Monday, April 26, 2010

What Brand of Oil Filter do you like best? Fram, Wix, Purolator, Bosch, STP,AC Delco etc.?

there all the same inside its the fact that u change you oil and filter every time when required and keep up the maintenance that will save you engineWhat Brand of Oil Filter do you like best? Fram, Wix, Purolator, Bosch, STP,AC Delco etc.?
(None) the best brand of an oil filter is the car's brand or your car dealer (same) Report Abuse
What Brand of Oil Filter do you like best? Fram, Wix, Purolator, Bosch, STP,AC Delco etc.?
Engine oil filters have one purpose in life: to filter out the particles that enter the oil so that they don't act as abrasives when the oil recirculates. The filter is a cellulose (paper) or synthetic media that is usually contained in a steel can. The front of the can typically has a threaded center with surrounding holes. Oil enters through the surrounding holes, passes through the filter media, and exits through the threaded center. The filters usually screw right onto the engine block using an o-ring gasket to prevent leakage. Many filters have an anti-drainback valve to prevent dirty oil from backwashing back into the oil pan. They also have a pressure relief or bypass valve that will allow oil to bypass the filter element in the event that it becomes too plugged to pass enough oil. This prevents engine oil starvation and the possibility of destroying the element, possibly causing pieces of it and the junk it filtered to enter the engine. Also, when the oil is cold and very thick, it will tend to bypass the filter through the pressure relief valve because it cannot pass through the element until it thins out somewhat. If it did not do this, the filter element media would tear open.

A good filter has a strong steel can to withstand the high oil pressure (60-80psi when cold), an anti-drainback valve that actually works without creating too much backpressure, a pressure relief valve that doesn't leak, and a strong paper element and cap that can with stand the pressure and flow of oil without falling apart. The element media has to be able to trap small particles, but without restricting the flow too much. Cellulose (paper) media is used on economy filters and works OK. The fibers in the paper acts as a mesh to block particles down to a certain average size, while allowing the oil to pass through. Some manufacturers add other media, such as cotton, to the cellulose to improve its performance. There is synthetic fiber media for the high-end filters that has smaller passages to trap smaller particles, but can pass more fluid through it because it has more of them. There is also media that is a blend of these two. There are also ';depth'; filters that are usually made of synthetic material that has a passage size gradient to it. In other words, the deeper into the element the oil goes, the smaller the passages get. This way, large particles are trapped in a different spot than small particles, which allows the filter to hold more particles before it ';blocks'; (becomes too restrictive).

With all that said, go with the BEST oil and filters, and change once a year or 20,000 miles.鈥?/a>
my aunt and uncle are the owners/founders of fram, so i say fram. im, of course, partial.
Fram used to be good, but their filters have become smaller and less effective then they used to be.

WIX has always made good filters.

AC still makes good filters.

Bosch are too expensive and no better then American filters.

STP fiters are made by Fram they are no better and cost more. All STP products are over rated and over priced.


I buy my AC filters ( and Kendall oil) at an Auto Parts Store by the case, it saves money and I always have what I need on hand.
Nothing better than WIX, my family and I have used them for years and never had a problem.

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