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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / June 2007Best air filters?
Who makes the best air filters? Can you assume the quality of the air filter would be the same as their oil filters? >Who makes the best air filters? Can you assume the quality of the air >filter would be the same as their oil filters? OEM. > >Who makes the best air filters? Can you assume the quality of the air > >filter would be the same as their oil filters? > > OEM. Who do you think makes the OEM filters? >> >Who makes the best air filters? Can you assume the quality of the air >> >filter would be the same as their oil filters? >> >> OEM. > >Who do you think makes the OEM filters? The OEM filters are generally produced by the same manufacturer as the genuine filters, the only real difference being the box that they come in and of course the price! On the other hand, aftermarket companies buy the rights to reproduce copies of their OEM/genuine counterparts, typically manufactured with the same machinery and materials but often not designed in the same manner, sometimes being inferior in feel and fitment. Occasionally some aftermarket companies may yield a filter that excels in build quality and performance. > >Who do you think makes the OEM filters? > [quoted text clipped - 6 lines] > fitment. Occasionally some aftermarket companies may yield a filter > that excels in build quality and performance. Several companies (like Champion Laboratories and others) MAKE the OEM filters for most car manufacturers. They also make the filters for a number of "aftermarket"applications. Same filters in many cases. If, by OEM, you mean you should go to a dealership to buy a relabeled Champion filter, then step up and pay your money. >> >Who do you think makes the OEM filters? >> [quoted text clipped - 10 lines] > OEM filters for most car manufacturers. They also make the filters for a >number of "aftermarket"applications. Same filters in many cases. Semi true in a sense materials wise, however the filters are generally designed_and_tested by the auto manufacturer that is endorsing them before being introduced to the dealership. The dealer tested stock is not the same product you would acquire at lets say.. Napa or Carquest. >If, by OEM, you mean you should go to a dealership to buy a relabeled >Champion filter, then step up and pay your money. Parts purchased from a dealership would be considered *genuine*. OEM equipment on the other hand can be purchased from most parts supply stores. the same product you would acquire at lets say.. Napa or Carquest. > >If, by OEM, you mean you should go to a dealership to buy a relabeled > >Champion filter, then step up and pay your money. > > Parts purchased from a dealership would be considered *genuine*. OEM > equipment on the other hand can be purchased from most parts supply > stores. In many cases, these parts are IDENTICAL to the parts you purchase from a dealership, except for cosmetics. In some cases, aftermarket parts may be better. I cede the point that in some cases dealership parts are the only way to go. We've been using ACE Hardware brand air filters on our Johnson lawnmowers for 20+ years. : - ) Harryface Purolator or NAPA. Avoid Fram. > Purolator or NAPA. Avoid Fram. Not that I disagree, but why?  SignatureWe can't possibly imprison 300 million Americans for not paying their taxes, so let's grant all of them amnesty NOW! 20 years ago Fram made excellent filters. After a couple of corporate takeovers the quality vanished and they got a well deserved reputation for poor filters. I don't know about their quality now because I have not used any of there filters in over 10 years, since I had one of their oil filters that did not have any threads in it!! > > Purolator or NAPA. Avoid Fram. > > Not that I disagree, but why? SignatureMike Walsh West Palm Beach, Florida, U.S.A. > 20 years ago Fram made excellent filters. After a couple of corporate takeovers the quality vanished and they got a well deserved reputation for poor filters. I don't know about their quality now because I have not used any of there filters in over 10 years, since I had one of their oil filters that did not have any threads in it!! > >>> Purolator or NAPA. Avoid Fram. >> Not that I disagree, but why? Fram filters are just a good as others. >>20 years ago Fram made excellent filters. After a couple of corporate takeovers the quality vanished and they got a well deserved reputation for poor filters. I don't know about their quality now because I have not used any of there filters in over 10 years, since I had one of their oil filters that did not have any threads in it!! >> [quoted text clipped - 3 lines] >> > Fram filters are just a good as others. That's just as true as the statement "Ford cars are just as good as Porsches." nate Signaturereplace "roosters" with "cox" to reply. http://members.cox.net/njnagel >>>20 years ago Fram made excellent filters. After a couple of corporate takeovers the quality vanished and they got a well deserved reputation for poor filters. I don't know about their quality now because I have not used any of there filters in over 10 years, since I had one of their oil filters that did not have any threads in it!! >>> [quoted text clipped - 6 lines] > That's just as true as the statement "Ford cars are just as good as > Porsches." Now, now, he didn't specify which others. Maybe he meant K&N. SignatureWe can't possibly imprison 300 million Americans for not paying their taxes, so let's grant all of them amnesty NOW! >> 20 years ago Fram made excellent filters. After a couple of corporate >> takeovers the quality vanished and they got a well deserved [quoted text clipped - 6 lines] >> > Fram filters are just a good as others. Provided the FRAM filters are built to some automaker's exacting standards. FRAM is OEM to Honda Canada and has been for at least 15 years. I buy all the filters for my Integra at the local Honda dealer. I wouldn't trust FRAM's own standards as far as I could throw them. SignatureTegger > Who makes the best air filters? Can you assume the quality of the air > filter would be the same as their oil filters? Hastings or Wix brand. > Who makes the best air filters? Can you assume the quality of the air > filter would be the same as their oil filters? Air filters havent been as hot a topic around here as oil filters, and there is no clear cut and scientifically irrefutable information on the oil filters. I think we are at risk when we assume anything without proof. > Who makes the best air filters? Can you assume the quality of the > air > filter would be the same as their oil filters? You might look at http://www.bobistheoilguy.com/airfilter/airtest1.htm - not 100% perfect, but interesting. Ed > Who makes the best air filters? Can you assume the quality of the air > filter would be the same as their oil filters? One myth we need to talk about is the myth about dirty or restrictive air filters richening mixture and increasing fuel consumption. This WAS true in days of carburetors whose float bowls were vented to atmosphere. But emissions regs stopped this, and bowls were vented elsewhere. In FI cars the mixture does not depend on ratio between venturi pressure and outside ambient pressure anyway. If ambient pressure is sensed, it is sensed between AF and throttle, so a reduction in pressure there merely acts the same as an increase in altitude. Power is reduced slightly, but mixture is not richened substantially. Not saying dirty air filters are good, but they are not as bad as they used to be in terms of their effect. Millions of auto oil and air filters are sold every year. Why has there been few if any independent tests done? Any theories or ideas? Could it be that their performance is so similar that tests would only prove they are pretty much the same? > Millions of auto oil and air filters are sold every year. Why has there > been few if any independent tests done? Any theories or ideas? > > Could it be that their performance is so similar that tests would only > prove they are pretty much the same? I think that the real truth is that most name brand filters probably work reasonably well in most applications. However, I have no problem stating my opinion that certain brands like Wix, Mann, Mahle, Purolator etc. seem to be of *better* quality than others, such as Fram (which has had known problems in certain applications.) When the prices of all of them are so similar, there's really no reason not to buy the better quality unit. Now air filters are a lot simpler than oil filters (which is where my opinions of brand quality really come from) so realistically, if an air filter appears to be good, it probably is. I'll use Fram air filters for convenience reasons where I wouldn't touch their oil filters with a ten foot pole. However, given the choice, I'll grab the Wix or Purolator box every time. nate > Who makes the best air filters? Can you assume the quality of the air > filter would be the same as their oil filters? The best air filter in the world is one designed for your car, sold by the car dealer that is replaced regularly. > The best air filter in the world is one designed for your car, sold > by > the car dealer that is replaced regularly. I have read a couple of interesting article on large truck air filters. The gist of the articles was that many truckers are wasting money and actually causing more wear by replacing air filter too often. Most trucks (and my farm tractors) have pressure sensors designed to turn on a warning light when the air filter is contaminated enough to reduce air flow by a set amount. Apparently truckers tend to ignore this and change the filter more often (I know I do on the tractors). The thinking is that a new clean air filter is better than an old dirty one. It probably is from a flow standpoint, but not from a filtration standpoint. "Dirty" filters can filter better than new clean ones. In the old days restrictive air filters could really screw up a carburetor's balance and make an engine run very rich. For modern fuel injected engines, this is not the case. If you are not at wide open throttle, the throttle plate, not the air filter, will be the most restrictive element in the intake. The engine management system won't care that the filter is more restrictive and your fuel mileage won't be affected. Depending on the design and contamination of the filter, you might experience some power loss, but this will only be at wide open throttle. How often do you drive around at WOT? I know I rarely "floor" my accelerator. References: http://www.randallpub.com/ccj/ccjinnovators/maintenance_1.htm http://www.filtercouncil.org/techdata/tsbs/89-3R3.html http://autos.yahoo.com/maintain/repairqa/air_filters_oil/ques126_0.html http://www.visteon.com/utils/whitepapers/2005_01_1139.pdf http://www.filtercouncil.org/techdata/tsbs/04-3.html http://home.mindspring.com/~ed_white/id5.html Ed On Jun 1, 10:29 am, "C. E. White" <cewhi...@removemindspring.com> wrote: > > The best air filter in the world is one designed for your car, sold > > by [quoted text clipped - 28 lines] > > Ed Good advice on number 2 of your list of links. > > Who makes the best air filters? Can you assume the quality of the air > > filter would be the same as their oil filters? > > The best air filter in the world is one designed for your car, sold by > the car dealer that is replaced regularly. The best air filter is one designed for your car, and that is replaced at appropriate service intervals. |
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