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#1744807 - 01/16/10 09:09 AM Odd ?- PureOne vs. Purolator Classic & 5w20
skunkstevens1 Offline


Registered: 01/06/10
Posts: 30
Loc: detroit, MI
First, are the PureOnes' considered to be a more "restrictive" filter vs. the regular "Classic"? I'm currently using RP 5w20 in my Mazda6 (V6) and was curious if it may be "better" to use one filter over the other? Especially if one is better for flow purposes. I'd hate to think that a more restrictive may cause extra start up wear. Just want to keep this guy runnin' as long as possible! BTW: I do 5000mi OCIs'.

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#1744823 - 01/16/10 09:23 AM Re: Odd ?- PureOne vs. Purolator Classic & 5w20 [Re: skunkstevens1]
pbm Offline


Registered: 04/19/04
Posts: 5123
Loc: New York
I believe the Pureones are more restrictive than the Classics
(from reading on BITOG). For a 5K OCI I think the Classics are fine.

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#1744843 - 01/16/10 09:42 AM Re: Odd ?- PureOne vs. Purolator Classic & 5w20 [Re: pbm]
Gary Allan Offline


Registered: 09/28/02
Posts: 39806
Loc: Pottstown, PA
Choose your filter based on how much you're going to get out of it on a $0.0x/mile basis. You're not doing your engine any favors by using a top tier filter over shorter mileage. Outside of that it comes down to niche engine characteristics or flukes on whether one filter works better than another.
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#1744852 - 01/16/10 09:54 AM Re: Odd ?- PureOne vs. Purolator Classic & 5w20 [Re: skunkstevens1]
mechanicx Offline


Registered: 10/23/09
Posts: 8576
Loc: Ohio
I don't think it's known the P1 is more restrictive. It has a better media and more surface area. If you are using 5W20 that makes it less likely to bypass. Add to that if you are changing the filter regualarly it is less likely to be restrictive. Since a filter's efficiency improves with use, I'd take a different argument and say the P1 gives more advantages for short intervals. The P1 is not really marketed as a longer life filter anyway although it can probably go fairly long.

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#1744855 - 01/16/10 09:58 AM Re: Odd ?- PureOne vs. Purolator Classic & 5w20 [Re: skunkstevens1]
sayjac Offline


Registered: 10/13/08
Posts: 7894
Loc: The Old North State
Your answers will generally depend on what the poster believes to be true. Graphs and data from Purolator has been posted here numerous times by SuperBusa showing the excellent flow characteristics to the P1, and high P1 flow restriction to be a myth.

The skeptics say how can that be true? Better efficiency, ie. 99.9%, must make the P1 more restrictive. The data from Purolator must be somehow skewed to show favorable flow.

Me, I'm satisfied with that the flow of the P1 is fine. I use the P1 with confidence, even on my Honda 3.0L Accord that's still under warranty.

If you are not comfortable with the P1, use the Classic or some other filter of your choice.

IMO, the P1 is a great bang for the buck filter, and it's flow characteristics will not harm your engine at start up.

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#1744860 - 01/16/10 10:05 AM Re: Odd ?- PureOne vs. Purolator Classic & 5w20 [Re: sayjac]
mechanicx Offline


Registered: 10/23/09
Posts: 8576
Loc: Ohio
+1.

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#1744902 - 01/16/10 10:55 AM Re: Odd ?- PureOne vs. Purolator Classic & 5w20 [Re: mechanicx]
440Magnum Offline


Registered: 02/01/09
Posts: 6099
Loc: Texas
I've used both types on engines with accurate oil pressure gauges- never noticed any hint that the P1 is more restrictive. If anything, it might flow a tick better. More surface area can offset a finer pore size. Both are good filters.
_________________________
'66 Dodge Polara & '69 Dodge Coronet R/T both 440/727
'08 Ram 1500 4.7/545RFE
'12 Challenger SRT8 392/6-speed
'99 Cherokee 4.0, '11 Grand Cherokee 3.6

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#1744912 - 01/16/10 11:06 AM Re: Odd ?- PureOne vs. Purolator Classic & 5w20 [Re: 440Magnum]
DieselTech Offline


Registered: 10/27/09
Posts: 1969
Loc: AZ
The way I understand it is with more media and uniform pleats the pressure is equalized and allows less restriction.
_________________________
03 Ford F250 7.3 (Lots of Mods). Redline & baldwin 7039
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99 ford F150 4.6 fill. Redline 5-30 & P1

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#1744961 - 01/16/10 11:58 AM Re: Odd ?- PureOne vs. Purolator Classic & 5w20 [Re: DieselTech]
JohnBrowning Offline


Registered: 05/01/03
Posts: 9448
Loc: USA
Until one gets tot he point that 99% of 5-15 micron particles are being captured first pass I do not think it matters really. No one has proved to my satisfaction that using say an AMsoil Ea filter will prolong engine life over using SuperTech filter in real world use. So with that being said even less has been ofered for others like Pur0ne and K&N and M1 etc...............

Lab tests and real world results are two different things. So if I was really concerned I would look into remote bypass filtration other wise do not worry about it. Look how many people get 300,000 or more with Jiffy Lube service???????I am preety sure they are not using premium filters.

Money spent on OEM paper air filters and pre,ium oils will do more in the long run then premium oil filters.Keep the engine clean with an oil that doesnot leave a boat load of deposits behind and keep the air coming into the engine clean and what is their for the oil filter to do? Not much.

As far as I know no one has gotten drasticly longer life out any engine design over and over again duy to filtration higher then OEM calls for. We have Toyota's,Audi's,Honda's with 500,000 miles on them with no extra ordinary filtration being needed.

Lab results and theory all make sense that bette filtration should drasticly increase life span but their are so many variables that lab results do not take into accountinthe real world.

So if you want to run a Purone do it but do not worry about it!Likewise if you decide to run a Walmat Special then do so not enough real world data points to make the lab results or theory true or false.

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#1747602 - 01/18/10 08:20 PM Re: Odd ?- PureOne vs. Purolator Classic & 5w20 [Re: JohnBrowning]
steve20 Offline


Registered: 06/19/07
Posts: 3065
Loc: NJ
finally,,,,,,,,a moment of clarity
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#1747681 - 01/18/10 08:59 PM Re: Odd ?- PureOne vs. Purolator Classic & 5w20 [Re: steve20]
labman Offline


Registered: 03/14/03
Posts: 8711
Loc: Nothern USA
Right. Pick through all River Rats data, which may or may not mean much, and it looks like the Classic does the same job as the P1 for half the price. Tough to find hard data to stop you from using cheapies such as the ST or Total Grips.

The only real thing for sure about Fram is that it is more expensive than the cheapies. Does its inferior looking construction hurt?

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#1747779 - 01/18/10 10:34 PM Re: Odd ?- PureOne vs. Purolator Classic & 5w20 [Re: labman]
Whimsey Online   content


Registered: 12/22/02
Posts: 2995
Loc: The Garden State
Originally Posted By: labman

The only real thing for sure about Fram is that it is more expensive than the cheapies. Does its inferior looking construction hurt?

It's poorly designed anti drain back valve caused cold start noises for years on my Fords. When I switched back to Motorcraft oil filters my cold start noises disappeared. And at WalMart the Motorcraft oil filters are less expensive than the "orange can" from Fram for me.

Whimsey

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#1747915 - 01/19/10 06:48 AM Re: Odd ?- PureOne vs. Purolator Classic & 5w20 [Re: Whimsey]
sayjac Offline


Registered: 10/13/08
Posts: 7894
Loc: The Old North State
What I read, is a now pedestrian least common denominator assertion/opinion(s). Will using an el cheapo pos oil filter grenade your engine? Probably not. Will using the cheapest spec rated oil, cause your engine to fail? No. Does that mean everyone should make purchase decisions based on that thinking? Hardly.

The OP asked about flow characteristics of the P1 vs Classic, out of a concern about start up flow. Best available information says it's not an issue.

As for the, use anything it doesn't matter, assumption, I'll continue to buy/use the best constructed, efficient filter(s) I can find for the least money.

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#1748003 - 01/19/10 09:12 AM Re: Odd ?- PureOne vs. Purolator Classic & 5w20 [Re: sayjac]
mechanicx Offline


Registered: 10/23/09
Posts: 8576
Loc: Ohio
I have to completely agree. The P1 is not believed to be restrictive and might even be less restrictive than others. The highest efficency, best contruction at the best price is what matters to me. And that means P1.

Another thing is just because a filter is 94% efficient @ 20 microns, doesn't mean it catches much below that. Purolator stated the P1 is 97.5% eficient at 11 microns and 50% efficient at 5 microns. Less efficient filters most likely trap little below 15 microns.

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#1748401 - 01/19/10 03:43 PM Re: Odd ?- PureOne vs. Purolator Classic & 5w20 [Re: JohnBrowning]
Gary Allan Offline


Registered: 09/28/02
Posts: 39806
Loc: Pottstown, PA
Quote:
No one has proved to my satisfaction that using say an AMsoil Ea filter will prolong engine life over using SuperTech filter in real world use. So with that being said even less has been ofered for others like Pur0ne and K&N and M1 etc...............


I don't think any filter or oil will lengthen any service life of your engine. They may remain more functional at what they do over longer mileage spans. The EaO is somewhat unique in that it's designed to go 1 year/25k.
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