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#343891 - 10/02/05 03:31 AM Purolator Premium Plus vs. Purolator PURE ONE
serious II Offline


Registered: 03/14/05
Posts: 74
Loc: Attleboro, Massachusetts
Okay, this may sound like a fairly stupid question ( "there are no stupid questions . . .only stupid people" )but here goes:

Purolator Premium Plus claims to filter out 96% of impurities ; PURE ONE claims 98% filtration capability. However, the PURE ONE costs about $2.00 more. Is it really worth the extra $$$ for an additional 2%? I mean , these are not dialysis machines.

I have been a diehard PURE ONE guy for the last 2 years. However, my OCI is now alot shorter than it had been and I am counting my pennies.

FYI: Premium Plus are now on sale at Advance for $2.44!!!!

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#343892 - 10/02/05 03:40 AM Re: Purolator Premium Plus vs. Purolator PURE ONE
Big Jim Offline


Registered: 09/24/04
Posts: 1571
Loc: Thousand Oaks, CA
The Premium Plus is an excellent filter. The only drawback I see is the lack of a silicon anti drain back valve (they use nitril). As long as you are not having a start up rattle from drain back, the Premium Plus will serve you very well.

The PurOne is better, but you may not need the improvements.

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#343893 - 10/02/05 04:27 AM Re: Purolator Premium Plus vs. Purolator PURE ONE
davefr Offline


Registered: 03/31/03
Posts: 417
Loc: OR
Where I shop the average Purolator PP is about $4.50 but it varies a little.

Almost all PureOne's are $5.50.

PureOne's are almost always on sale for $1 off. Sometimes all Purolators are $1 off.

I'm not sure what Purolator's marketing strategy is but it seems like there's becomming very little seperation in price between the two lines. I'll choose PureOne's for a mere $1 difference.

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#343894 - 10/02/05 08:16 AM Re: Purolator Premium Plus vs. Purolator PURE ONE
theguru Offline


Registered: 05/03/03
Posts: 988
Loc: Melb, Aus
I think the downside is that the flow rate through the PureOne is less than the PremiumPlus.

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#343895 - 10/02/05 08:23 AM Re: Purolator Premium Plus vs. Purolator PURE ONE
Shannow Online   content


Registered: 12/12/02
Posts: 25292
Loc: a prison island
theguru,
most oil pumps are positive displacement and shift the same amount of oil per revolution.

How well a filter flows may have anb effect on how much oil is allowed to bypass...i.e. too "good" a filter may not filter.

I doubt this is the case with pureone

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#343896 - 10/02/05 03:26 PM Re: Purolator Premium Plus vs. Purolator PURE ONE
T-Keith Offline


Registered: 01/20/04
Posts: 4864
Loc: MN
The Pure one has two advantages. The silicone ADBV, and the better filtration. While 2% may not sound like much, in reallity, HALF as many particles are allowed through on the Pure One.

For short OCI the premium plus is the better deal, plus if your worried about flow(I wouldn't be) you can feel good that the PP media outflows the overhyped K&N.

-T

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#343897 - 10/03/05 01:31 AM Re: Purolator Premium Plus vs. Purolator PURE ONE
BigAl Offline


Registered: 09/10/05
Posts: 550
Loc: Wisconsin
T-Kieth is right. That is why the filter companies should use beta ratios to describe filter effectiveness.

96% = Beta 25
98% = Beta 50 (Twice as good!)

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#343898 - 10/03/05 02:59 AM Re: Purolator Premium Plus vs. Purolator PURE ONE
LT4 Vette Offline


Registered: 09/12/04
Posts: 11730
Loc: Jupiter, FL
you can feel good that the PP media outflows the overhyped K&N.

T-Keith ,
I thought the K&N outflowed most standard oil filters. [Confused]

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#343899 - 10/03/05 04:21 AM Re: Purolator Premium Plus vs. Purolator PURE ONE
serious II Offline


Registered: 03/14/05
Posts: 74
Loc: Attleboro, Massachusetts
What the heck is a "Beta Flow"? Is it a measure of particle filtration ? I assume that "Higher is better" and that it progresses geometrically vice arithmatically. Is the PPP only half as good as the PPO based on a 100% higher beta flow in the PPO?

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#343900 - 10/03/05 08:45 AM Re: Purolator Premium Plus vs. Purolator PURE ONE
Jonny Z Offline


Registered: 06/03/05
Posts: 1251
Loc: Austin, TX
Beta or not, here is how I look at it.

96% passes 4% of junk
98% passes 2% of junk

4% is twice of 2%, and hence P+ passes twice the junk as P1.

Am I right? [I dont know]

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#343901 - 10/03/05 05:44 PM Re: Purolator Premium Plus vs. Purolator PURE ONE
BigAl Offline


Registered: 09/10/05
Posts: 550
Loc: Wisconsin
Johnny Z is exactly right.

Here is a simplified way to understand Beta ratings:

A 98% efficient filter passes one particle for every 50 that enters. It is rated 50 Beta.

A 96% efficient filter passes one particle for every 25 that enters. It is rated 25 Beta.

A 75% efficient filter passes one particle for every 4 that enters. It is rated 4 Beta.

The beta numbers give you a better comparison. A 50 Beta (98%) filter lets through half as many particles as a 25 Beta (96%) filter and over twelve times less than a 4 Beta (75%) filter. This would be harder to see just by looking at the percent efficiency.

[ October 04, 2005, 09:12 AM: Message edited by: BigAl ]

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#343902 - 10/03/05 07:46 PM Re: Purolator Premium Plus vs. Purolator PURE ONE
T-Keith Offline


Registered: 01/20/04
Posts: 4864
Loc: MN
quote:
Originally posted by LT4 Vette:
you can feel good that the PP media outflows the overhyped K&N.

T-Keith ,
I thought the K&N outflowed most standard oil filters. [Confused]

Sounds like marketing or internet rumor. According to Grease's test, the Purolator outflowed the K&N along with several other filters, althought the K&N did show above average flow.

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#343903 - 10/08/05 09:22 AM Re: Purolator Premium Plus vs. Purolator PURE ONE
99 Offline


Registered: 01/10/05
Posts: 631
Loc: SW burbs of Chicago
The only good thing about K&N in my opinion is the thick can. This can be a good thing in a engine that has a lot of oil psi.

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#343904 - 10/08/05 09:27 AM Re: Purolator Premium Plus vs. Purolator PURE ONE
99 Offline


Registered: 01/10/05
Posts: 631
Loc: SW burbs of Chicago
quote:
Originally posted by serious II:



FYI: Premium Plus are now on sale at Advance for $2.44!!!!

With $1 rebate on top of that. I just emptied my AA's inventory of L14670s and L20252s. [Big Grin]

I was using Pure Ones on the wife's VW, but at this price she's getting Premium Plus now. Both are great filters so I don't see it as a downgrade per se.

Rebate info can be seen here. http://www.pureoil.com/

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#343905 - 10/08/05 01:56 AM Re: Purolator Premium Plus vs. Purolator PURE ONE
eljefino Offline


Registered: 06/15/03
Posts: 22947
Loc: ME
99, I hope either that inventory was only two filters, or you have a bunch of different addresses.

That rebate has a limit.

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