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Why hasn't someone made a more efficient filter? #5106820 05/16/19 10:36 AM
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Patman Offline OP
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I'm curious as to why no manufacturers out there have made an oil filter than is even more efficient than what we currently have, let's just say something that's 99% efficient down to 10 or 15 microns instead of the current best which seems to be around 99% at 20 microns. Surely the technology must exist.


2018 Corvette, 17k, M1 ESP Formula 5w30 & NAPA Gold
2006 Civic EX Coupe, 152k, PUP 5w20 & Fram Ultra
2010 BMW 328i X-Drive,121k, GC 0w40 & Fram Ultra

Re: Why hasn't someone made a more efficient filter? [Re: Patman] #5106823 05/16/19 10:40 AM
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Quattro Pete Offline
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Is more filtration really needed? Do engines fail because existing filters don't filter enough? Will more efficient filters restrict flow too much?



2002 530i   2015 Q5 3.0T   2018 Charger SRT
Re: Why hasn't someone made a more efficient filter? [Re: Patman] #5106824 05/16/19 10:40 AM
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dwendt44 Offline
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The cost would be through the roof. Plus the larger media would require a larger
'can' to meet oil flow requirements. Many engines don't have room for a giant filter can.


My 2¢


There's no such thing as:
Too big of a battery,
Too large of a gas tank,
or too loud of a horn,
or too bright headlights.
Re: Why hasn't someone made a more efficient filter? [Re: Patman] #5106825 05/16/19 10:42 AM
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CT8 Offline
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What is the need ?

Re: Why hasn't someone made a more efficient filter? [Re: Patman] #5106827 05/16/19 10:43 AM
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hallstevenson Offline
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Because it's truly not necessary ? What's the difference between 10 microns and 20 microns ? And I'm only asking these two questions: 1) At what level will the filter trap additives ? 2) Will flow be (too) restricted ?

Cost will be a factor too. It might cost substantially more while there's no need for it.

Re: Why hasn't someone made a more efficient filter? [Re: CT8] #5106845 05/16/19 11:03 AM
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JohnnyJohnson Offline
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Originally Posted by CT8
What is the need ?



Maybe this.

Miles to first overhaul.jpg

2004 Corolla 136904
Out: Havoline Pro DS 10w-30 Purolator PureOne 10-29-19 136457
In: Pennzoil Platinum HM 5W-20 ST 4386
2006 Duramax 76703
Out: T6 5W-40 XG9100 73705
In: Rotella Dino PH9100 11-3-19
Re: Why hasn't someone made a more efficient filter? [Re: Patman] #5106847 05/16/19 11:05 AM
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brages Offline
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The "toilet paper" bypass filters claim to remove extremely small particles at a low flow rate... https://www.frantzfilters.com/

Re: Why hasn't someone made a more efficient filter? [Re: Patman] #5106851 05/16/19 11:08 AM
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MolaKule Offline
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I thought that was what By-pass filters were made for.

There is a trade-off between particle filtering capabilities and cost. smile


"Dr. Larry Fleinhardt:
You know that it's considered unsolvable?
Charlie Eppes:
Well, certainly people who have failed to solve it might think that." From NUMB3RS
Re: Why hasn't someone made a more efficient filter? [Re: CT8] #5106852 05/16/19 11:08 AM
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Patman Offline OP
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Originally Posted by Quattro Pete
Will more efficient filters restrict flow too much?

Considering how well the Fram Ultra flows in it's current form, couldn't they just tweak that media a little bit in order to filter even better, while not compromising flow by much?

Originally Posted by CT8
What is the need ?

I'm mainly just curious as to why they don't exist, from a technical standpoint. But I'm also wondering why someone wouldn't do this and market the heck out of it in order to grab a bigger slice of the DYI oil change market. Performance enthusiasts would snap them up, even though most of them probably won't see the long term benefits of finer filtration.

I've always believed that the more efficient the better, even if it's overkill for most people since they trade their cars in long before the engine wears out.

Re: Why hasn't someone made a more efficient filter? [Re: MolaKule] #5106853 05/16/19 11:10 AM
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Patman Offline OP
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Originally Posted by MolaKule
I thought that was what By-pass filters were made for.

There is a trade-off between particle filtering capabilities and cost. smile


True, but even if they charged $15 or $20 (as opposed to the $10 for the Ultra) they could still be popular.

As far as bypass filtration goes, I think the complexity of it scares a lot of people away. Having a simple spin on filter that is super efficient would be more user friendly.

Re: Why hasn't someone made a more efficient filter? [Re: dwendt44] #5106859 05/16/19 11:17 AM
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BMWTurboDzl Offline
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Originally Posted by dwendt44
The cost would be through the roof. Plus the larger media would require a larger
'can' to meet oil flow requirements. Many engines don't have room for a giant filter can.

My 2¢

This. There's simply no room and it's not needed. Insufficient filtration is no longer a failure point.


“It took untold generations to get you where you are. A little gratitude might be in order. If you’re going to insist on bending the world to your way, you better have your reasons.”

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Re: Why hasn't someone made a more efficient filter? [Re: BMWTurboDzl] #5106878 05/16/19 11:52 AM
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Patman Offline OP
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Originally Posted by BMWTurboDzl
This. There's simply no room and it's not needed. Insufficient filtration is no longer a failure point.

But maybe we need to think of it in terms of not the failure point, but keeping the engine running perfectly for the entire time you own the car. If finer filtration means the engine stays "as good as new" for a longer period, isn't that worth it? In other words, maybe that engine with 100k on it now doesn't burn any oil, instead of using a quart every 5k if it was slightly worn. Maybe it's making 98% of it's original horsepower instead of being down to 90%. Maybe it still gets the same MPG as new, instead of it dropping by a few %.

Re: Why hasn't someone made a more efficient filter? [Re: Patman] #5106884 05/16/19 11:57 AM
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Wasn't this the idea behind the Microgreen filters?
Integrated bypass to filter out the tiny particles while maintaining full flow in one modestly sized package?
I guess the question is if they actually did what they said...I know there was some controversy about the end product possibly being a total [censored] of the original intent and the idea man behind it supposedly being forced out of the company.


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Re: Why hasn't someone made a more efficient filter? [Re: Virtus_Probi] #5106910 05/16/19 12:22 PM
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4WD Offline
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Whatever happened to those … any users still here ?

Re: Why hasn't someone made a more efficient filter? [Re: Patman] #5106927 05/16/19 12:44 PM
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1st: oil filter is not the limiting factor of vehicle life, the current cheap oil filter is good enough before other things kill the car (rust, transmission, head gasket, turbo, accident, exterior, fashion, etc)

2nd: we already have toilet paper bypass filter, most people decided it is not worth the trouble and cost.

3rd: you still need to change the oil and add additives, so why bother. You also have to add oil to deal with burning, etc.

The OEM can make the filter 2x or 3x as big, but they still get changed when it is not filled up, so they shrink it to make it cheaper to make, cheaper to ship, cheaper to stock, and cheaper to dispose.

Last edited by PandaBear; 05/16/19 12:46 PM.

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