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Amsoil EAO vs PureONE

E ebolamonkeyMember
I've searched the forums and it seems that people choose the Amsoil filter over PureONE on 'faith' that the Amsoil brand is somehow better than every other brand.

After checking the specs for the Amsoil EAO filter and the Purolator PureONE filter I found something shocking... PureONE is actually better by the numbers.

According this this website: http://www.amsoil.com/storefront/eao.aspx

Amsoil tested their EAO with the industry standard ISO 4548-12 and found that the 15 micron efficiency to be 98.7%

PureONE's ISO 4548-12 for 5 micron is 50%, 10 micron is 92.8%, 15 micron is 99.2%, and 20 micron is 99.9%. [info source: e-mail response from the tech/engineer department].

I've e-mailed Amsoil about the 5/10/20 micron ratings that isn't listed on the website but it would seem that PureONE is better than Amsoil by the 15 micron comparison.

So... PureONE's filter is not recommended for 25,000miles oil change but Amsoil's EAO is by what logic? I guess if you trap more particles you have to change out the filter more often which means that the Amsoil one is probably letting more things through so it doesn't clog up and go into by-pass valve mode.

Any thoughts?

BTW, there was a thread about "Which is the Best Oil filter" in 2004. Back then Amsoil didn't have the EAO and people claimed that the Amsoil's SDF filter is a better choice than the PureONE. Amsoil claims that the EAO is MUCH more superior than the SDF. PureONE's numbers are a bit better than Amsoil's EAO (@15 micron so far at least). So... SDF>PureONE how?

This sort of support is similar to those who change over to cone air filters and say that there is 10-15hp increase by just putting on a filter. Did they dyno? No. They only had the 'butt' dyno claim when in reality if you do not tune rest of the intake exhaust system you will get at most 1-2hp and sometimes lose hp if you didn't heatshield the filter correctly from the engine bay heat.


[reference: https://forums.noria.com/eve/fo...=641607256#641607256
and
https://forums.noria.com/eve/fo...233608117#233608117]
Last edited {1}
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D dad2leiaMember
The only issue that I could forsee a problem with PureOne filter is the limited flow capability after it filters the oil for a while. Depending on the bypass valve differential setting, it could go into bypass mode faster than the EaO, depending again on the amount of crud and crap in the engine crankcase.

That being said, I have used just about every brand out there at one time or another, and the only ones I stay away from are the super el-cheapo no name ones that you can tell as soon as you look at them that they aren't going to filter much.

As much as I like the construction and figures of the EaO, the PureOne seems like a much better "deal" with filtration though. Right now, I have on Royal Purple filters (don't go there!), as they looked pretty decent in construction, but are a little more pricey than the PureOne.

In the end, it's whatever will make you happy that will win the filter battle that goes onto your engine block.
J jdblyaMember
I did not read that test. But I would like to believe that the mobil filter is not a better choice than the Ea filter. I run them on both my vehicles and boat, and really liked the added piece of mind. I remember reading older filter tests with the Mobil 1 filters, and the old SDF amsoil filters, I vaguely remember the pureone being slightly better than the mobil filter? but can not remember for sure. Do you have a link to that?
H herbMember
AMSOILS Ea oil filters efficiency ratings are "ABSOLUTE" PureOne is nominal. There is a big difference. Amsoil Ea filter are Absolute at 15 micron, meaning catching all contaminates at 15 micron.

PureOne is nominal at 15-20 microns meaning it will catch only 50% of these contaminates.

PureOne may show 99.9% efficiency rating but its at Nominal. The Ea is 98.7& but it's Absolute.
H herbMember
Also on the PureOne site it shows the efficiency rating at 20 micron at testing. Also see no mention of it being a Absolute efficiency rating, unless I missed something. It also does not have a guarenteed 25,000 mile / 1 year change interval.

The nanofiber technology of the filtration media used in the Ea oil filters is a Donaldson patent, and only is used in the Amsoil Ea and Donaldson Endurance oil filters, which are rated Absolute efficiency.
J jdblyaMember
so what exactly is the 25,000 1/yr guarantee mean? What are they guaranteeing? I know amsoil makes excellent products, but their SS0 oil is states a service life of 35,000 miles or a year, or severe of 17,500. I really have not seen any uoa with that type of mileage on a normal vehicle. The higher uoa tend to show that it is a very good oil, but sometimes I wonder what they base their claims off of.
R rttechMember
Hi Guys

We have been using the Pureoilater for more than 5 years with excellent results when compared to OEM Filters,
There is a new player we are importing filters from;
www.microgreenfilter.com/

These do work better than the Puroilater, we were concerned with the application being turbo charged that the amount of carbon would smother the filter but looking at the samples by Wear Debris Analysis, Our Lab Car, there was a noticable decrease in three body abrasive wear debris using the Soms Technology filter.


Regards


Rob S

www.rttech.com.au
A adfd1Member
From my investigation M1 and Pure one filters are both better as long as you aren't looking to push them for extended drains. Makes sense too. The Amsoil filters would have to let some of the smaller stuff pass through so they can go the advertised 25K OCI without clogging up. I'd rather trap the smaller stuff too, and change the filter a little more often. The M1 and P1 filters are cheaper too. win, win for me since I don't do extended drains. YMMV.
AD
G greenaccord02Member
I was replying to this, the last post on the first page. I (ignorantly) did not realize there was a page 2. My mistake.

FWIW, I want to see a Mobil 1 vs. PureOne Faceoff.

quote:
Originally posted by Herb:
AMSOILS Ea oil filters efficiency ratings are "ABSOLUTE" PureOne is nominal. There is a big difference. Amsoil Ea filter are Absolute at 15 micron, meaning catching all contaminates at 15 micron.

PureOne is nominal at 15-20 microns meaning it will catch only 50% of these contaminates.

PureOne may show 99.9% efficiency rating but its at Nominal. The Ea is 98.7& but it's Absolute.
L lamontbdumontMember
Um, there are many more companies with their brand on oil filter cannisters than there are companies that actually MAKE filters. Purolator, Fram, Wix, Hastings & a few other assemble most of the filters found on automotive engines in the US. I suspect the number is smaller still if you look at companies that actually manufacture filter media.

If you press these companies on who actually makes their filters, they may fess up, but then they will tell you how their filter was "specially designed blah blah blah...". That means "We went to a filter assembler, asked then what our options were; then we picked one."

Amsoil doesn't manufacture filters, nor does Mobil. It's all halo-effect marketing. You'll likely get the best combination of performance & price buying from a company that makes filters.
R robertcMember
I'll never understand why supposedly knowledgalbe people will use an inferior filter.

Really, you'll use a 15,000 mile 'severe' filter that does not work as well over a filter that FILTERS better?

What is the point of, oh, filtering if you do it wrong?

GA, I have a friend who does top of the line everything for his vehicle. and then throws it all out at 3,000 miles.

Go figure.
T timvipondMember
quote:
Originally posted by RobertC:
I'll never understand why supposedly knowledgalbe people will use an inferior filter.
Me too.

quote:
Really, you'll use a 15,000 mile 'severe' filter that does not work as well over a filter that FILTERS better?
What warranted filter performs better during a 15,000 severe miles oil and filter change than an EaO or a bypass filtration system? The 3500 Texas State Police cars use the EaO for 20,000 severe mile AMSOIL oil and filter changes for the past 10 years and had better used oil analysis, less wear and fewer repairs than when they used 2,000 to 3,000 mile conventional oil and filter changes. And saved a lot of time and money.

quote:
What is the point of, oh, filtering if you do it wrong?
Exactly.

quote:
GA, I have a friend who does top of the line everything for his vehicle. and then throws it all out at 3,000 miles.

Go figure.
They've been brainwashed by the oil companies that own quick lubes that promote 3,000 mile oil changes. Whose fault is that?
Last edited by timvipond
T timvipondMember
quote:
Originally posted by RobertC:
While the EaO is a good filter, it's not a great filter.

I'll sacrifice longevity for effectiveness. Else, why bother?
The EaO is a great filter. No question about it.

Who else makes a full flow, synthetic nanofiber 15 micron near absolute, higher flow and particle capacity, and a 25,000 mile/1 year warranty? No one. These filters have shown use in million mile gasoline engines with 30,000 mile oil and filter change intervals and very little wear.
Last edited by timvipond
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