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Read our primer articles on High Mileage Oil, Synthetic Oil and Kinematic Viscosity

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.
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.
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
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
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.
While on the surface I would conclude that both the M1 and P1 are superior to the EaO, you've got to keep multipass ratings in perspective.

The reason this is so is due to the protocol used to rate a filter. The multipass tests required loading of the upstream fluid until the filter is saturated ..aka SHOT.

So you're not dealing with anything absolute right out of the box. You're reaching that level at the end of life.

The nominal rating is more indicative of sensible filter performance.

If you tracked the M1 vs. EaO over 5k and 10k on BITOG, you saw the EaO begin to catch up. The owner wasn't willing to entertain using the 5k or 10k filters over again to determine the performance in 15k-20k range.

The EaO is a 25k/1 year filter under just about all conditions. The M1 is a 15k one year filter where a one year OCI is sensible (which would be probably around 15k) The PureOne is (probably) a 15k/one year filter (same deal).


To make a better example, you could probably use an EaO over 4 or 5 5k OCI's ..3 with the M1 or PureOne. During the first 2, the M1 and PureOne will probably filter better. They're deeper into their lifespan toward saturation. Closer to their multipass rating.

Amsoil needed a ONE YEAR filter to compliment their ONE YEAR lubricants. They no longer needed to have intermediate filter changes to replenish additives. Hence, the EaO.
quote:
Originally posted by GeeAea:
While on the surface I would conclude that both the M1 and P1 are superior to the EaO, you've got to keep multipass ratings in perspective.

The reason this is so is due to the protocol used to rate a filter. The multipass tests required loading of the upstream fluid until the filter is saturated ..aka SHOT.

So you're not dealing with anything absolute right out of the box. You're reaching that level at the end of life.

The nominal rating is more indicative of sensible filter performance.

If you tracked the M1 vs. EaO over 5k and 10k on BITOG, you saw the EaO begin to catch up. The owner wasn't willing to entertain using the 5k or 10k filters over again to determine the performance in 15k-20k range.

The EaO is a 25k/1 year filter under just about all conditions. The M1 is a 15k one year filter where a one year OCI is sensible (which would be probably around 15k) The PureOne is (probably) a 15k/one year filter (same deal).


To make a better example, you could probably use an EaO over 4 or 5 5k OCI's ..3 with the M1 or PureOne. During the first 2, the M1 and PureOne will probably filter better. They're deeper into their lifespan toward saturation. Closer to their multipass rating.

Amsoil needed a ONE YEAR filter to compliment their ONE YEAR lubricants. They no longer needed to have intermediate filter changes to replenish additives. Hence, the EaO.


Which oil filter do you like better, and which oil filter would get clogged with the stuff arx breaks off faster, the Pure One or the EaO.
quote:
Originally posted by GeeAea:
While on the surface I would conclude that both the M1 and P1 are superior to the EaO, you've got to keep multipass ratings in perspective.

The reason this is so is due to the protocol used to rate a filter. The multipass tests required loading of the upstream fluid until the filter is saturated ..aka SHOT.

So you're not dealing with anything absolute right out of the box. You're reaching that level at the end of life.

The nominal rating is more indicative of sensible filter performance.

If you tracked the M1 vs. EaO over 5k and 10k on BITOG, you saw the EaO begin to catch up. The owner wasn't willing to entertain using the 5k or 10k filters over again to determine the performance in 15k-20k range.

The EaO is a 25k/1 year filter under just about all conditions. The M1 is a 15k one year filter where a one year OCI is sensible (which would be probably around 15k) The PureOne is (probably) a 15k/one year filter (same deal).


To make a better example, you could probably use an EaO over 4 or 5 5k OCI's ..3 with the M1 or PureOne. During the first 2, the M1 and PureOne will probably filter better. They're deeper into their lifespan toward saturation. Closer to their multipass rating.

Amsoil needed a ONE YEAR filter to compliment their ONE YEAR lubricants. They no longer needed to have intermediate filter changes to replenish additives. Hence, the EaO.


Non sensical.

Nomimal rating is done via measuring pores under a microscope.

Beta ratings ARE multipass efficiency. With particle counters on stream.

Betas are the standard.
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.

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