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Old 10-15-2013, 11:24 AM   #251
Commander Keen
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Possible alternatives from largest to smallest. I have not tried all of these, so confirm the specs and use at your own risk:

L30165 - 97.5% at 20 microns, bypass is 25-35 PSI, anti-drainback valve, no PL or PSL counterpart.

Bosch 72158 - Crosses to L30165

Mann ML 1002 - Crosses to M1-104

L20073 - Same as the L30165, but with a 12-15 PSI bypass. No reason to choose this filter.

Wix 51287 - Bypass is 27-33 PSI, has an anti-drainback valve, same size as L30165, unknown efficiency.

Fram PH6941 - Crosses to L30165

PL24458 - Possibly discontinued. 99.9% at 20 microns, anti-drainback valve. Bypass is 12-15 PSI.

PL14459 - Larger than the TR part, 99.9% at 20 microns, anti-drainback valve. Bypass is 12-15 PSI. This is probably the highest efficiency option for our cars.

Mobil 1 M1-104 - Crosses to PL14459, 99.6% efficiency at 25 microns.

PL14610 - Small can, 99.9% at 20 microns, anti-drainback valve, bypass is 14-18 PSI.

PL14620 - Specs appear identical to the PL14610.

PL14612 - A shorter (possibly too short) version of the PL14610. No reason to choose this filter.


Notes:

-The PureOne (PL) parts often have Synthetic (PSL) and Classic (L) counterparts. PL outperforms PSL, which outperforms L.

-A PL30165 would be perfect for our cars, but it doesn't exist.

-The stock filter needs a high bypass pressure because it's tiny. Lower bypass pressure isn't a big concern for larger filters.

-The L30165, 51287 72158, ML 1002 and PH6941 are larger than the stock TR filter by ~0.25 quarts. The first two have known high bypass pressures, though this rating is less important for filters of this size.
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Last edited by Commander Keen; 10-31-2013 at 03:13 AM.
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Old 10-15-2013, 01:42 PM   #252
Crash00527
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I gave up and got a oem filter from dealer lmao
What sucks is that they had no more Roki filters. I called 3 dealers. So I got the blue Honeywell ;(
Second thing that sucks is they gave me a washer that didn't even fit. I'm getting my $1 back.

My search for an aftermarket filter synthetic that meets oem specs is still ongoing till next oil change.

Last edited by Crash00527; 10-15-2013 at 01:52 PM.
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Old 10-15-2013, 01:46 PM   #253
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Quote:
Originally Posted by sgoldste01 View Post
That's right, the black Roki filters are not being produced anymore, and have been replaced by the blue Honeywell filters. People who have cut these two different filters apart to compare them generally consider the Roki filters to be of higher quality, which is why people are so disappointed to see the Rokis become unavailable. This is also why, when my 6 Rokis are gone, I'll be switching to the highly-regarded FRAM XG7317 filter (even people who dislike FRAM products because of low-quality parts in the past admit that the XG filters are excellent).

NOTE: This is certainly not to say that the blue Honeywell filters aren't good enough to get the job done. I've never heard anyone say that a Honeywell filter has failed. It's more likely that the Roki and FRAM XG7317 filters are overkill for the job, but that's OK with me. I sleep better at night knowing that I've installed high-quality oil and filters on my car.
High quality or not. What's the point if the it doesn't meet the correct specs, mainly the 23psi bypass valve. The fram is 13psi.
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Old 10-15-2013, 05:47 PM   #254
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Here's a nice read about particle size vs engine wear:

http://www.amsoil.com/techservicesbu...ine%20wear.pdf
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Old 10-21-2013, 12:09 AM   #255
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Wow I'm way in over my head. So what's the best oil filter out there that's readily available?
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Old 10-21-2013, 07:49 AM   #256
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Quote:
Originally Posted by sco0bydo0 View Post
Wow I'm way in over my head. So what's the best oil filter out there that's readily available?
This is what I'll be buying once I've used my stash of discontinued black Subaru Roki filters:

Amazon.com: Fram XG7317 Ultra Spin-On Oil Filter with Sure Grip: AutomotiveAmazon.com: Fram XG7317 Ultra Spin-On Oil Filter with Sure Grip: Automotive
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Old 10-21-2013, 07:58 AM   #257
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^^^ but it has a psi rating of 13
Why on earth would you do that. Did you not read the last 500 pages on oil filters lmao

So If I'm reading correctly, if I get a bigger synthetic filter, with a Lower bypass, it will compensate for the difference of the oem paper filter 23 psi setting?

True or False? Why or why not?

Bc I really wanna use my M1 filter or try new Fram ultra.

Last edited by Crash00527; 10-21-2013 at 12:39 PM.
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Old 10-21-2013, 08:05 AM   #258
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Quote:
Originally Posted by sco0bydo0 View Post
Wow I'm way in over my head. So what's the best oil filter out there that's readily available?
Oh boy!! You dont know the half of it lmao
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Old 10-21-2013, 11:47 AM   #259
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Quote:
^^^ but it has a psi rating of 13
Why on earth would you do that. Did you not read theast 500 pages on oil filters

So If I'm reading correctly, if I get a bigger synthetic filter, with a Lower bypass, it will compensate for the difference?

True or False? Why or why not?

Bc I really wanna use my M1 filter or try new Fram ultra.
I've tested the M1-104 and it works great.

Yes, a bigger can with more media will eliminate the need for such a high bypass and will be better for your engine.

Last edited by Commander Keen; 10-23-2013 at 07:35 PM.
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Old 10-21-2013, 05:45 PM   #260
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I can tell! Lol I tried searching for the M1-401 but couldn't find it. My next oil change is coming up and I'd like to find what works best.
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Old 10-21-2013, 08:21 PM   #261
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Quote:
Originally Posted by sgoldste01 View Post
This is what I'll be buying once I've used my stash of discontinued black Subaru Roki filters:

Amazon.com: Fram XG7317 Ultra Spin-On Oil Filter with Sure Grip: Automotive
Same. I cant find a bad thing about them.
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Old 10-21-2013, 08:35 PM   #262
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Quote:
Originally Posted by myrt1987 View Post
Same. I cant find a bad thing about them.
Apparently some people are concerned that the bypass pressure is too low. I don't know what to say about that.
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Old 10-21-2013, 08:38 PM   #263
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is there any reason not to go OEM?
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Old 10-21-2013, 08:45 PM   #264
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I welcome any results or information proving these Frams are problematic. They are Frams top tier filters good for 15k miles for $7ea. Thats too good to pass up.
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Old 10-21-2013, 08:47 PM   #265
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Quote:
Originally Posted by Alan777 View Post
is there any reason not to go OEM?
My only reason is that Subaru has stopped offering the black Roki filter for our cars, and now provides the blue Honeywell filter instead. People who have torn these filters apart and compared them generally consider the Honeywell filters to be of inferior quality.

Are the Honeywell filters good enough? Almost certainly. But I don't like the idea of buying a downgraded product, so I've been looking for aftermarket filters that are at least as good as the old black Roki filters.

My research led me to believe that the FRAM Ultra XG7317 filters were outstanding (even people who hate FRAM admit that the Ultra filters are excellent). But now people are questioning the bypass pressure of that filter, so I'm waiting for others to express an opinion about that. My guess is that because the FRAM Ultra is a synthetic filter, the low bypass pressure is appropriate. But I'm no expert.
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Old 10-21-2013, 08:53 PM   #266
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You can get tees at Walmart for same price. No need to go online. Do they make a bigger filter that'll fit our cars Like the M1's. That'll will compensate the difference for the bypass psi. The fram is 13psi. Our oem filters are 23psi.

Last edited by Crash00527; 10-21-2013 at 09:13 PM.
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Old 10-21-2013, 08:59 PM   #267
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Quote:
Our cars are 23psi.
The rating belongs to the filter, not the engine.
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Old 10-21-2013, 09:08 PM   #268
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Quote:
Originally Posted by Commander Keen View Post
The rating belongs to the filter, not the engine.
Understood. I believe the concern with the FRAM Ultra is that its bypass pressure is easier to reach because the pressure is lower than with other filters, which might result in the filter going into bypass mode too quickly/easily (and therefore not filtering the oil).

Is this a legitimate concern? I have no idea.
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Old 10-21-2013, 09:12 PM   #269
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Doubt it

This has been repeated multiple times:

Quote:
Originally Posted by Commander Keen View Post
-The stock filter needs a high bypass pressure because it's tiny. Lower bypass pressure isn't a big concern for larger filters.
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Old 10-21-2013, 09:20 PM   #270
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Do you consider the FRAM XG7317 to be a "larger filter"? The can is a similar size to the Subaru Roki filter.
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Old 10-21-2013, 10:19 PM   #271
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Quote:
Originally Posted by sgoldste01 View Post
(even people who hate FRAM admit that the Ultra filters are excellent). But now people are questioning the bypass pressure of that filter, so I'm waiting for others to express an opinion about that. My guess is that because the FRAM Ultra is a synthetic filter, the low bypass pressure is appropriate. But I'm no expert.
I am one of those people and I am on my second change with that very filter. I do wish I could find an "oversize" but I can't get any part numbers to cross. As for the bypass rating I think it's important to remind ourselves what exactly the purpose of the bypass is. If pressure builds high enough (whatever that filter is rated for) the bypass opens and allows oil albeit unfiltered oil, to the engine preventing oil starvation. With a standard paper media filter, generally speaking, they flow less or another way of thinking is that it would take more pressure to get oil to flow through paper media vise synthetic. So when might an engine build enough pressure to open a filter's bypass valve?? In theory, never, unless there is a problem or maintenance is neglected. So keeping all that in mind, wouldn't you be more concerned about a higher bypass rating rather than a lower rating?? Kind of like a fuse..if you blow a 15 amp fuse it's ok to use a 10 amp but not a 20. I am also no "expert", but have a pretty good understanding of oil systems among other things.
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Old 10-22-2013, 01:23 AM   #272
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I can't find an XG cross reference to the oversized L30165. There's no hard and fast rule (AFAIK) that says synthetic media flows better than paper.

For those who prefer synthetics there are the large M1-104 and PSL14459.

Quote:
So when might an engine build enough pressure to open a filter's bypass valve?? In theory, never, unless there is a problem or maintenance is neglected.
At start-up, when the oil is cold and thick.

Last edited by Commander Keen; 10-23-2013 at 07:34 PM.
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Old 10-22-2013, 04:20 AM   #273
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Quote:
Originally Posted by Commander Keen View Post
I can't find an XG cross reference to the oversized L30165. There's no hard and fast rule (AFAIK) that says synthetic media flows better than paper. For those who prefer synthetics there are the large M1-104 and PSL14459, and the even larger M1-401. At start-up, when the oil is cold and thick.
I wouldn't ever consider 0w20 oil thick, no matter how cold it is.
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Old 10-22-2013, 07:52 AM   #274
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Quote:
Originally Posted by Commander Keen View Post
For those who prefer synthetics there are the large M1-104 and PSL14459, and the even larger M1-401.
That Purolator PSL14459 filter looks like a quality product, but does not show as being compatible with our Imprezas. How do you know that it is?

Same question for the M1-104.
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Old 10-22-2013, 11:19 AM   #275
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I've put about 15,000 miles on several PL14459s and about 5,000 on an M1-104. The PSL14459 has the same specs and filters almost as well as the PL filter, but both should do a great job.

These filters have a greater diameter and more can volume than the TR filter. If someone opens up a spent TR, we could compare the media area.
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