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  #16  
Old 03-26-2009, 08:07 AM
dcarrb dcarrb is offline
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Re: Proper SVX oil filter?

Most "premium" filters, fluids and whatnot are precision engineered to lighten your wallet.

For normal driving, any plain old oil filter, changed regularly, will do just fine.

dcb
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  #17  
Old 03-26-2009, 10:26 AM
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Re: Proper SVX oil filter?

Quote:
Originally Posted by Blacky View Post
It's funny they don't have 12 month oil, only 6 month 7,500 mile oil. I don't mind doing 4 oil changes a year. It gives me a chance to poke around under the car looking for other issues.
what if i drove 7500/yr, would 7500mi oil work?
actually you must not be looking to hard. amsoil does have 12 month oil, notice @ the bottom of linky, service life.
http://www.amsoil.com/storefront/asl.aspx
i spend enuff time looking under and around my car i don't need to waste more oil.
there's some leaking off valve covers. fresh heads/gaskets in the works.
i'm working on being as green as i can. as it's synth and it doesn't break down like reg oil. i worked for an oil testing lab back in the day so i've learned a few things about oil, but i know that everyone else knows more than me.

Quote:
I'd be interested in knowing how anyone can "guarantee" an oil filter. Guaranteed to do what?
dcb
i'm pretty sure they mean, guaranteed to filter and not plug up. see linky below
i'm not an amsoil tech or nuthin, just a gearhead that finds the oil stays clean w/ the normal wix/amsoil filters for 3K miles. so the new Ea filter was worth a shot. http://www.amsoil.com/storefront/eao.aspx
i've only got 2500 miles on it so far, oil still looks as clean as normal.
hey spend all the $ you want on oil changes, no matter to me.
but w/ the lezbaru and 3 trucks i'm doin 4 oil changes a yr w/ synth. plus synth AT fluid changes.
plus winter/summer tire changes etc. i'm gearhead enuff.
i'm also using/testing the amsoil stuff in the 450hp engines in my pickup and burban, using it hard!
btw- some newer cars even have oil change sensors to let you know when to change them based on contamination and viscosity.
as for these purolator filters coolin, if even possible, by what? 5 deg F?
since it takes an ext. cooler, not next to engine, w/ LOTS more surface area, to cool 20+deg.
maybe it'll make a diff, but synths don't have nearly the heat break down issues as dino oil.
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Last edited by Schralper; 03-26-2009 at 12:08 PM.
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  #18  
Old 03-26-2009, 11:55 AM
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Re: Proper SVX oil filter?

Quote:
Originally Posted by Tim View Post
People seem to like the porsche 944 oil filters by Purolator. They're much bigger and are supposed to cool/filter the oil better.
Thats correct. Go to svxfiles locker HERE to see more comparisons and benefits.





The same stock filter is used on many 750cc Honda motorcycles. A 750cc oil filter to protect a 3300cc engine? I don't feel too comfortable about that.

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Last edited by svxcess; 03-26-2009 at 12:01 PM.
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  #19  
Old 03-26-2009, 06:34 PM
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Re: Proper SVX oil filter?

I just simply prefer to use the oil filter that was designed for our cars. It's a little pet peeve that I have. I'm not trying to say that anyone else should use it. It's just my thing.
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  #20  
Old 03-26-2009, 07:02 PM
alltrac alltrac is offline
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Re: Proper SVX oil filter?

I worked at a Subaru dealership and the only filter I ever used for my SVX was the SOA5165109 when did they change?
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  #21  
Old 03-26-2009, 08:27 PM
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Re: Proper SVX oil filter?

Quote:
Originally Posted by alltrac View Post
I worked at a Subaru dealership and the only filter I ever used for my SVX was the SOA5165109 when did they change?
Same here. I worked at a Subaru dealership, and was only familiar with the 109. When I went to get the filter the other day, I was handed the 031, which the counter lady explained superseded the 109.
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  #22  
Old 03-27-2009, 09:28 AM
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Re: Proper SVX oil filter?

Quote:
Originally Posted by Green1995SVX View Post
I just simply prefer to use the oil filter that was designed for our cars. It's a little pet peeve that I have. I'm not trying to say that anyone else should use it. It's just my thing.
I do this too for all my Subarus. I have even been known to buy them off ebay when someone splits a case b/c they sold their subaru and has some filters left over.
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  #23  
Old 03-31-2009, 11:00 AM
STORMINORMAN STORMINORMAN is offline
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Lightbulb Re: Proper SVX oil filter?

The SuperTECH ST3593A oil filters from WallyWorld are typically under $3.00 each: I've used them for years and years with nary a problem, often for what I consider to be an "extended OCI" (like 7.5K miles)...

Construction seems to be 1st class and comperable to the various name-brand's "PREMIUM" filter$.

Just a suggestion IMHO.

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  #24  
Old 04-01-2009, 09:40 PM
NiftySVX NiftySVX is offline
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Re: Proper SVX oil filter?

Yeah they changed from the 109 awhile back, now they are black instead of white. I always use a genuine subaru filter. At the dealer we've got a cutaway that shows the fram and one of our toyota filters, and there is a major difference. I don't like the filters and the others that have a flat gasket on them, they seem to be more likely to leak than the ones with the gasket that is more like an o-ring. The cheaper filters don't even have a bypass.

Oh, and don't go 7500 miles between oil changes, no matter what oil/filter you're using. 5,000 should be your max, especially on an older engine. Trust.
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  #25  
Old 04-01-2009, 10:08 PM
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BoxerFanatic BoxerFanatic is offline
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Re: Proper SVX oil filter?

Oil filters are designed to be somewhat universal, to help oil filter manufacturers.

My '05 Legacy GT 2.5 Turbo uses the same, and I mean EXACTLY THE SAME oil filter part number as my wife's 99 Miata 1.8 liter NA, and also exactly the same as my 1989 (as in the eighties) Honda Hawk GT 647cc motorcycle V-twin engine with common engine and gearbox oiling.

And I also found out that the fitment for the ~2005 V6 Honda Odyssey minivan uses the same pattern filter (diameter, seal diameter, thread pitch, etc...) that is merely 10 millimeters longer in the casing and filtering element.

With larger filter area, and the same pressure, the filter holds a bit more volume, but also flows more volume of oil. Especially in the turbocharged engine, not starving the engine for oil volume is a good thing, and a few ounces more oil in the system, and the same dipstick reading, isn't a harm.

The other thing mentioned is cooling... that depends. On the EJ25 turbo, the headers wrap around the oil filter location, and the longer filter actually gets slightly closer, but still behind a heat shield. And with the plastic undertray in place, I am not sure how much airflow it actually gets. All in all the net change is probably little in terms of cooling.

IF the 944 oil filter is the same pattern except for the length, it could flow a little better, and maintain volume.

I have considered the steel woven permanent, re-useable oil filters, but haven't justified dropping the cash on one... the marketing says it has a finer particulate filter, and the whole filter is threaded and o-ringed to be dissasembled, cleaned with parts cleaner solution, or even soapy water (and then thoroughly dried before re-use), and then it goes back on the car. It also has an aluminum outer casing, with cooling fins like a heat sync, if it is mounted in an airflow location.

But thinking that Subaru designed the oil filter specifically from scratch, for that engine, is almost certainly not true. It is probably similar to many other fitments, for all sorts of different engines.

Oil sump volume and windage control, gallery layout, and pump pressure and volume output, and oil cooler systems are probably much more specific to the engine's needs than a largely standardized filter.

Filter quality of construction probably has more bearing on whether the filter is a good choice than whether or not it has a bit more barrel length. Oil acidity, fuel contamination, and additive chemical break-down probably dictate oil change interval more than a clogged filter element due to debris in the oil. If the engine is creating that much debris, there is likely something else quite wrong.

Last edited by BoxerFanatic; 04-01-2009 at 10:19 PM.
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  #26  
Old 04-01-2009, 11:26 PM
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Re: Proper SVX oil filter?

Anyone have a source for the toilet paper oil filter kit??

Keith
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