Thanks Josh. Nice set o' links (filed for future reference).

Whenever I buy oil filters I ask the parts counter guy, "What have you got that isn't Fram"

I like Mann and Baldwin as good replacements. Amsoil isn't common in Western Canada.

Interestingly, you do not get cleaner oil by changing a filter frequently. The old one works really well right up until it the media gets saturated. :)

        Cheers, Russ
        ex-Sweet 35 mk-1

At 10:25 AM 11/3/2018, you wrote:
I've cut apart quite a few different filters from various manufacturers. Most of the high end filters are just slightly different from one another. Consistently favorable qualities are:
High density synthetic filter media
Silicone gaskets and anti-drain back
Metal media cap
Coil spring for bypass device
Thicker can and base plate.

Some of these features are hard to identify without an autopsy. But you know it when you see it.

Cheap filters tend to have
Low density paper media and glued on paper end caps
Leaf spring bypass
Rubber components
Thin can materials

I have had good luck with Amsoil, and Purolator Pur1 filters. There are lots of other good ones and lots of bad, but Fram does stand out as being on the bad side. You have 6 opportunities to do a dissection Paul, let us know what you find.

Manufacturers that provide their own specifications make shopping easier. I like to find thread and gasket dimensions and then search for the largest possible filter that will still fit the allowed space. I also compare filter media dimensions.

Wix, Donaldson, Amsoil all have online references which help you to cross reference and find the best solution.

Filter comparison article:
<https://drive.google.com/file/d/1GWN2wLUqfJ8QbUdxd1z8Jo2L24V2RVQIXLxN0ASuiXxe7ydOlpi8QCpiliBaQa2u449_fyFXE2LXfU8U/view?usp=drivesdk>https://drive.google.com/file/d/1GWN2wLUqfJ8QbUdxd1z8Jo2L24V2RVQIXLxN0ASuiXxe7ydOlpi8QCpiliBaQa2u449_fyFXE2LXfU8U/view?usp=drivesdk

Yanmar filter for QH, HM, GM, YM series engines including Yanmar cross-references and dimensions.Â
<https://drive.google.com/file/d/1WY-pDhUDtrCXF_4p2grjp_wBiNDq3y6YDQvZ-UGLZHlReYRL1b6BFY-q_-OC2Wyl0GSm_adnVOQl-x7J/view?usp=drivesdk>https://drive.google.com/file/d/1WY-pDhUDtrCXF_4p2grjp_wBiNDq3y6YDQvZ-UGLZHlReYRL1b6BFY-q_-OC2Wyl0GSm_adnVOQl-x7J/view?usp=drivesdk

The Fleetguard  FL3812 cross references to a Amsoil EA15K20.
<https://www.amsoil.com/AmsoilLookups/MasterFilterCrossRef.aspx>https://www.amsoil.com/AmsoilLookups/MasterFilterCrossRef.aspx

https://www.amsoil.com/shop/by-product/filters-and-by-pass-systems/oil/amsoil-ea-oil-filters/?Code=EA15K20

 Looking at the spec chart you could probably gain a little volume/filter media square inches by moving to a EA15K13
<https://drive.google.com/file/d/1yk6IzUYWWzaPy2DDNRx5Ak5wyM0PB5TL/view?usp=drivesdk>https://drive.google.com/file/d/1yk6IzUYWWzaPy2DDNRx5Ak5wyM0PB5TL/view?usp=drivesdk

Josh Muckley
S/V Sea Hawk
1989 C&C 37+
Solomons, MD

On Sat, Nov 3, 2018, 11:59 AM Morgan Ellis via CnC-List <<mailto:cnc-list@cnc-list.com>cnc-list@cnc-list.com wrote: I agree with Andrew on this one. In the past I was have issues with race engine and was changing filters often and cutting them open to try to identify where the wear was coming from. In doing this we cut open several different makes of filter. Fran were the absolute worst! Since then I only buy Donaldson filters, as they were head and shoulders above all others in terms of construction and quality inside.

Morgan Ellis
SV MeandherÂ
30MkII
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