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RE: [Fwd: Oil Filters] From the NCAC list

To: tigers@autox.team.net, "'Doug Mallory'" <rdmallory@earthling.net>
Subject: RE: [Fwd: Oil Filters] From the NCAC list
From: "Dobrowski, Robert S" <Robert.Dobrowski@JSF.Boeing.com>
Date: Thu, 1 Apr 1999 12:42:35 -0800
A quick seach on the web lead to the following site that has test results of
a select few filters:
http://mr2.com/TEXT/oil_filter_test.html
At least this comparison uses actual filtration test data rather than
subjective inspections of the filter internals

> ----------
> From:         Doug Mallory[SMTP:rdmallory@earthling.net]
> Reply To:     Doug Mallory
> Sent:         Thursday, April 01, 1999 11:32 AM
> To:   tigers@autox.team.net
> Subject:      [Fwd: Oil Filters] From the NCAC list
> 
> 
> 
> Rex Weatherford wrote:
> 
> > I was wondering if anyone else out there has done any research on oil
> > and oil filters.
> >
> > My filter studies over the last two days have directed me to this
> > document:
> >
> > SAE Document
> >
> > Document Number: J1858
> >                             Date Published: June, 1988
> >                             Title: Full Flow Lubricating Oil Filters
> > Multipass Method for evaluating
> >                             filtration Performance
> >
> >                             Issuing Committee:
> >                             Filter Test Methods Standards Committee
> >
> >                             Scope:
> >                             This standard establishes a multipass
> > filtration performance test with
> >                             continuous contaminant injection for
> > lubricating oil filter elements. It also
> >                             includes a procedure for determining the
> > contaminant capacity, particulate
> >                             removal characteristics, and pressure loss.
> > It also includes a test currently
> >                             applicable to lubricating oil filter
> > elements which exhibit a 10 um filtration
> >                             ratio of less than 75 and a rated flow
> > between 4 and 600 L/min. This
> >                             standard provides a test procedure which
> > yields reproducible test data for
> >                             evaluating the filtration performance of a
> > lubricating oil filter element.
> >
> > I also see Mobil 1 point towards document j806.
> > Purolator points towards j1858 for multiple pass filtration
> >
> > Are these the same tests at different dates?
> >
> > Here are the filters results:
> >
> > Mobil 1:  Single pass efficiency (SAE J806) of 98% vs. an 85% average
> > for conventional filters. * Multiple pass efficiency (SAE J806) of 95%
> > vs. an 80% average for conventional filters.
> >
> > PureOne: Single Pass Test efficiency for the PureONE filter is 99.7%.
> > PureONE captures 96% of all contaminants as measured by the
> > Society of Automotive Engineers' (SAE) #J806
> > Multiple Pass Test. *
> >
> > Hey look I think I may have answered my own question.  Both reference
> > j806.  Never noticed that before!
> >
> > Anyone have comments or more information on filters or oils?  How much
> > does a Mobil1 filter cost.  The PureOne filter was $5.99 at PepBoys.
> >
> > --
> > Rex Weatherford
> > 92 Beretta GTZ 2.3 89,000 miles
> > 89 Beretta GT 2.8 150,000 miles
> > #22 GS Atlanta Region SCCA Solo II G-Stock
> > 95 Grand Am GT 3100 V-6 (can't get my wife to let me race it)
> > http://www.mindspring.com/~rweatherford/rexw/rexhome.html
> 

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