K&N Oil Filter
#22
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I got a k&n with my last oil change before winter storage. Advance always had a oil and filter deal and its especially worth it with synthetic ($14filter & $25 oil for $33). Anyway I am not going to recommend the K&N again, mine came with the castrol deal. Needless to say i can easily see this sheet-metal "nut" that is welded on letting a socket slip on a over-tightened install (which would be easy to do using a 1/2 ratchet and 1" socket.)
If I were buying a filter alone I'd go with their purolator gold, the filter element is just as effective as mobil1 yet it is half the cost (and it had that fram like grit for hand tightening). Then only advantage the mobil1 has is more capacity i.e. more internal folds for those who choose to trust the 15,000mi claim. No thanks I'll stick to tried and true 3k oil changes
If I were buying a filter alone I'd go with their purolator gold, the filter element is just as effective as mobil1 yet it is half the cost (and it had that fram like grit for hand tightening). Then only advantage the mobil1 has is more capacity i.e. more internal folds for those who choose to trust the 15,000mi claim. No thanks I'll stick to tried and true 3k oil changes
#23
TECH Regular
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Since yu change out the filter everytime yu change the oil and it's not reusable like the air filter I don't really see it being worth the price. I used to work at AutoZone awhile back and a guy down the road cut open a fram, bosch, k&n, Mobil, and stp filter in half and surprisingly it turned out that the stp had the best filtering. Not worth the money in my opinion but everyone will have their preference and their brand they swear by. I prefer Mobil 1.Just my opinion
#24
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Anytime you have a filter, you have a pressure drop across it - that's plain physics.
The amount of this pressure drop will affect flow, and of course pressure itself. Think about your air filter - if you filtered down to 1 micron, the flow through the filter would be horrible. It would be clean air, but starving the engine.
There is always a tradoff in the filtering world, and that trade off is filtering size to filtering effeciency to flow to pressure drop. Increasing the overall filter material suface size is about the only thing we can look at from a consumer standpoint.
Technically a 'dirty' filter will actually filter better (meaning letting through only smaller material that it once did), but at the cost of reduced flow and pressure.
I, for one, always have to question these 'high flow' filters - is that due to the tradeoff of filtering size and efficiency?
We, as perfomance fans, want both flow, lack of pressure drop, and efficiency.
The amount of this pressure drop will affect flow, and of course pressure itself. Think about your air filter - if you filtered down to 1 micron, the flow through the filter would be horrible. It would be clean air, but starving the engine.
There is always a tradoff in the filtering world, and that trade off is filtering size to filtering effeciency to flow to pressure drop. Increasing the overall filter material suface size is about the only thing we can look at from a consumer standpoint.
Technically a 'dirty' filter will actually filter better (meaning letting through only smaller material that it once did), but at the cost of reduced flow and pressure.
I, for one, always have to question these 'high flow' filters - is that due to the tradeoff of filtering size and efficiency?
We, as perfomance fans, want both flow, lack of pressure drop, and efficiency.
#25
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I could be wrong but I always though K&N filters were Mobil 1 filters. I always use Wixt or AC Delco for piece of mind... I can't bring myself to use a Fram and never will. Once drove 5 miles to Autozone because the closest Walmart was out of AC filters... felt stupid for wasting the gas but I would have always worried about that Fram.
#26
TECH Fanatic
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I wouldn't use AC Delco filters any more, there quality dropped of quite a bit somewhere around 3 years ago. I was walking through the Wal-Mart automotive section and a friend of mine was working there, he showed me one of the old AC Delco filters from the back of the shelf, then a new one (yes same part #) fresh out of the box and they just weren't the same quality. If I had to buy a oil filter at Wal-Mart I'd probably just buy a Super Tech. They're made buy Champion Labs, the same company that makes, Mobil 1, K&N, Royal Purple, STP, TRD, Mopar, VW, Luber Finer, Champ, plus some that I've never heard of before, and I would expect they make other house brand filters also.