Merc6 Posted March 8, 2016 Share Posted March 8, 2016 Holly dead thread bump! 1* The OEM filter they speak of is no longer oem. 2* You may want to post in this sectios since recomendations for oil chage intervals changed since our 05-09 went out of production http://legacygt.com/forums/forumdisplay.php/fifth-generation-legacy-2010-2014-92.html 2005 Satin White Pearl Subaru Legacy 2.5 GT Unlimited 5EAT (Project Car) 2019 Agate Black Ford Explorer XLT 4WD (DD) Link to comment Share on other sites More sharing options...
maxxbenzz90 Posted September 19, 2020 Share Posted September 19, 2020 Melayout makes the most valid point. With a turbo you dont want a drop in oil pressure, that's for sure. These are gimmicks perpetrated by the BLM movement. I'm joking sorry. But yeah gimmick sales tactics to sell you their filters Sent from my SM-G955U using Tapatalk Link to comment Share on other sites More sharing options...
maxxbenzz90 Posted September 19, 2020 Share Posted September 19, 2020 Also, why in the world would a Subaru dealer not sell u the filter that's the best fit for your application? No they dont want your motor to explode so you have to have a new motor put in by the Subaru dealer. If anyone believes this you have serious issues with conspiracy theories. 911 was committed by our government so we could go to Iraq to get their oil, UFOs are going to attack......you get the picture. Sent from my SM-G955U using Tapatalk Link to comment Share on other sites More sharing options...
maxxbenzz90 Posted September 19, 2020 Share Posted September 19, 2020 IMO, using the stock Subie oil filter is a no brainer. That is most likely the filter used when testing our engines and is most likely the filter spec'd by Subie engineers as one that will filter the engine oil correctly and maintain engine life. Why use anything else? No doubt other filters may perform better, but how can one be sure, given our turbo engine and proximity to the exhaust? To me using the filter spec'd by Subaru seems like the best choice.Well said. I agree Sent from my SM-G955U using Tapatalk Link to comment Share on other sites More sharing options...
maxxbenzz90 Posted September 19, 2020 Share Posted September 19, 2020 Cars are knocking BADLY, bone stock. There is a huge delay in the switch between open and closed loop fueling and the car runs at a stoich air/fuel ratio for a couple seconds under full boost. It is a bad, bad problem. Worse than when some of the first STI's were pinging on Cali gas. This affects every single '04+ WRX. Most people simply feel it as a flat spot in the powerband, which is the ECU pulling timing in response to the knock. Anything that helps the turbo spool quicker -- exhaust stuff, uppipe, etc -- exacerbates the problem because the car is at full boost longer before switching to open loop fueling. By this token you would never modify anything on your car. Are you enjoying those RE-92's? Those are the tires "spec'd" by Subaru. I wonder why it puts them on nearly every single model. I bet it's because they were tested on each one and found to be the best possible tires, right? Maybe it's because the company gets a $2 discount per car when they buy xxx,xxx,xxx tires. Maybe Subaru is using the exact same filter on our fancy turbo Legacys as it did on its 2.2 liter 1994 Impreza L. Well no, they made it skinner in '04. Yes correct. Lets not confuse skinnier smaller and shorter smaller. As mentioned, the difference between the two Purolator Pure One filters (one being the stock filter that Subaru uses, by the way.... and you can get the Pure One's from autoparts stores for less than the stock one at a dealership, which should be no surprise) and the two Mobil 1 filters that I linked is how tall they are. They are all the same width. The manifold snakes around the side of the filter. Subaru did not change the height, they made it skinnier. No matter how tall the filter is, it has nothing whatsoever to do with its proximity to the manifold and nothing to do with how much heat it absorbs... ...actually, you could argue the taller filter gets more airflow, which would have a cooling effect. Increased oil capacity is a bonus. More filter medium means it can filter and hold more "stuff" without restriction. There is an inlet and outlet side in an oil filter just like an air filter. More surface area almost always means less restriction and longer service life. Jeremy The bright side is that our cars don't work filters very hard. I can't remember how many threads (dozen?) I've read with peoples' oil analysis results, but it's rare to see any breakdown before a good 8,000 miles, regardless of filter. To be completely honest, I don't think it's all that important on our cars.Of course car companies will go with the cheaper way to do certain things if it makes sense. Every manufacturer of anything is going to do this. Now if this particular part or design comes out to be a huge mistake like burning up turbos, they will try to remedy the situation asap because this will affect future sales. Subaru changed their design of the filter because this again was the cheapest way to fix the problem. Not changing the exhaust configuration, not by redesigning the turbo not anything. Except to change the filter design. Wala problem solved for the customer using the cheapest way saving everyone involved money. Applauded the new engineer and fire the old one. Happens every day Sent from my SM-G955U using Tapatalk Link to comment Share on other sites More sharing options...
boxkita Posted September 19, 2020 Share Posted September 19, 2020 4 posts that added no value. Wow! Build my car Boxkita Track days Link to comment Share on other sites More sharing options...
amptramp Posted September 22, 2020 Share Posted September 22, 2020 I have tried NAPA Wix filters before and found that they loosen themselves after a period of time and have to be retightened on a regular basis. I am now running an Amzoil filter which has no such problem. I may try something cheaper next time - there has to be a decent filter out there that doesn't cost a ridiculous amount. As for the Subaru filter, there isn't one. Subaru does not manufacture oil filters, they buy them in. This is similar to the situation with my Miata where the filters that came on the car were Tokyo Roki filters but if you buy a filter at the Mazda dealership, it is a rebranded Fram, which is a low-quality filter. Link to comment Share on other sites More sharing options...
Rusty9 Posted September 22, 2020 Share Posted September 22, 2020 The best oil filter is the one you change often. Link to comment Share on other sites More sharing options...
JJr Posted September 22, 2020 Share Posted September 22, 2020 Mazda N3R1-14-302, been using it for years! Link to comment Share on other sites More sharing options...
whitexc Posted September 23, 2020 Share Posted September 23, 2020 I ordered a few Mazda filters after just using my last OEM blue filter. Sent from my moto z3 using Tapatalk Link to comment Share on other sites More sharing options...
08legacygtturbo Posted October 8, 2020 Share Posted October 8, 2020 That's sorta a loaded question but I personally use either wix XP or royal purple oil filter I normally run the royal purple oil filter unless they don't have any in stock they both have good flow/ filtration specs and are built well as are some others out there Link to comment Share on other sites More sharing options...
boxkita Posted October 8, 2020 Share Posted October 8, 2020 why have stickies if no one reads them - https://legacygt.com/forums/showthread.php/clearing-up-all-oil-info-79800.html Build my car Boxkita Track days Link to comment Share on other sites More sharing options...
Neukam Posted October 13, 2020 Share Posted October 13, 2020 I run the best quality oil filter that the auto parts store has at the time for a 2001 Honda Civic. They are the same width and thread as the Subaru filter but taller. Another member mentioned Mobil 1 M-110, which is the filter for a 2001 Civic, BTW. I like having the larger size filter. In my opinion, having a good quality filter with adequate filter media is extremely important. I usually buy the Mobil 1 if available, but I've run Bosch Distance Plus, K&N, Purolator One, etc. There may be a "best" filter but I feel that any of the "premium quality" oil filters should be sufficient. Sometimes Autozone has oil change specials which include an STP filter and are cheaper than just buying the oil so I grab a random STP filter and throw it in the trash as I'm walking out the door. All of this is my opinion and is worth exactly what you paid for it. Link to comment Share on other sites More sharing options...
boxkita Posted October 13, 2020 Share Posted October 13, 2020 ynasb thread coming soon... Build my car Boxkita Track days Link to comment Share on other sites More sharing options...
Neukam Posted October 13, 2020 Share Posted October 13, 2020 You just never know... Link to comment Share on other sites More sharing options...
G19Jeeper Posted October 17, 2020 Share Posted October 17, 2020 I run Napa Gold made by Wix. They give discounts on quantity and for $6/pc, i change em every 3k miles Link to comment Share on other sites More sharing options...
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