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EJ20Legacy

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Everything posted by EJ20Legacy

  1. No I fully agree. The stock filters, aka Purolator Pure One, are VERY good. They are infinitely better than running a Fram. Nothing wrong, whatsoever, with the OEM filter. It is usually the one I advise people to run for simplicity's sake. However, the idea of going and getting the stock-match Purolator Pure One from Napa or Pep Boys or wherever is still legit if you feel like sticking with OEM and saving a few bucks (they're ~ $6 compared to ~ $12 at the dealership). The otherwise-identical taller version may very well be the exact same price... it is w/ the Mobil 1 filters (all $10.99). btw -- if you do a Google search for PL14610 (stock replacement Pure One) or M1-108 you'll see that most hits are motorcycle related . It's kind of funny. Apparently the Miata uses the same filter also. A lot of those motorcycle sites talk about replacing the 108 with the 110, actually. Sometimes bigger actually is better Jeremy ...and just to be clear, the thread title IS "The Best Oil Filter"..... so simply saying that the stock one is "good enough" and not wanting to go to a larger capacity one just cuz doesn't exactly feel like keeping in theme with what the thread starter was asking $0.02 ...considering the question asked, if one never claims that the OEM filter is the "best filter" then maybe that person shouldn't suggest it in a "best filter" thread. Considering that the Pure One IS the OEM filter and it's half the price, I'd say that's a better choice for "best filter" candidate. Considering there's an identical one that's twice as tall, I'd say that's an even better candidate... I mean, it's still the OEM one we all know and love, but it's taller. Maybe the extra filtering capacity isn't necessary... but maybe our airbags will never be necessary either. We all love our cars. A little overkill on stuff like this isn't exactly weird, and it doesn't hurt.
  2. 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.
  3. I wasn't sure if anyone uses the Mobil 1 filters, but AutoZone carries them. Additionally, if you buy 5 quarts of Mobil 1 AND a Mobil 1 filter, you get an instant $7.50 rebate ...at least I have the last two times I've purchased oil. It's not advertised and both times the guy behind the counter was surprised by it... crazy.
  4. ...well Subaru engineers also put a catalytic converter in the uppipe... they also made nearly every '04 and '05 WRX have SERIOUS tuning issues... Anyhoo, the move to a narrower filter was apparently to put more air space between the manifold and the oil filter so it didn't get heated up as badly. The stock size is also used on motorcycles, btw. It's an extremely small filter. Jeremy
  5. The OEM filter is a Purolator Pure One. They are very high quality filters. Taller is good because it has more filter medium and will keep the oil cleaner, longer. As an FYI, the Mobil 1 M1-108 is the stock-size replacement, and the M1-110 is like twice the size (taller) and otherwise identical. The Mobil filters are of very high quality as well. Jeremy
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