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Old 12-29-2009, 06:37 PM   #276
Vince F
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So the new blue filter is smaller in diameter than the older black filters, or so says my filter wrench. I had to hand tighten the blue filter since the wrench no longer works. Anyone find a filter wrench for the new blue filter?

I can't believe how stupid SOA is for this oversight.
Because of the filter location on my 2.5i, and the stories about how tight some filters were on from the factory I bought a cup tool to use a ratchet with, on the blackie that came with the car. There are different sizes, and mine didn't fit the smaller blue filter I used once, and after all the debate about the blue one, that was what made me decide to go with Pure One's, even though under warranty. I thought about keeping the warranty in force, but plan to keep the car a Lot longer, and went with my gut, and the cup/filter size.)) I like a BIG oil filter, but haven't looked for one that will fit yet. Being close to the ex manifold, I figured SOA Might say something about that if there was a problem.
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Old 12-29-2009, 07:40 PM   #277
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You also have to consider the fact that bigger doesn't always mean better. You have to be careful with that.
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Old 12-29-2009, 08:04 PM   #278
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You also have to consider the fact that bigger doesn't always mean better. You have to be careful with that.
That's what she said

Back on topic, I've had the blue filter on my car a couple times and it hasn't exploded yet.
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Old 12-31-2009, 02:47 AM   #279
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You also have to consider the fact that bigger doesn't always mean better. You have to be careful with that.
what in particular? Media porosity, relief valve pressure?
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Old 12-31-2009, 05:39 AM   #280
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That's what she said
Nice one

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Originally Posted by Vince F View Post
what in particular? Media porosity, relief valve pressure?
I mean in the sense that many think that a bigger/larger filter means more filtration/oil passage. This may not always be true. I don't have any facts or readings to prove this with the new blue oil filters... I just wanted to throw that out there. I could be completely incorrect in regards to the blue filters.
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Old 12-31-2009, 09:23 AM   #281
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There is a lot of info around about how small a particle needs to be filtered to not cause wear, so would think the finer the filter the better, but then They plug up sooner and open the bypass valve, and then how stiff should the bypass spring be on it, and the sube ones are said to be stiff. I read at above 3500prm, the valve will open. I think a filter that is bigger that filters small particles would be better than a small one that filters good. I believe I read that the blue sube filter has a paper medium, while a combo of paper, synthetic fibers and fiberglass ones filter finer particles. Can always add a bypass oil filter that filters down to 1 or 2 microns, for 200$.

Honda recommends changing the filter Every Other oil change, or 15K mi, so what does That say?
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Old 12-31-2009, 12:20 PM   #282
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...
Honda recommends changing the filter Every Other oil change, or 15K mi, so what does That say?
Nothing about Subaru's.

-Dennis
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Old 12-31-2009, 01:07 PM   #283
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Honda's also don't have turbo chargers and AWD systems and the likes which cause more wear on the engine and it's oils.
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Old 12-31-2009, 07:32 PM   #284
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can't see how AWD puts more wear on a motor, and does a water cooled turbo still coke the oil, even synthetic? If Honda recommends 15Kmi in NA motors, wouldn't that say the filters are good for at least that long in them? Wonder what could be different with Theirs, Maybe Bigger filters?
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Old 01-01-2010, 04:28 PM   #285
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[quote=modaddict;25928607]The reality is, the relief valve in the oil FILTER should NEVER open. /quote]

From the engine designer's viewpoint, there is a trade-off. Some users will employ high engine speeds on a cold engine (think North Dakota winters). Making a filter sufficiently porous to avoid relief-valve operation would then require a quite inefficient filter. It is better to rely on the relief valve opening during extreme conditions, in order to permit finer and slightly more restrictive filtering during more typical engine operating patterns.
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Old 01-05-2010, 09:34 AM   #286
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Honda's also don't have turbo chargers and AWD systems and the likes which cause more wear on the engine and it's oils.
Not true. The wifes RDX (turbo & awd) calls for filter every other service.
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Old 01-05-2010, 09:57 AM   #287
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That is not a Honda, that's an Acura!
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Old 01-05-2010, 03:57 PM   #288
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That is not a Honda, that's an Acura!
Thank you.
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