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#4401785 - 05/11/17 09:39 AM Purolator Boss- very disappointing
njohnson Offline


Registered: 05/30/07
Posts: 569
Loc: Indiana
My brother has been using the Purolator Boss filters on his car. He changed the oil in January, and then yesterday. I looked over the filters, hoping to find nothing wrong or out of the ordinary, but, I found a couple things.

I cut open the filter from January and found the anti-drain back valve cracked. It looked fine, but when I picked it up and flexed it, that was when I discovered the cracks and splits in it.
The slots in the center tube were open in this one. I was surprised by the media. There wasn't really any spacing between the pleats. Purolator packed it so full of media that there wasn't any space between the pleats. I tried moving them with my thumb, they didn't want to budge. I guess that is a good thing? Don't have to worry about wavy pleats that way!

The filter from last night, I have not cut it open yet, but, looking down into it, the slots of the center tube are barely open. They are just slits. The oil filter from January were open compared to this one. Some of them didn't look like they were open at all. I can't imagine how well the oil was flowing through these tiny slits.

I am very disappointed with Purolator. I hope they get their act together and fix this issues. We were using the older blue, synthetic filters, and I thought they were good filters. Purolator is making me leery about using any of their new products as of now. I hope they work out the issues and start producing good products again.


Edited by njohnson (05/11/17 09:46 AM)

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#4401789 - 05/11/17 09:42 AM Re: Purolator Boss- very disappointing [Re: njohnson]
FordBroncoVWJeta Offline


Registered: 04/16/16
Posts: 719
Loc: KS
pics?
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#4401792 - 05/11/17 09:45 AM Re: Purolator Boss- very disappointing [Re: njohnson]
skyactiv Offline


Registered: 03/02/13
Posts: 4176
Loc: The Midwest
Pics or your thread is worthless.
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#4401819 - 05/11/17 09:57 AM Re: Purolator Boss- very disappointing [Re: njohnson]
slybunda Offline


Registered: 05/06/14
Posts: 439
Loc: UK
without pics you is a liar laugh
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#4401841 - 05/11/17 10:12 AM Re: Purolator Boss- very disappointing [Re: njohnson]
BigD1 Offline


Registered: 08/12/15
Posts: 2573
Loc: NC
Pretty sure I have seen pictures on the forums here of the ADBV having cut slit marks because of the sharp edges left over from the machine work.
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#4401870 - 05/11/17 10:41 AM Re: Purolator Boss- very disappointing [Re: njohnson]
Triple_Se7en Offline


Registered: 12/04/04
Posts: 8587
Loc: 1/2 hr. north of Detroit
How old are these Boss Filters? Where were they purchased?

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#4401910 - 05/11/17 11:15 AM Re: Purolator Boss- very disappointing [Re: njohnson]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 11850
Loc: N.H, U.S.A.
I've had (purported) Silicone adbv relaxed open after 3000 miles. recently.
The OPs other comments are just observations NOT problems. The product designed using a supercomputer to visualize flow patterns and eddys. The Proto and production samples are bench flow tested with "dirt" loading for efficiency and byspass threshold. You cant do that with your "eyes", though we believe what we believe as truths and judge how we judge after years of experience.

I will say there may be some ADBV incompatibility with some new oil formulations and materials - or just "fake" silicone rubber sourced from who knows where!

You know like "fake" synthetic oil ...
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#4401939 - 05/11/17 11:30 AM Re: Purolator Boss- very disappointing [Re: njohnson]
Linctex Offline


Registered: 12/31/16
Posts: 5718
Loc: Waco, TX
Originally Posted By: njohnson
but, looking down into it, the slots of the center tube are barely open. They are just slits. The oil filter from January were open compared to this one. Some of them didn't look like they were open at all. I can't imagine how well the oil was flowing through these tiny slits.


Measure one, height x width.

Now count them all, and multiply to find area.

It might surprise you!
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(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4402096 - 05/11/17 02:27 PM Re: Purolator Boss- very disappointing [Re: njohnson]
sir1900 Offline


Registered: 03/12/09
Posts: 1565
Loc: Regina, Saskatchewan
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#4402103 - 05/11/17 02:36 PM Re: Purolator Boss- very disappointing [Re: njohnson]
oil_film_movies Offline


Registered: 06/13/16
Posts: 2251
Loc: MN
Here is a pic of a Boss (so the thread is not worthless) Cheers2

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#4402109 - 05/11/17 02:38 PM Re: Purolator Boss- very disappointing [Re: njohnson]
oil_film_movies Offline


Registered: 06/13/16
Posts: 2251
Loc: MN
There could be louver problems like njohnson asserted, as that is almost common. Not great to see that.
Also, njohnson said the pleats were too tight together. I'd agree there ought to be about a millimeter between pleats, not the tight stuff njohnson reported.
njohnson, Did it look anything like the idealized pic from Puro above?

Purolators seem to have too many issues, like tears in the old classics, and now this. Avoid.


Edited by oil_film_movies (05/11/17 02:39 PM)

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#4402156 - 05/11/17 03:19 PM Re: Purolator Boss- very disappointing [Re: njohnson]
ZeeOSix Offline


Registered: 07/22/10
Posts: 17216
Loc: PNW
Maybe Purolator needs to revamp their oil filter line again ... might get it right the 3rd time around.
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We Don't Need No Stinkin' Efficiency!

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#4402170 - 05/11/17 03:30 PM Re: Purolator Boss- very disappointing [Re: njohnson]
njohnson Offline


Registered: 05/30/07
Posts: 569
Loc: Indiana
Here you go:

The filter from January. The one with more open slots. The crud on the anti-drain back valve and base of the filters is from when I cut them. I used my 4 1/2 inch angle grinder with a cut-off disc. I guess I should have wiped them off.











Edited by njohnson (05/11/17 03:40 PM)

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#4402176 - 05/11/17 03:36 PM Re: Purolator Boss- very disappointing [Re: njohnson]
njohnson Offline


Registered: 05/30/07
Posts: 569
Loc: Indiana
The one from last night. Sorry it is hard to see.






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#4402180 - 05/11/17 03:47 PM Re: Purolator Boss- very disappointing [Re: oil_film_movies]
njohnson Offline


Registered: 05/30/07
Posts: 569
Loc: Indiana
Originally Posted By: oil_film_movies
There could be louver problems like njohnson asserted, as that is almost common. Not great to see that.
Also, njohnson said the pleats were too tight together. I'd agree there ought to be about a millimeter between pleats, not the tight stuff njohnson reported.
njohnson, Did it look anything like the idealized pic from Puro above?

Purolators seem to have too many issues, like tears in the old classics, and now this. Avoid.


Thanks for the picture. They do look like that picture. Must be normal for them, I was just used to other brands of filters that have more space between the pleats.

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