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Thread: Official Oil Filter Comparison

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    SLi O.G. httrdd's Avatar
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    Oil filter half-cut comparison

    Ok I did this to a brand new filter for automotive science.

    Breakdown: This thing is cheaply made. Cannot believe it has that cardboard element. It cut in half with no effort from a bandsaw. Lol. I will never buy one of these ever again.

    FRAM Extra Gaurd









    TJ

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    Re: Oil filter half-cut comparison

    Nice. Though, you shouldn't have chopped it in half. Next time try cutting up near the top or the bottom and pulling the filter out. I have one I could cut up, but might be pointless.. we get the point they are cheap

    Good work!
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    SLi O.G. httrdd's Avatar
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    Re: Oil filter half-cut comparison

    Thanks. I am going to buy the purolator tomorrow.
    TJ

    99 LGT H6 Limited OBP

    A little bit of Wrx, a little bit of 2.5RS, a little bit of STi, a LOT of SVX!

    Will I ever supercharge this Eg33???


    Quote Originally Posted by chuckthefuk
    Cheers and the Baja is not the bastard child.. The Legacy is :-D -Chuck

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    Re: Oil filter half-cut comparison

    I know "tomorrow" was yesterday, but if you didn't get one yet...
    http://www.subaru-svx.net/forum/showpos ... stcount=78
    Dave
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    Re: Oil filter half-cut comparison

    Theres a thread here about the 944 oil filter. I have a K&N filter but it doesnt fit with the UEL header.
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    Re: Oil filter half-cut comparison

    Thats great dave. I am getting my new filter tomorrow amd will have to look into that one. Is that size made by pure one purolator too?
    TJ

    99 LGT H6 Limited OBP

    A little bit of Wrx, a little bit of 2.5RS, a little bit of STi, a LOT of SVX!

    Will I ever supercharge this Eg33???


    Quote Originally Posted by chuckthefuk
    Cheers and the Baja is not the bastard child.. The Legacy is :-D -Chuck

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    Re: Oil filter half-cut comparison

    I think so but they are not as well stocked as normal subie sizes. I know others have gotten the Bosch/Mobil 1 version.
    Dave
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    Official Oil Filter Comparison

    The following is a general build comparison between K&N, WIX, Parts Masters, Fram and Beck/Arnley.
    To better know the quality and design of each filter I have dissembled each filter and documented the size of the filter
    element itself and the components within. These filter’s where donated to me from Baxters Auto Parts for this research.


    First this is how I measured each filter material.


    Here are the five filters that I will be dissembling.


    K&N - HP1004 - $10.99


    Filter core components-
    Stamp steel end caps
    Integrated bottom bypass valve
    2 ¾ Diameter
    1 15/16 length
    5 – ¼ Inlet Holes
    1 9/32 outlet hole
    Filter Element-
    52 Pleats with a glued seam
    ½ pleat depth
    51 ½ length * 1 5/8 wide = 83.6875 sq. or 83 11/16 sq.
    Flat bottom / Round top o-ring
    Steel plate spring
    Center Support Tube-
    1 5/8 Diameter
    1 13/16 length




    (below) This is the bypass valve


    (below) This is the glued seam


    (below) This is the Flat bottom / Round top o-ring


    WIX – 51334 - $7.79


    Filter core components-
    Stamp steel end caps
    Integrated top bypass valve
    3 Diameter
    1 3/8 length
    8 – 7/32 Inlet Holes
    1 ¼ outlet hole
    Flat bottom / Flat top o-ring
    Steel coil spring
    Filter Element-
    52 Pleats with a metal crimped seam
    3/4 pleat depth
    77 ½ length * 1 5/8 wide = 125.9375 sq. in. or 125 15/16 sq. in.
    Center Support Tube-
    1 3/8 Diameter
    1 5/8 length




    (Below) This is the Flat bottom / Flat top o-ring


    (Below) This is the metal crimped seam (on a side note if you notice on this filter material is not evenly distributed)


    Parts Master – 61334 - $2.99


    Filter core components-
    Stamp steel end caps
    Integrated top bypass valve
    2 11/16 Diameter
    1 5/16 length
    8 – 7/32 Inlet Holes
    1 ¼ outlet hole
    Flat bottom / Flat top o-ring
    Steel coil spring
    Filter Element-
    43 Pleats with a metal crimped seam
    3/8 pleat depth
    48 length * 1 5/8 wide = 78 sq. in.
    Center Support Tube-
    1 15/32 Diameter
    1 21/32 length




    Fram - PH3593A - $4.49


    Filter core components-
    Paper end caps
    Plastic bypass valve integrated in bottom spring
    2 7/8 Diameter
    2 3/8 length
    12 – 1/8 Inlet Holes
    1 3/8 outlet hole
    Flat bottom / Flat top o-ring
    Steel plate spring
    Filter Element-
    40 Pleats with a metal crimped seam
    9/16 pleat depth
    45 length * 2 1/8 wide = 95.625 sq. in. or 95 5/8 sq. in.
    Center Support Tube-
    1 13/32 Diameter
    2 ½ length




    Beck/Arnley - 041-8163 - $8.29


    Filter core components-
    Stamp steel end caps
    Integrated bottom bypass valve
    2 7/8 Diameter
    2 1/8 length
    6 –1/4 Inlet Holes
    2 8/32 outlet hole
    Round outside / Flat (thin) inside o-ring
    Steel coil spring
    Filter Element-
    76 Pleats with a metal crimped seam
    5/8 pleat depth
    84 length * 1 5/8 wide = 136.5 sq. in. or 136 ½ sq. in.
    Center Support Tube-
    1 5/8 Diameter
    2 length



    (below) This is the Round outside / Flat (thin) inside o-ring


    I don't want to tell you what the better filter is as I want this to be a unbiased comparison. I would rather you guys choose the filter you want to use after reading all this information.
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  9. #9
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    Re: Official Oil Filter Comparison

    Cool, thanks for this, its hard to find a comparison like this where they are all for the same vehicle and it is unbiased.

    Just to let you know I think you have a small error under the fram filter. You state that the filter element is 95.625 sq. in. or 125 5/8 sq. in. Just thought I would let you know.
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    Re: Official Oil Filter Comparison

    Thank you... fixed
    hansvonaxion: "So there's an SLi compound with a cache of weapons and free range EJ's?"

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    Re: Official Oil Filter Comparison

    Very nice writeup, but I'd like to see how people weigh in on this for people like me who don't really know what to make of the numbers. I mean, I think I have an idea, but I'm no expert.

    Thanks for such a detailed comparison!

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    Re: Official Oil Filter Comparison

    That Beck Arnley filter looks nice they have quality parts. Should of took a pureONE filter apart they get good reviews. My engine shows it taking BA filter 041-8074. Im guessing all these filters are for the same engine?
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    Re: Official Oil Filter Comparison

    I forgot to share this you guys, new Wix filter with higher bypass pressure than the 51334/51365 (23 vs 8psi), here's the specs.
    Part Number: 57712
    UPC Number: 765809577121
    Principal Application: Various Subaru (88-12)
    All Applications
    Style: Spin-On Lube Filter
    Service: Lube
    Type: Full Flow
    Media: Paper
    Height: 2.577
    Outer Diameter Top: 2.685
    Outer Diameter Bottom: Closed
    Thread Size: 20X1.5 MM
    By-Pass Valve Setting-PSI: 23
    Anti-Drain Back Valve: Yes
    Beta Ratio: 2/20=2/20
    Burst Pressure-PSI: 300
    Max Flow Rate: 9-11 GPM
    Nominal Micron Rating: 21
    Gasket Diameters
    Number O.D. I.D. Thk.
    Attached 2.475 2.173 0.233

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