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High end oil filters examined

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Old 10-28-2015, 05:30 PM   #81
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Originally Posted by MonmouthCtyLS7 View Post
I avoid Fram at all costs, usually stick to M1 or K&N.
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Smart move!
However, the Fram Ultra is actually better than the Mobil 1 extended performance filter, correct?
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Old 10-28-2015, 07:41 PM   #82
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That would be correct. The M1 & K&N are good standard filters. The Fram Ultra is a high end filter with synthetic media and a screen backing, metal filter ends. Pretty decent. I'd use it-but I have shelf stock of the Wix XP filters.
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Old 01-03-2016, 04:25 AM   #83
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pls. add NAPA GOLD to the list.
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Old 01-03-2016, 09:19 AM   #84
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Welcome to LS1tech!

The NAPA Gold filter has a glass enhanced paper media. It does NOT have a synthetic media, extra fluff or a metal screen that would put it in the class of "high end" that the five listed in post #1 are in.

It's a good filter but not what might be considered high end. This was already mentioned in post #46.

Last edited by Paul Bell; 01-03-2016 at 09:41 AM.
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Old 01-07-2016, 05:47 PM   #85
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The Fram Racing Filter are really nice. They look very similar to the Mobil 1 filter. They sell them at Orielly.
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Old 01-07-2016, 06:20 PM   #86
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Yessir, they are "better" built then their regular cheapo stuff.

BUT, as it's a racing filter, it would have a high micron media to allow a higher flow rate. It should not be used for regular street or everyday cars.

Noted in post 76 & 77.
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Old 01-07-2016, 06:58 PM   #87
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Yessir, they are "better" built then their regular cheapo stuff.

BUT, as it's a racing filter, it would have a high micron media to allow a higher flow rate. It should not be used for regular street or everyday cars.

Noted in post 76 & 77.
I cant find any specs from Fram on them (HP4) but I saw somewhere on the net that they filter 20 microns.
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Old 01-07-2016, 11:57 PM   #88
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I know WIX oil filters down to about 10 microns, their racing filters, 61 microns.

Moroso Racing filters are at 27 microns.

If I had a track only engine that might see an oil change after a weekend of racing, I'd probably go for the highest micron rating I could find to keep the flow rate up. No need for 10~20 micron filtering of oil that's used for a weekend, not 3 months/3,000 miles.
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Old 01-20-2016, 11:59 AM   #89
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That 10 micron rating for wix that you mention, I cannot find any rating on those filters. Only the regular wix 51522 with a micron rating at 21.

Max flow rate on both the regular and the xp's are the same at 9-11 gpm

This is something that I found on bobstheoilguy. This is pertaining to a different part number filer, but using wix's website, they show the same specs for the 51522 lineup.




Hummm ... WIX shows "Beta Ratio: B2=20" for the XP.

That pretty much sucks, as that equates to: "50% efficient @ 20 microns".

The non-synthetic 51516 shows "Beta Ratio: 2/20=6/20".

http://www.wixfilters.com/Lookup/Par...spx?Part=51516

That equates to:
"50% efficient @ 6 microns"
and
"95% efficient @ 20 microns".
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Old 04-19-2016, 09:56 AM   #90
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Is running a WIX XP (specifically 51042XP) with a SEMI synthetic oil a no no? I popped into an oreillys recently and the xp filter's box says it is for full synthetic oil. Im trying out brad penn oil (semi synthetic) in my forged shortblock and dont want to create a problem. Thank you for posting this info for us and thank you in advance for answering my question
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Old 04-19-2016, 04:38 PM   #91
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Wix 51042XP has a Beta Ratio of B2=20. I hear this means 50% filtration efficiency @ 20 microns. If that is the case, shouldnt this filter be avoided?
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Old 04-19-2016, 08:23 PM   #92
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Quote:
Originally Posted by jdoyle View Post
Is running a WIX XP (specifically 51042XP) with a SEMI synthetic oil a no no? I popped into an oreillys recently and the xp filter's box says it is for full synthetic oil. Im trying out brad penn oil (semi synthetic) in my forged shortblock and dont want to create a problem. Thank you for posting this info for us and thank you in advance for answering my question
I don't really think the oil filter cares what oil you put through it.

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Wix 51042XP has a Beta Ratio of B2=20. I hear this means 50% filtration efficiency @ 20 microns. If that is the case, shouldnt this filter be avoided?
What are the efficiency ratings of other filters?
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Old 04-19-2016, 11:10 PM   #93
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Quote:
Originally Posted by Paul Bell View Post
I don't really think the oil filter cares what oil you put through it.

What are the efficiency ratings of other filters?
WIX 51042's beta ratio is given as 2/20=6/20 which is 50% filtration efficiency @ 6 microns or larger and 95% filtration efficiency @ 20 microns or larger.
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Old 04-20-2016, 06:11 AM   #94
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These "synthetic" oil filters have a synthetic filter media. There's a wire mesh that keeps it in place. Several makers use this design.

The media traps dirt particles better but with less pressure drop as they reach end of life.

I will say regardless of these efficiency ratings, they'll always be a better filter than old school paper media filters.

What are the efficiency rating of other brands>
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Old 04-20-2016, 06:23 AM   #95
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so how does the standard purolator stack up against the other standard ones? better, worse, or similar? also i recently bought and used the purolator boss that just came out (advance auto parts send a promo coupon for mobil 1 full syn oil w/purolator boss filter for $33). would be interested to see whats in the "boss" filter.
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Old 04-20-2016, 06:33 AM   #96
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I think the Purolator Boss is their top filter. It may have synthetic media but they don't advertise it as such. There's no wire mesh to hold it in place. I'll guess it's a "better" paper media when compared to "regular" paper media.

It's probably a good filter on par with a Mobil 1 or standard Wix but I'd still prefer one of the higher end filters.
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Old 04-30-2016, 02:50 AM   #97
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Why is my Mobil 1 filter which cost more than the WIX XP I normally use black instead of gold like your? Is it otherwise the same filter or not?

Does Motorcraft (made by Puralator) have a filter to fit a LS motor? I'd have to run one for a laugh if they did. Great filters for Modular motors though and their value is unbeatable for the quality of the filter.
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Old 04-30-2016, 12:47 PM   #98
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Why is my Mobil 1 filter which cost more than the WIX XP I normally use black instead of gold like your? Is it otherwise the same filter or not?

Does Motorcraft (made by Puralator) have a filter to fit a LS motor? I'd have to run one for a laugh if they did. Great filters for Modular motors though and their value is unbeatable for the quality of the filter.
Mobil1 has several grades of filters. Mobil1 Extended is their better filter.

Motorcraft should have a filter to use on GM applications but you would use one just to say you have a Ford filter on a Chevy? Why use a lessor filter? Motorcraft filters often have a rope around the media that usually cuts it.

This is a thread about high end filters with synthetic media. Mobil1 and Motorcraft have nothing like that.
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Old 05-12-2016, 10:38 PM   #99
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Hummm ... WIX shows "Beta Ratio: B2=20" for the XP.
That pretty much sucks, as that equates to: "50% efficient @ 20 microns".
I've seen this misinterpretation on several forums and it's a common mistake.

The "B2=20" reads differently than the multi-variable formats listed for standard filters (values are reversed). What it actually means is:

"B2=20" -> "95% efficiency @ 2 microns"

"2" = micron size & "20" = filtration ratio

If you don't believe me, listen to the folks at Cummins filtration:
"A Beta Ratio may be given for a filter as B10=50. This simply means that the Beta Ratio for 10 microns equals a ration of 50."

That's from a Cummins technical training flyer dedicated to filter beta ratios, there's even a quiz question about this (#2). Feel free to take a look... Cummins Filtration Training Flyer
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Old 09-15-2016, 12:14 PM   #100
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Does anyone have the part # for Wix racing oil filter for LS1? Did a couple searches with no luck? I'm looking for the highest flowing filter possible for drag racing. I know I need to change it often
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