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STP S9972 and Purolator Boss PBL25608 2011 Rav4 #4451959
07/07/17 02:44 AM
07/07/17 02:44 AM
Joined: Oct 2016
Posts: 19
Wisconsin
Zanatos Offline OP
Zanatos  Offline OP
Joined: Oct 2016
Posts: 19
Wisconsin



I'm going to use the purolater boss filter for the full 15k the stp will be used for 10k

Last edited by Zanatos; 07/07/17 02:54 AM.
Re: STP S9972 and Purolator Boss PBL25608 2011 Rav4 [Re: Zanatos] #4452059
07/07/17 06:26 AM
07/07/17 06:26 AM
Joined: Jun 2016
Posts: 3,566
MN
oil_film_movies Offline
oil_film_movies  Offline
Joined: Jun 2016
Posts: 3,566
MN
The Purolator Boss is OK; not as good as a Fram Ultra, but close. The STP uses a cellulose media blended with resin (if Autozone's statement and also previous analysis on BITOG is right, likely is...) with good filtering performance, a decent choice, about the same as Fram ToughGaurd or Mobil1 Ext Perf oil filters.

Re: STP S9972 and Purolator Boss PBL25608 2011 Rav4 [Re: oil_film_movies] #4452164
07/07/17 08:48 AM
07/07/17 08:48 AM
Joined: Jul 2017
Posts: 122
New England
Peter_480 Offline
Peter_480  Offline
Joined: Jul 2017
Posts: 122
New England
Originally Posted By: oil_film_movies
The Purolator Boss is OK; not as good as a Fram Ultra, but close.


Should "....not as good as the Fram Ultra" be the BITOG forum motto? smile


'10 Ford E250 4.6L
'11 Ford Fusion 2.5L
Re: STP S9972 and Purolator Boss PBL25608 2011 Rav4 [Re: Peter_480] #4452376
07/07/17 01:02 PM
07/07/17 01:02 PM
Joined: Aug 2011
Posts: 9,560
Boston, MA
HerrStig Offline
HerrStig  Offline
Joined: Aug 2011
Posts: 9,560
Boston, MA
Originally Posted By: Peter_480
Originally Posted By: oil_film_movies
The Purolator Boss is OK; not as good as a Fram Ultra, but close.


Should "....not as good as the Fram Ultra" be the BITOG forum motto? smile
Only for the Frambots.

Last edited by HerrStig; 07/07/17 01:03 PM.
Re: STP S9972 and Purolator Boss PBL25608 2011 Rav4 [Re: Zanatos] #4452443
07/07/17 02:35 PM
07/07/17 02:35 PM
Joined: May 2007
Posts: 605
Indiana
njohnson Offline
njohnson  Offline
Joined: May 2007
Posts: 605
Indiana
Why does the top end cap on the Boss look tilted? Or is that just an optical illusion?

Re: STP S9972 and Purolator Boss PBL25608 2011 Rav4 [Re: Zanatos] #4452564
07/07/17 05:05 PM
07/07/17 05:05 PM
Joined: Jan 2004
Posts: 5,940
northern Alabama
benjamming Offline
benjamming  Offline
Joined: Jan 2004
Posts: 5,940
northern Alabama
What is the country of origin for that Boss filter?

Re: STP S9972 and Purolator Boss PBL25608 2011 Rav4 [Re: oil_film_movies] #4452588
07/07/17 05:36 PM
07/07/17 05:36 PM
Joined: Jul 2010
Posts: 19,309
PNW
ZeeOSix Offline
ZeeOSix  Offline
Joined: Jul 2010
Posts: 19,309
PNW
Originally Posted By: oil_film_movies
The Purolator Boss is OK; not as good as a Fram Ultra, but close.


I wouldn't call it close ... per Purolator Tech Dept.

BOSS: 99% @ 40 microns
ONE: 99% @ 20 microns
Purolator: 96.5% @ 20 microns

Re: STP S9972 and Purolator Boss PBL25608 2011 Rav4 [Re: ZeeOSix] #4452599
07/07/17 05:46 PM
07/07/17 05:46 PM
Joined: Jun 2016
Posts: 3,566
MN
oil_film_movies Offline
oil_film_movies  Offline
Joined: Jun 2016
Posts: 3,566
MN
Originally Posted By: ZeeOSix
Originally Posted By: oil_film_movies
The Purolator Boss is OK; not as good as a Fram Ultra, but close.


I wouldn't call it close ... per Purolator Tech Dept.

BOSS: 99% @ 40 microns
ONE: 99% @ 20 microns
Purolator: 96.5% @ 20 microns


Looks like you have better numbers on the Boss than I did. I was relying on a search I did on bitog and came across 901Memphis saying it tested to 99% @ 32 microns. I will accept the Puro Tech Dept. as the truth. That is a pretty bad performance level.
I've criticized the Boss for having too thin of a media; maybe thats to blame. Ultra is 2-ply & thicker too.

Re: STP S9972 and Purolator Boss PBL25608 2011 Rav4 [Re: Zanatos] #4452607
07/07/17 05:50 PM
07/07/17 05:50 PM
Joined: Mar 2008
Posts: 7,347
USA
slacktide_bitog Offline
slacktide_bitog  Offline
Joined: Mar 2008
Posts: 7,347
USA
Mahle makes a good filter for this application smile

Re: STP S9972 and Purolator Boss PBL25608 2011 Rav4 [Re: benjamming] #4452741
07/07/17 07:41 PM
07/07/17 07:41 PM
Joined: Oct 2016
Posts: 19
Wisconsin
Zanatos Offline OP
Zanatos  Offline OP
Joined: Oct 2016
Posts: 19
Wisconsin


Re: STP S9972 and Purolator Boss PBL25608 2011 Rav4 [Re: oil_film_movies] #4453191
07/08/17 08:34 AM
07/08/17 08:34 AM
Joined: Jan 2004
Posts: 5,940
northern Alabama
benjamming Offline
benjamming  Offline
Joined: Jan 2004
Posts: 5,940
northern Alabama
Originally Posted By: oil_film_movies
Originally Posted By: ZeeOSix
Originally Posted By: oil_film_movies
The Purolator Boss is OK; not as good as a Fram Ultra, but close.


I wouldn't call it close ... per Purolator Tech Dept.

BOSS: 99% @ 40 microns
ONE: 99% @ 20 microns
Purolator: 96.5% @ 20 microns


Looks like you have better numbers on the Boss than I did. I was relying on a search I did on bitog and came across 901Memphis saying it tested to 99% @ 32 microns. I will accept the Puro Tech Dept. as the truth. That is a pretty bad performance level.
I've criticized the Boss for having too thin of a media; maybe thats to blame. Ultra is 2-ply & thicker too.


Is that the first pass rating?
What are the numbers on the Ultra?
To boot, the Boss is about 2x the price of the Ultra.

Re: STP S9972 and Purolator Boss PBL25608 2011 Rav4 [Re: benjamming] #4453205
07/08/17 08:51 AM
07/08/17 08:51 AM
Joined: Jun 2016
Posts: 3,566
MN
oil_film_movies Offline
oil_film_movies  Offline
Joined: Jun 2016
Posts: 3,566
MN
Originally Posted By: benjamming
What are the numbers on the Ultra?
To boot, the Boss is about 2x the price of the Ultra.

Purolator hopes you won't notice or even know about filter efficiency for their Boss compared to Ultra.
We know too much.
Ultra is at 99.5% @ 20 microns.

Ultra's thicker media provides some depth-filtering ability which means it gets out even smaller particles better (80% @ 5 microns, MotorKing from Fram says).

Originally Posted By: benjamming
Is that the first pass rating?

No. Multi-pass:

ISO 4548-12:2017 specifies a multi-pass filtration test with continuous contaminant injection and using the online particle counting method for evaluating the performance of full-flow lubricating oil filters for internal combustion engines. The scope of this document is limited to steady state conditions and does not address fluctuations in the flow rate.

The test procedure determines the contaminant capacity of a filter, its particulate removal characteristics and differential pressure.

This test is intended for application to filter elements with an efficiency of less than 99 % at particle size greater than 10 μm.

NOTE Several test flow loops built into one test rig, or several test rigs, would be necessary to cover the complete flow range of 2 l/min to 600 l/min.

Re: STP S9972 and Purolator Boss PBL25608 2011 Rav4 [Re: Zanatos] #4456762
07/11/17 08:22 PM
07/11/17 08:22 PM
Joined: Oct 2008
Posts: 2,919
Southeast
SilverC6 Offline
SilverC6  Offline
Joined: Oct 2008
Posts: 2,919
Southeast
Good looking filters.

I wouldn't hesitate to use either on your RAV4.

The last FRAM Ultra I installed on my Camry had some suspiciously wide pleat spacing.

Clearly a QC issue.

We'll see how it looks at the end of the OCI.


'10 & '11 Camry 0W-20 PP
'11 Landcruiser 5W30 PP
'13 BMW 550IX Castrol 0W40
'08 BMW Z4M Coupe TWS 10W60
'13 BMW M6 BMW 5W30

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