Ford FL-820S Filter Alternatives

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Compared to the FL-820S, the Fleetguard LF3681 had an inferior anti-drain back valve (nitrile vs silicone for the FL-820S) and an inferior pressure relief valve and it cost more (plus it is not readily avaiable). The qulaity of the media was similar, at least in appearance. The Fleetuard media was slightly thicker, but the surface area was about the same. There is a Fleetguard FL-820S equivalent filter with "better" media avaialble - the LF16002. I have one of these on order. Prehaps you cut open one with the better media? My main knock against the Fleetguar LF3681 is the anti-drain back valve. It was nitrile and not even a good nirtile design (in my opinion). I would not use this filter on a Ford modular motor.

Ed
 
i have tried the fl16002 and saw the insides nice filter..it makes so much sense to put the bpv at the threads end of the filter whether or not its a ford..when in bypass,the oil goes right pass the whole thing instead of going around the insides of the filter..
...i sure would like to know which is so hard to find out what the psid(intial restriction) is for the fl820s and the psid flows in gpm....no one know what it is!!!
 
Ed,
Great site and thanks for your great effort. I will be doing
an oil change on my 07 Mustang GT in March when I take it out of storage it has the original filter from the factory only 500 miles on it. I will be more then happy to send it to you .
I can also post your request for the filter on some of the Mustang boards if you don't mind you might get one sooner if you already haven't.
You may not have a scientific review ,but I can tell you that 9 times out of 10 if something has quality on the inside it will more then likely outperform in any scientific test.
 
I recently purchased a new 2007 Ford Fusion with the 3.0L Duratech V-6. I changed the oil earlier this week and just cut open the used filter. Pictures of this OE fitler are at http://home.earthlink.net/~cewhite3nc/id16.html . My FL-820S Oil Filter comparison homepage is at http://home.mindspring.com/~ed_white/id7.html .

The OE Filter off my Fusion is clearly not the same as the Motorcraft FL-820S I purchased earlier this year at Wal*Mart. It has all the same features as that particular FL-820S Filter (silicone anti-drain back valve, base end relief valve, metal inner core and end caps, etc.). It is difficult to compare the used media in this filter to the media in a new FL-820S, but I believe the Motorcraft FL-820S aftermarket filter is slightly better. I have heard rumors that the FL-820S Filters currently for sale in some stores have changed, so I will be looking for a "new" one next week.

Ed
 
Quote:

i have tried the fl16002 and saw the insides nice filter..it makes so much sense to put the bpv at the threads end of the filter whether or not its a ford..when in bypass,the oil goes right pass the whole thing instead of going around the insides of the filter..
...i sure would like to know which is so hard to find out what the psid(intial restriction) is for the fl820s and the psid flows in gpm....no one know what it is!!!

Click to expand...


Those figures are only good in a comparative manner. It won't tell you the actual PSID and the resultant flow. You can't integrate it that way ..well, you can ..but it loses a whole lot of meaning in the engine.

Filter flows @ PSID, IIRC, are done with an ISO 150 fluid @ 100C (I may be wrong about the temp. That is, it's a 40 weight @ 40C and about a 10 weight, without figuring and IIRC, @ 100C. So you get XX flow at an applied pressure. However, PSID isn't absolute at a given flow rate. In a circuit with other resistive elements, like your engine, any resistance will be in proportion to each other. They both have to add up to 100% of applied pressure..and will be variable depending on viscosity and flow rate. So a filter that might have a manufacturer rating of 10gpm @ 10PSID into a ZERO pressure environment (that too is PSID) ..may have a PSID measured in inches of water column in an engine at the same flow rate ..at the same spec'd temp/visc.
 
NP ...but let me restate that so I'm not misunderstood. This isn't to say that the data/spec info is useless ..it just has to be put in perspective. The PSID flow data ..coupled with the Beta numbers and the holding capacity is pretty much the way to judge how good one filter is over another. I just didn't want anyone to get the wrong impression that if they're @ 10gpm of flow that they'll be @ 10 PSID if they happen to have the right weight fluid.

btw- I really wish they would just publish this data. Now it's not for the average consumer ..but we aren't average consumers.

cheers.gif
 
I was very impressed with the heavy duty quality of Fleetguard, but since I drive a Ford and Fleetguard does not have the base (threaded) end bypass, I don't use them. Fleetguard also has very high flow rates.
 
I wish someone could quantify the importance of the base end relief valve. All of the filter manufacturers claim their filters meet OEM requirements. However, except for Motorcraft and the Champion Encore style filters with the combined ADBV / relief valve, all of the FL-820s equivalent filters I have evaluated use dome end relief valves. So either the manufacturer's are not being honest, or Ford does not make the base end relief valve a requirement in thier filter specifications. If it is not required by Ford specifications, why do all the Ford fitlers include a base end relief valve? It is clearly a more expensive arrangement than the dome end relief valves used by other manufacturers.

Ed
 
ed, did you ever look for the new fl820s with large holes metal flow tube? they replaced most all of the older ones that was shown in your works.just curious to hear your opinion and to see what it looks like.
 
I have added two new filters to my web pages a Viper 2 and a Fleetguard LF3315. The Viper 2 is a direct replacement for an FL-820 made in China and sold in Canada. It is nothing special. The direct link for this for the pictures of this filter is http://home.earthlink.net/~cewhite3nc/id18.html . The Fleetguard LF3315 is potentially useful as a larger capacity FL820 replacement. The direct link for pictures of this filter is http://home.earthlink.net/~cewhite3nc/id19.html . I ahve not tried this filter on a Ford. If anyone has, I'd be interested in hearing how it worked out.
 
Is the filter media paper or a paper synthetic blend. I think I read that Ed said it was paper, but I have read in other places that the media is the same as the pure one, which would be a paper and synthetic blend, would it not?
 
Ed,

I read someplace that the "ADBV in base" was Ford's idea but Champ Labs patented it. Maybe it was disputed by Ford and Champ granted a license to Ford (gotta keep OEM Customer happy!).

I did a patent search on it once and Purolator name came up on it. It was just a quick search so I did not look further or study the patent much. Champs claims Ecore ADBV in base is patent pending, see http://www.champlabs.com/products/oilfilters.html

I don't think baseplate-end vs. dome-end is a big deal UNLESS the hangs completely vertical base up. If so I would be more concerned

But hey I've had excellent results with FRAM...so what do I know?
 
ford racing oil filter filters at 90% at 20u fleetguard lf 3315 filters at
55% at 30u and 98% at 62u...

i would say ford racing i have a case beautiful looking filter!!
 
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