign particles suspended within the oil circulating within the Engine. Right? I'm just asking questions here, I don't claim expertise in any area.
Well, being curious like I am sometimes, I got to thinking, how big is a Micron? So, I researched that a bit. Here's a link describing the size of a Micron.
I hope you enjoy the video, I did. I believe it's helpful.
I'm gonna sleep better tonight knowing my oil filter is one less thing I need to worry about. Since I change my engine oil every 3000 miles, I'm more concerned about what type of oil my Bike likes best, rather than the oil filter I use. I'm not disagreeing with anyone's choice of oils or oil filters. I'm just adding to the conversation.
.
Just to add a question... How do Jet Engines and Internal Combustion Engines differ in their use and purpose of oil for lubrication? This is an Apples to Oranges comparison is it not?
Reading oil related threads and oil filter threads here in the Forums, I see folks talking about "microns" and particles that are suspended in oil circulating within the Engine. They talk about the Oil Filter By-pass valve and unfiltered oil. Well, has not the oil going through the By-pass valve already been filtered? The purpose of an oil filter is, to do its best to filter out "microns" of foreign particles suspended within the oil circulating within the Engine. Right? I'm just asking questions here, I don't claim expertise in any area.
Well, being curious like I am sometimes, I got to thinking, how big is a Micron? So, I researched that a bit. Here's a link describing the size of a Micron.
I hope you enjoy the video, I did. I believe it's helpful.
I'm gonna sleep better tonight knowing my oil filter is one less thing I need to worry about. Since I change my engine oil every 3000 miles, I'm more concerned about what type of oil my Bike likes best, rather than the oil filter I use. I'm not disagreeing with anyone's choice of oils or oil filters. I'm just adding to the conversation.
.
Last edited by benscratchin; Jun 1, 2022 at 09:26 PM. Reason: Added link and info:
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