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#2540747 - 02/18/12 03:05 PM Microgard versus STP-- Cut Open (Ford 4.6/5.4)
2010_FX4 Online   content


Registered: 09/26/10
Posts: 3115
Loc: USA

Gang,

As promised, I have cut open one each of the O'Reilly Microgard and one of the Autozone STP filters. I have also opened the MC FL-820s from my last OC (7,480 miles); which you can see the details here Motorcraft FL-820s.

I did not pull the media apart and measure it and my post is merely to show the visual differences between the filters and hopefully to give people some information from which to make an informed decision regarding the use of them. I did try to place a tape measure in the photos to show a reference point when I could.

I also did not post any of the cans, but I am able to say the Motorcraft had the thickest metal, followed by STP, and then the Microgard. A Summit Racing Filter Cutter was used to cut all filters and it took less than 45 seconds for each of them. Very nice cutter for the price!

I am posting some group pictures, followed by the Microgard, and finally the STP. Apologies for the images that are sideways (not sure why ImageShack does this).

Enjoy!

Group Image 1:


Group Image 2:


Group Image 3:



Microgard Filter Element:


Microgard Filter (End):


Microgard ADBV (Nitrile?) Base Plate Side:


Microgard ADBV (Nitrile?) Filter Side:


Microgard Baseplate (Gasket Side):


Microgard Baseplate (Filter Side):


Microgard Bypass Plate (Filter Side):


Microgard Bypass Plate (Can Side)—Note the “valve”:


Microgard Filter Measurement (Side):


Microgard Filter Measurement (Top):


Microgard Can Measurement (Side):



STP Filter Element:


STP Filter (End):


STP ADBV (Nitrile?) Base Plate Side:


STP ADBV (Nitrile?) Filter Side:


STP Baseplate (Gasket Side):


STP Baseplate (Filter Side):


STP Bypass Plate (Filter Side):


STP Bypass Plate (Can Side)—Note the “valve”:


STP Filter Measurement (Side):


STP Filter Measurement (Top):


STP Can Measurement (Side):
_________________________
2010 F-150 FX4......M1 0W-20 SN EP + FU......(Last OC @ 136.7K)
2014 Explorer LTD....KENDALL GT-1 0W-20 SN + MC....(Last OC @ 15.0K)

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#2540757 - 02/18/12 03:21 PM Re: Microgard versus STP-- Cut Open (Ford 4.6/5.4) [Re: 2010_FX4]
tomcat27 Offline


Registered: 06/25/09
Posts: 2523
Loc: Midwest
very interesting.... somewhat scary... thanks!
_________________________
2015 Nissan Sentra, 2005 Starcraft Aurora 2410, 2002 Echo
2002 Intrepid, 2002 Liberty, 1998 Dodge B1500
1996 Sebring Jx, 1995 Jeep YJ, 1970 Cougar

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#2540772 - 02/18/12 03:52 PM Re: Microgard versus STP-- Cut Open (Ford 4.6/5.4) [Re: 2010_FX4]
Provi Offline


Registered: 11/29/11
Posts: 283
Loc: Dunbar, WV USA
Video I made of the STP filter

http://youtu.be/VQV1KAtPZh8
_________________________
02 VW Jetta TDI, Valvoline PBX 5w-40 15k mile OCI
12 Honda Civic Hybrid, Castrol Syn blend 0w-20

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#2540807 - 02/18/12 04:21 PM Re: Microgard versus STP-- Cut Open (Ford 4.6/5.4) [Re: 2010_FX4]
oppirs Offline


Registered: 03/23/09
Posts: 149
Loc: chicagoland
What's opinion? I think microgurds will go for a good for 3k. Tell me you thought on STP?
_________________________
2002 GMC Sierra 4x4 Z71
1989 Olds Cutlass Supreme SL
1986 HD FLHTC
1975 MGB

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#2540880 - 02/18/12 05:31 PM Re: Microgard versus STP-- Cut Open (Ford 4.6/5.4) [Re: 2010_FX4]
ltslimjim Offline


Registered: 08/06/10
Posts: 5143
Loc: PL&F
I'd take the microgard between these two, but only for short intervals. Approaching 5,000 or more is risque. No thanks. smile
_________________________
1992 Civic VX 275k+
HG replaced, waiting to sample

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#2541060 - 02/18/12 08:04 PM Re: Microgard versus STP-- Cut Open (Ford 4.6/5.4) [Re: 2010_FX4]
MuzzleFlash40 Offline


Registered: 06/20/11
Posts: 764
Loc: Ohio
I'll stick with my motorcraft and puro classics for our cars. Thanks for the info!
_________________________
06 Grand Marquis Ultimate W/ HPP - 104k
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Mobil 1 HM 5w20 & Wix
Napa Air Filters & Castrol Mercon V

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#2541078 - 02/18/12 08:17 PM Re: Microgard versus STP-- Cut Open (Ford 4.6/5.4) [Re: 2010_FX4]
johnachak Offline


Registered: 12/08/10
Posts: 1590
Loc: L.I. NY USA
Glad I only use the 820S on my Ford. Thanks for the post and the work.
_________________________
06 Ford Freestyle, MC / kendall syn 5w20 MC filter
09 CTS 3.6 D.I. AWD, M1 5w30 Delco filter
Every so often Penzoil Platinum in both.
JMH

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#2541082 - 02/18/12 08:24 PM Re: Microgard versus STP-- Cut Open (Ford 4.6/5.4) [Re: 2010_FX4]
jim302 Offline


Registered: 04/17/10
Posts: 329
Loc: Raleigh, NC USA
The Motorcraft is the best by far.

Between the STP (ecore) and the Microguard (FRAM), I guess I prefer the Microguard. I just feel there is less to go wrong with that design.
_________________________
2006.5 Kia Optima V6 - Valvoline 5w-20 - Kia 26300-35503 filter

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#2542327 - 02/19/12 09:33 PM Re: Microgard versus STP-- Cut Open (Ford 4.6/5.4) [Re: 2010_FX4]
steve20 Offline


Registered: 06/19/07
Posts: 3084
Loc: NJ
I'd take the used Motorcraft over a new STP or Microguard.


Thanks for the pictures--I would send em off to E-Bay as you previously suggested
_________________________
Love my 427 Chevy

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#2542516 - 02/20/12 07:22 AM Re: Microgard versus STP-- Cut Open (Ford 4.6/5.4) [Re: 2010_FX4]
Jim Allen Offline


Registered: 08/12/05
Posts: 4477
Loc: NW Ohio
2010FX4: Thanks for sacrificing a couple of filters for the general good. I had never been tempted to try either of these brands but your pics will forever prevent my reaching to that part of the shelf. Just highlights what true value is in the MC FL820s filters. If only they would add a premium media, life would be perfect.
_________________________
Jim Allen
Keepin' the Good Old Days of Four Wheeling Alive

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#2542660 - 02/20/12 10:28 AM Re: Microgard versus STP-- Cut Open (Ford 4.6/5.4) [Re: 2010_FX4]
Virtuoso Offline


Registered: 02/25/03
Posts: 2637
Loc: Cow town, NE
The STP's dome-end plate only holds the filter element in place. The actual bypass "valve" is built into the ADBV.

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#2543119 - 02/20/12 06:53 PM Re: Microgard versus STP-- Cut Open (Ford 4.6/5.4) [Re: Virtuoso]
ZeeOSix Offline


Registered: 07/22/10
Posts: 7425
Loc: PNW
Originally Posted By: Virtuoso
The STP's dome-end plate only holds the filter element in place. The actual bypass "valve" is built into the ADBV.


Known as the "Combination ADBV/Bypass Valve" ... which a lot of people don't like.
_________________________
A filter's brand name doesn't matter ... what's inside does.

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#2543214 - 02/20/12 08:14 PM Re: Microgard versus STP-- Cut Open (Ford 4.6/5.4) [Re: Virtuoso]
2010_FX4 Online   content


Registered: 09/26/10
Posts: 3115
Loc: USA
Originally Posted By: Virtuoso
The STP's dome-end plate only holds the filter element in place. The actual bypass "valve" is built into the ADBV.

Correct; I was copying and pasting and meant to edit that for the STP filter.
_________________________
2010 F-150 FX4......M1 0W-20 SN EP + FU......(Last OC @ 136.7K)
2014 Explorer LTD....KENDALL GT-1 0W-20 SN + MC....(Last OC @ 15.0K)

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#2543228 - 02/20/12 08:22 PM Re: Microgard versus STP-- Cut Open (Ford 4.6/5.4) [Re: Jim Allen]
2010_FX4 Online   content


Registered: 09/26/10
Posts: 3115
Loc: USA
Originally Posted By: Jim Allen
2010FX4: Thanks for sacrificing a couple of filters for the general good. I had never been tempted to try either of these brands but your pics will forever prevent my reaching to that part of the shelf. Just highlights what true value is in the MC FL820s filters. If only they would add a premium media, life would be perfect.

Thanks Jim; trying to do my part to increase the knowledge pool here at BITOG.

I did not really post an opinion, but since there has been ample time for all to comment, I will say that I would not use these filters even for a short run, I feel the quality is really poor in both of them.

On my FX4, the Microgard would be into the lower radiator hose a little (it is longer than the MC) and would require me to use two hands to install it--1 to hold the filter and 1 to move the hose.

We also have to keep in mind both of these filters are $3.59 at AZ and OR in my neck of the woods (when not on sale or in a special) and MCs are only $3.99 at both. IMHO $0.40 is hardly worth me worrying about to quality of the filter and the FL-820s is proven--tried and true.

I plan to exchange or eBay them, they will not be installed on my truck.
_________________________
2010 F-150 FX4......M1 0W-20 SN EP + FU......(Last OC @ 136.7K)
2014 Explorer LTD....KENDALL GT-1 0W-20 SN + MC....(Last OC @ 15.0K)

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#2543523 - 02/21/12 07:36 AM Re: Microgard versus STP-- Cut Open (Ford 4.6/5.4) [Re: 2010_FX4]
Jim Allen Offline


Registered: 08/12/05
Posts: 4477
Loc: NW Ohio
Originally Posted By: 2010_FX4


I plan to exchange or eBay them, they will not be installed on my truck.


Amen, brutha! If you hadn't had to buy them, and of course you wish to recoup the expense, they would make good targets.

Oh, by the way, stretch out on the couch there and explain to us what motivated an apparently rational BITOGer, and otherwise sensible man to buy a krapload of inferior filters? Hmmm, to vee haf some hidden issues here? ( : < )
_________________________
Jim Allen
Keepin' the Good Old Days of Four Wheeling Alive

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