Oil Filter Internal Views

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Man, this is great information! RealWing should receive some kind of recognition on this web site for his work!

So a K&N costs 10 bucks! So an Amsoil oil filter costs 10 bucks or whatever! What does your engine cost? I will be using K&N on my car!
 
Great pics RealWing. How about some of a Toyota 90915-20004? This is what the V-8 gets at the factory. The YZZ series are cheaper filters and I suspect not as well designed/built as the 20004.
Thanks.
 
The pictures don't seem to be loading up this morning. I've left this browser window open for over ten minutes and not a single picture has come up.

They were showing up at home very early this morning (5am) but I didn't have enough time to fully check them out then.
 
Pictures all loading fine for me.

One huge observation: And please I'm not being defensive - the Amsoil SDF-20 center core is different than any Amsoil oil filter I've dissected. The ones I've seen are slitted - little punched slots instead of round holes. Did anyone else notice this?

Maybe that size is made different???
 
I can see the pics now too! I'm sure glad I've been using the K&N HP1004 on my wife's Honda for the last few years! It sure looks like a well constructed filter that will flow extremely well. The filter media on that Fram filter really looks cheap to me, I can't see it being anything but cheap cellulose there. It looks like it'll fall apart really easily too.

I'm using the NAPA Gold 1334 on my sister's 99 Civic, and that also looks like a good filter. I know the Carquest Premiums are the same, but it would be nice to see one of them cut open too just to confirm. Believe it or not, the Kralinator filters sold at Mr.Lube are supposedly identical to NAPA Gold and Carquest! So those people who pay extra for OEM oil filters at Mr.Lube are not doing themselves a favor, as the Kralinator filter they normally use is the better choice!
 
If you don't mind, could you cut open an AC Delco PF1127C also? This filter is the cross reference to these same Honda ones here, and is only about $3 or $4 at Walmart.
 
quote:
Originally posted by Pablo:
One huge observation: And please I'm not being defensive - the Amsoil SDF-20 center core is different than any Amsoil oil filter I've dissected. The ones I've seen are slitted - little punched slots instead of round holes. Did anyone else notice this?

Maybe that size is made different???
Click to expand...
GOsh, you are observant and correct. I use the 20 on my lawnmower and the 36 on my Accord (bigger than 20) and the 20 does have round holes and the SDF36 and SDF34 (toyota's) have slits. Now, let me add, the SDF20 filter I just looked at is 3 years old so they might be different now. Very interesting!!
 
quote:
Originally posted by theophile:
How about some of a Toyota 90915-20004? This is what the V-8 gets at the factory. The YZZ series are cheaper filters and I suspect not as well designed/built as the 20004.
Thanks.
Click to expand...
You are correct. I bought both and cut them both open to see for myself. In the Lexus forum, you will see the 20004 is the better filter. More media, different bypass setup. I would only use the 20004, made in Japan, $5-$6 on the www.
 
Great work RealWing. When I was chopping filters I didn't know
enough to carefully observe the valves and other construction. I
focused on media area. Working with the dealer and making the
display for Honda Canada is a great idea. Far more likely to help
than all the griping we do. Nothing beats a competent presentation
of the data to those in a position to make changes. Maybe my
Chevy dealer needs to take lessons on customer service from
yours.

When compared to the size of the passage ways for the oil
elsewhere, I doubt the holes in the filter make much difference.
Since the ADBV is most important when you shut down the engine,
I think the nitrile rubber would seal OK when warm. the poor
sealing bypass valves is an issue.

I want to assure Patman that the AC's are pretty good. If I could
find the ones I need for $3-4, I wouldn't consider anything else.
The PF 1177 I cut open had about half again the filter area of
anything else and over 3 times last place Fram. See all my data
back on "Best oil filter for under $6".

A good compromise on a digital camera is digital development. I
have used Photoworks for years. Besides prints and slides, they
store my photos online. I can also buy them on a CD. Now
Wally's and many other places offers photos on CD. It is slower,
but you can easily have digital images from pictures you take with
any camera. Shop around. Prices are about what just prints and film used to cost.

Do I understand the links policy correctly, that RealWing could
have posted a link to the pictures, but I shouldn't post links to
commercial places I like such as Photoworks and the place selling
used shop manuals? I am neither a dealer or own stock in either.
 
This post by RealWing is one of the best posts I have ever seen at this web site, and I have seen a lot of good posts here. The photographs are outstanding-I do a little photography myself, using both film and digital.

Now I am not an expert on oil filter design, but to me personally the Amsoil, NAPA Gold (Wix), and K&N appear to be of very good construction. I am going to use a K&N with my Schaeffer's Oil and Auto-RX maintenance dose.

That Toyota oil filter looks strange to me. Seems to me that it could plug up more easily. I think pesonally that if I had a Toyota that used one of those oil filters, I would use a K&N or Amsoil instead.

It would be interesting to see some other oil filters cut open-the AC Delco, Motorcraft, Mobil 1, Baldwin, and Hastings all come to mind.

What really stands out in this post is the high quality color photography-great job!
 
Another thought. To me, the factory installed Honda oil filter looks better than the replacement oil filters available at the dealerships. This is apparently true in the case of Saturn as well-a different oil filter is apparently installed at the factory than is available as a replacement oil filter.

To me this is strange, especially if the replacement oil filter may be of poorer quality than the factory installed oil filter.

Is this an indication that the car manufacturers worry about the oil filtering when the car is first sold, but then don't care about oil filter quality after the car or truck has been sold?
 
Weren't there supposed to be cardboard endcaps on the Purolater???Look like metal to me
dunno.gif
 
Mystic

That was my observation as well about the factory install filter being much better than the replacement. Will see if Honda execs have anything to say!!!
 
Greaser, Only some Purolator Premimum Plus filters have the cardboard endcaps. I cut open and posted pics on this site of a PPP 10111 equivalent to an AC PF47 with cardboard endcaps.
 
about the PH3593A vs. PH6811...

they are interchangeable, but the 6811 is longer/bigger. the ph3593A is equivalent to a wix 51334 and the ph6811 to a 51344.
 
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