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I did a investigation on some filters..I cut some apart to see what the guts look like and the Frams are some of the lowest quality filters out there. They do not contain anti-drainback valves


Of all the Fram's I've disected(at least a dozen) they have had a anti-drain back device. it's right at the front(screw on end) usually black in color, but have found an occasional blue one. please check your facts before bashing a product.
as for filter material I have seen little differance btwn the valvoline, napa(silverline), and fram.........Karl


When I get a chance, I'll measure the amount of filter material in both the Fram & the NAPA filter. I believe I cut apart 8 different oil filters...all with the same cross reference. I will use NAPA. I will also get a Fram Tough Guard and check that one also.

I know the regular Frams are just some pieces of cardboard for ends and a bit of filter material inbetween with an inferior anti-drainback valve...if its even able to be called that. The NAPA filter is all metal construction inside other then the filter material itself. Everything is nice and hefty.

Now granted, this is just my views from my experiences & research....not trying to cause battle... <img src="/forums/images/graemlins/kewl.gif" alt="" />