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Toyota Oil Filter (Made in Thailand) vs. the competition........

Discussion in 'Technical Chat' started by chris4x4, Nov 15, 2010.

  1. Jun 18, 2013 at 9:38 AM
    #521
    stroked383z

    stroked383z Well-Known Member

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    Yes I meant to fix the WIX makes Amsoil... i typo'd... RP stuff is great. I've had great success with it. Never tried their filter personally, but they're supposed to be a great filter. Yeah I get the K&N filters for roughly 8.00. I'm actually not worrying about oil or filters for the next 1.5 years since I get the free 2/25K maintenance on the Tacoma, and free 4/45K Maintenance on my Tundra. They're both getting OEM stuff right now.
     
    Last edited: Jun 18, 2013
  2. Jun 18, 2013 at 7:30 PM
    #522
    Rich91710

    Rich91710 Well-Known Member

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    I heard that the RP filters were also Champion's premium line (K&N/M1).

    Not crazy about RP oil though....

    http://personal.linkline.com/rlockyer/oil/oil.xls

    2000 miles in May and June, the 20w50 sheared down to a 30wt.
    6000 miles in June, July, and August, the Mobil-1 20w50 just barely dipped into the 40wt range.
     
  3. Jun 18, 2013 at 9:18 PM
    #523
    stroked383z

    stroked383z Well-Known Member

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    That would make since on the Royal Purple oil filters... It looks very close on a lot of parts
     
  4. Jul 15, 2013 at 12:11 PM
    #524
    Toyoland66

    Toyoland66 Well-Known Member

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    So what is everyone's take on this, from Amsoil's website:

    [​IMG]

    Apparently the part # listed is a corolla filter
     
  5. Jul 15, 2013 at 7:13 PM
    #525
    Rich91710

    Rich91710 Well-Known Member

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    Got anything from someone other than Amsoil?
    BTW: That PF48 is constructed similarly to Fram.
     
  6. Jul 16, 2013 at 8:30 PM
    #526
    Toyoland66

    Toyoland66 Well-Known Member

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    I came across this tonight, from a bitog member's own analysis

    http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2695083#Post2695083

     
  7. Jul 16, 2013 at 8:38 PM
    #527
    KenLyns

    KenLyns 8-in. Third Member

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    ^It will be interesting to see how much extra pressure drop the Amsoil filter suffers compared to OEM.

    Do they salt the roads in Colorado? Your truck will wither away from rust long before the engine wears out...
     
    Last edited: Jul 16, 2013
  8. Jul 16, 2013 at 9:12 PM
    #528
    Rich91710

    Rich91710 Well-Known Member

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    There is such a thing as overkill.
    The first comment is simply asinine. A 93% reduction in particles of a meaningless size is NOT the same as going from no filtration to having a filter.

    Filtering particles much smaller than the gap between bearing surfaces falls under this category... and this filtration may come at the expense of flow/pressure drop and increased load on the oil pump drive mechanism.

    40-50 microns? Big concern.
    24 microns? Not a huge concern.
    14 microns and below? What were his numbers on the new oil out of the bottle?
    Modern engine specification MINIMUM clearance is .0005*D where D is the diameter of the journal. Max clearance is .001*D
    For a 2.5" journal, that comes out to 32-64 microns.
    Anything smaller than 32 microns will remain suspended within the oil and flow out of the bearing, and depending on where your engine falls in the spec, potentially anything as large as 64 microns will never bridge the film.
    A human hair is typically between 60 and 90 microns for comparison.

    The same applies to oil itself. Synthetic is a good thing, but conventional is "good enough" so long as it is changed regularly. Arguing how "this $10 synthetic oil is so much better than that $5 synthetic oil" is arguing how much MORE overkill is really needed.

    Economics balances it out.
    The EAO is a good filter... but the OEM is $4, the EAO is over $10, plus shipping. Likewise for the oil. Mobil-1 is good. So is Amsoil Signature.
    But unless you are a dealer or "preferred customer", it's not worth it.
    The cost to benefit is simply not there.
    Amsoil's marketing then moves to improving the economy by going to extended change intervals... and in doing so, much of the benefit of the product gained in the first place is lost.


    But Amsoil is good at marketing... almost as good as they are at making quality products. I'm not going to bash their products because they are good, and I have used them... but their marketing "machine" is a bit out of control. They issue spec sheets that over-emphasize issues, and their self-educated dealers take it and run with it, spreading a lot of misinformation and myth that didn't originate at corporate HQ, but corporate does nothing to dispel the exaggerations and often foolish claims of their dealers.
     
  9. Jul 16, 2013 at 9:15 PM
    #529
    Rich91710

    Rich91710 Well-Known Member

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    Supposedly, the modern synthetic media is not as restrictive as cellulose. Comparable media area is able to provide better filtration with an actual reduction in backpressure... vs filters like the PureOne (a very good filter) that simply stuff more media into the can, which does increase load.
     
  10. Jul 17, 2013 at 6:41 AM
    #530
    Toyoland66

    Toyoland66 Well-Known Member

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    I agree that the benefit is negligible until you get into higher OCI. I personally don't sweat a $6 difference in filter price, especially when amortized over as little as 5k miles.
     
  11. Jul 17, 2013 at 6:30 PM
    #531
    KenLyns

    KenLyns 8-in. Third Member

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    The Amsoil filter is actually less tolerant of longer OCI, because it clogs faster...
     
  12. Jul 17, 2013 at 7:17 PM
    #532
    Toyoland66

    Toyoland66 Well-Known Member

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    Based on what data? A lot of people are running the amsoil filter over long OCI with good results.
     
  13. Jul 17, 2013 at 8:49 PM
    #533
    Rich91710

    Rich91710 Well-Known Member

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    Even with a bypass filtration system and 25k OCI, Amsoil recommends filter replacement of both the primary and bypass filter at 10k.
     
  14. Jul 18, 2013 at 6:55 AM
    #534
    Toyoland66

    Toyoland66 Well-Known Member

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    The filter listed for the tacoma (ea15k51) is rated for 15k/ 1 year. Where are you getting that number?
     
  15. Jul 18, 2013 at 9:12 PM
    #535
    Rich91710

    Rich91710 Well-Known Member

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    I was an Amsoil dealer in 2005-2007 during the early years of the EAO filter.
     
  16. Jul 18, 2013 at 9:43 PM
    #536
    BioWheelin

    BioWheelin Well-Known Member

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    I wonder what filter is in my Taco right now... lol, yet another reason I need quality time with her to learn all the ins and outs. If it's anything other than the Toyota filter I'll be switching to that from now on! Great info.
     
  17. Jul 29, 2013 at 7:28 AM
    #537
    SABAJA

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    Merely looking at a filter only gives part of the story. The quality testing results from testing done at actual labs is probably better for making an educated decision on what's what.

    Personally, I just use factory oil filters with for whatever vehicle I own, because those generally have ended up being the better ones for your vehicle. Not to mention the filter size, media, and so forth has been taken into consideration with the recommended change intervals for that engine. Has been the case with every brand almost. Toyota guys say to buy Toyota filters. Subaru guys say to buy the Subaru filters, and Honda for Honda, and so forth. And on every forum there's that one guy who takes apart all the filters to show everyone the "quality" differences.

    Honestly...if any of the filters were dangerous to your vehicle on the whole, they wouldn't pass the testing and wouldn't be sold. People wouldn't be buying them and cars wouldn't be lasting 100k and beyond with them.
     
  18. Aug 14, 2013 at 6:16 PM
    #538
    rscecil007

    rscecil007 Well-Known Member

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    Thanks for this Chris, I was using M1 filters until I came across this.

    Quick question I didn't find an answer to in a quick search. I use Mobil 1 oil, and change my oil and rotate my tires every 5,000 miles.

    I feel the oil is fine for 5k, but is the filter? Should I change the filter at a closer interval, say 2.5k? Thoughts or suggestions?

    Thanks!
     
  19. Aug 14, 2013 at 6:31 PM
    #539
    chris4x4

    chris4x4 [OP] With sufficient thrust, pigs fly just fine. Moderator

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    The filter is fine for a 5k interval.
     
  20. Aug 14, 2013 at 8:00 PM
    #540
    rscecil007

    rscecil007 Well-Known Member

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    Great, thanks Chris!
     
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