Amsoil Oiled Foam>???-Opinions?

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I have 4 vans equipped with Amsoil air filters. So far the results are good with the silicon in my UOA's hovering around 1ppm/1000 miles. I especially like the thick foam seal. I coat it in filter oil and the air box lid really has to squeeze it down. So there's no way air is going to bypass the filter.

I clean them every 25,000 miles and they are usually very filthy by then. At the same time I clean the MAF sensor as a precaution, but I've never noticed any oil that has migrated up that far.

Paper filters arn't as cheap as they used to be and I keep my vehichles for a long time. So a reuseable filter is cheaper in the long run.
 
I thought that the SAE test that was done by spicer showed the Amsoil foam air filter to run with the big boy's paper filters in terms of filtration?
 
The Amsoil Foam filter filtered at 98.63%efficiency,just .1 under a paper air filter that alot of you people use or have used.

This Amsoil filter is great for those that feel the need to use a re-usable air filter.

I would use it, it would stand up in wet conditions and the seal would not degrade over-time, making its .1% trade well worth it, as your paper would probablly pass some dirt equaling .1% anyway over the life of your vehicle due to its seals, water contamination, etc.

Even if the paper functioned perfectly, this difference is somthing, but nothing in your lifetime.

Cars will be flying and everyone will be in old folks homes before your engine would fail due to higher si. levels in your oil, your car would be trashed in 1/10th the time it would take for this to cause an engine failure.

I would use the Amsoil foam. I used a K&N in a 87' Toyota 4x4 for 15 years and I did not have a problem, and its the worst filter on the chart. Remember my previous posts? This toyota has 407,000 miles on it, and it still runs. It needs some work now in order to keep, but I'd say i got my moneys worth, and its still far away from any failure due to the K&N that was in it. Did my engine take in more dirt? Yes it did! Did i save money? Yes i Did.

I think you should get an Amsoil filter.
 
my UOAs show it does a good job on my aspire.

As far as ruining MAFs with oil...you should be cleaning your MAF every 6 months with ELECTRICAL CONTACT CLEANER (nothing else....NOTHING else) anyways.
 
Well i just removed my Amsoil foam air filter. After reading on this site about the paper and foam I went out to my truck this morning and held the filter to the light. I saw light through the holes in the foam! I could not believe that this could be but there it was right in front of me. I took out the IP Stage II intake and put my stock box back on. I went to Napa and bought the Napa Gold air filter. Took out the Amsoil and I tell you now I cannot feel any difference. I will leave the stock on since i am trying to get this truck to 250,000 miles before I think about trading it in.
 
nothing beats a stock air box. There is a reason why car manufacturers use this simple remote, enclosed design. Between the stock remote air box, and a good OEM filter, dirt is practically illiminated.
 
Yeah Redwolf I have to agree with you there. I am going for the long term approach. The noise is better with the performance intake but the filtering power is just not there. And there is no HP gain that I could feel. So, back to stock I go.
 
I would like to go back to testing. Amsoil really pushes their oil tests, especially the 4-ball test and how much better they are than others. Where are the same tests for the foam air filter?

And let me see if I have K&N right. They claim more air flow and gains in horsepower? They must be talking only about that brief time when your engine is going at max rpm and wot. If so, then the K&N is only useful for brief moments during the life of an engine. It appears that any other time the limit to air flow is your foot. If you want more air flow you just 'step on it'. Maybe, if K&N would publish the tests that prove the 15% improvement then we'd all understand foam filters a little better. By not publishing the test results they are saying, 'trust us, facts are not everything, besides our filters look cool'.

Am I on the right track?
 
LarryL, That just about summ's it up.
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This MAF issue may make a big difference on some cars and little on most.I am going to reinstall the AMSOIL filter on this OCI and see if the mileage or anything is effected by it.My SI can only get better the way I see it.I will have AMSOIL AIR,OIL and OIL FILTER in hope of bringing all the levels down a tad.The last time I used a lube type air filter was on my Harley.I used to mix STP & 30wt. oil for the foam oil.
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Does anyone own a 2003+ Ford Ranger with the 4.0L v6 in it?

This is just somthing to consider. The air box in this truck does not screw or have snaps that hold the top on, instead you slide two teeth into the left side of the box, then you push down on the right side until tiny snap in pieces click into place. The box remains loose, and when I go to change my air filter, the OEM one, there is dust on the seal on BOTH sides.

Think about how many cars leak a small ammount of dust by the filter, and you will realize that the debate about guaze, foam and paper is sort of pointless.
 
There are no better air filters than high quality "paper" . seal the filter to the air box with sensor safe rtv. Imo Amsoil foam filters, all things equal way better than K&N. I have 2 brand new Amsoil 2 stage filters in the box that fit a 1988 camry 4 cyl or a 1987 olds 3.8 v6 that I can't give away what ever that tells you.
 
Oiled foam air filters work extremely well - provided they are properly cleaned and reoiled with the correct # of oil.

The nice thing about paper or blown polymer filters like the Donaldson "Endurance" air filters is that the engineering is built into the filter, so it's foolproof.

The Donaldson "nanotechnology", oil/air filters work so well I wouldn't be surprised if Amsoil were to go to this design across the board - say in the next year or so...
wink.gif


Tooslick
 
quote:
Originally posted by **** in Falls Church:
Steve S--

What that tells me is that you don't have any friends who own 88 Camry or 87 Olds.

I've got a whole bunch of filters, too, including some for old Ford trucks from the late 60s
Click to expand...
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FWIW, the stickiest nasty stringy foam filter oil I've found is belray. After oiling with it you wonder how anything can get past it, LOL!
 
The Amsoil filter oil is on the thick side that's what made me think of the STP concoction.I would think a thin oil would not stay on my AMSOIL 2 Stage air filter.I think I will clean it every 3000 miles at first to see how dirty it gets.I had a old Mercury flathead wit a oil bath filter a different concept.
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I scrapped the Amsoil filter in my Tahoe 2 wks ago. I took the filter box out and power washed it to get the oil out of the bottom. I had never re-oiled the filter. Had it in the truck for about 25K miles. I did not have any oil on the MAF or in the intake snout, but I went back to a paper filter that I can change every 6 months or so. It works for me. Your results may differ!
 
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