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Who here runs an oil filter or oil pan magnet? #4506097
09/03/17 08:41 AM
09/03/17 08:41 AM
Joined: Mar 2008
Posts: 6,136
Michigan
ZZman Offline OP
ZZman  Offline OP
Joined: Mar 2008
Posts: 6,136
Michigan
I have been running oil filter magnets for years now. Cut some filters open and was surprised what they captured.
How about you guys?


2003 Mercury Grand Marquis. PP HM 5w-30 and Fram Ultra
2008 Sebring Hardtop convertible. PP HM 5w-30 and Fram Ultra
2006 Kawasaki Vulcan 900 LT. Motul 7100 10w-40 and K&N
Re: Who here runs an oil filter or oil pan magnet? [Re: ZZman] #4506114
09/03/17 08:55 AM
09/03/17 08:55 AM
Joined: Mar 2014
Posts: 3,478
NJ
Leo99 Offline
Leo99  Offline
Joined: Mar 2014
Posts: 3,478
NJ
Wouldn't what the magnet captured have also been captured by the filter media?


Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles (RIP)
2004 Corolla 125,000 miles
2004 Rav4 370,000 miles
2015 Camry 70,000 miles
Re: Who here runs an oil filter or oil pan magnet? [Re: ZZman] #4506129
09/03/17 09:17 AM
09/03/17 09:17 AM
Joined: Dec 2014
Posts: 81
Texas
40w8 Offline
40w8  Offline
Joined: Dec 2014
Posts: 81
Texas
I put a few strong magnets around oil filter.

We all have seen pics of powdered iron caught by these things.

These iron particles would go right through filter.

I'm not OCD about oil change, and haven't changed in 6 years, but only 6k miles.

Oil looks good and will get UOA next spring.

This is rotary engine RX8.

Re: Who here runs an oil filter or oil pan magnet? [Re: ZZman] #4506132
09/03/17 09:20 AM
09/03/17 09:20 AM
Joined: Feb 2012
Posts: 8,608
New England
Jarlaxle Offline
Jarlaxle  Offline
Joined: Feb 2012
Posts: 8,608
New England
My Caddy has a magnetic drain plug.


1979 Coupe de Ville, 542 stroker, winter storage frown
2011 Crown Vic P71, 5W-20 Super Tech, Super Tech
2011 Sportster 883, winter storage frown
Re: Who here runs an oil filter or oil pan magnet? [Re: ZZman] #4506135
09/03/17 09:23 AM
09/03/17 09:23 AM
Joined: Jun 2014
Posts: 1,951
Ca.
UncleDave Offline
UncleDave  Offline
Joined: Jun 2014
Posts: 1,951
Ca.
Run both.

Best supplemental filtering aid you can get.

Those super fine particles will go round and round through your filter and parts.

If Filtermag is to be believed running one of their units will result in a full ISO code drop or better which is significant improvement.

Pop one on a motorhome or marine engine, or tractor and you'll be amazed what a power plant under a sustained high load (not a regular car) will put out.


UD

Last edited by UncleDave; 09/03/17 09:25 AM.

Uncle Dave
Cat 3126/2 MB3500/Titan/RX400H/17 Ridgeline
700HP V10/ 725HP BBC/ Raptor 700/ KFX450/ YZ250/Onan 8K/ Cat3011C
Re: Who here runs an oil filter or oil pan magnet? [Re: ZZman] #4506136
09/03/17 09:23 AM
09/03/17 09:23 AM
Joined: May 2010
Posts: 9,478
out there
spasm3 Offline
spasm3  Offline
Joined: May 2010
Posts: 9,478
out there
Magnetic drain plugs, i recently made my own.

https://bobistheoilguy.com/forums/ubbthreads.php/topics/4465589/Re:_How_are_magnetic_drain_plu#Post4465589


13 elantra 72k 5w30 QSUD
03 chevy avalanche 80k synpwr 5w30
17 mazda cx-5 7300 miles m1 0w30
Re: Who here runs an oil filter or oil pan magnet? [Re: UncleDave] #4506217
09/03/17 10:54 AM
09/03/17 10:54 AM
Joined: May 2014
Posts: 1,398
Minnesota
philipp10 Offline
philipp10  Offline
Joined: May 2014
Posts: 1,398
Minnesota
Originally Posted By: UncleDave
Run both.

Best supplemental filtering aid you can get.

Those super fine particles will go round and round through your filter and parts.

If Filtermag is to be believed running one of their units will result in a full ISO code drop or better which is significant improvement.

Pop one on a motorhome or marine engine, or tractor and you'll be amazed what a power plant under a sustained high load (not a regular car) will put out.


UD


You realize that a 10 micron particle, which they readily filter at 95% is almost un-seeable....right?

Last edited by philipp10; 09/03/17 10:56 AM.
Re: Who here runs an oil filter or oil pan magnet? [Re: Leo99] #4506247
09/03/17 11:22 AM
09/03/17 11:22 AM
Joined: Mar 2008
Posts: 6,136
Michigan
ZZman Offline OP
ZZman  Offline OP
Joined: Mar 2008
Posts: 6,136
Michigan
Originally Posted By: Leo99
Wouldn't what the magnet captured have also been captured by the filter media?


I suppose that would depend on the quality of the filter and if it ever went into bypass mode or had a media or end cap failure.


2003 Mercury Grand Marquis. PP HM 5w-30 and Fram Ultra
2008 Sebring Hardtop convertible. PP HM 5w-30 and Fram Ultra
2006 Kawasaki Vulcan 900 LT. Motul 7100 10w-40 and K&N
Re: Who here runs an oil filter or oil pan magnet? [Re: ZZman] #4506272
09/03/17 11:56 AM
09/03/17 11:56 AM
Joined: Mar 2007
Posts: 1,687
NE
VNTS Offline
VNTS  Offline
Joined: Mar 2007
Posts: 1,687
NE
Run the gold drain plugs

Re: Who here runs an oil filter or oil pan magnet? [Re: ZZman] #4506306
09/03/17 12:50 PM
09/03/17 12:50 PM
Joined: Sep 2014
Posts: 2,179
US-WA
Dyusik Offline
Dyusik  Offline
Joined: Sep 2014
Posts: 2,179
US-WA
I have a magnet on the plug of each car, tranny and diffs included. Harley and my lawnmower does not have a plug, so the both have a magnet on the dipstick. I buy my own N52s, stack them onto the plug/or whatever else and epoxy them in place. I have lost a few magnets in the Jeep to the steel oil pan, hence the epoxy.


95 Cherokee 190K DELO 10W30, XG8
07 IS250 103K Napa 10w30, FULL
04 YZF-R1 19K DELO 15w40, XG7317
99 HD XL1200S 21K VR1 20w50, NG1515
14 RX450h 35k PP MIX, NG7047
Re: Who here runs an oil filter or oil pan magnet? [Re: VNTS] #4506349
09/03/17 01:51 PM
09/03/17 01:51 PM
Joined: Jun 2002
Posts: 1,942
Texas
Bud Offline
Bud  Offline
Joined: Jun 2002
Posts: 1,942
Texas
Originally Posted By: VNTS
Run the gold drain plugs


This is what I use.


2016 Honda Pilot EX-L with NAVI.....Mobil 1 0w20 AFE and Honda OEM Filter
Re: Who here runs an oil filter or oil pan magnet? [Re: philipp10] #4506355
09/03/17 02:00 PM
09/03/17 02:00 PM
Joined: Dec 2014
Posts: 1,684
'murica
Ethan1 Offline
Ethan1  Offline
Joined: Dec 2014
Posts: 1,684
'murica
Originally Posted By: philipp10
You realize that a 10 micron particle, which they readily filter at 95% is almost un-seeable....right?


A blood cell is microscopic, but you have seen blood... right?

Re: Who here runs an oil filter or oil pan magnet? [Re: ZZman] #4506358
09/03/17 02:06 PM
09/03/17 02:06 PM
Joined: May 2016
Posts: 718
Canada
i_hate_autofraud Offline
i_hate_autofraud  Offline
Joined: May 2016
Posts: 718
Canada
Yup!

I started to run FilterMags a few years ago after looking how much got caught in the transmission pan!

Iím using a PAIR of FilterMags and more neodymium bar magnets on the empty spaces around the filter
the FilterMags doesnít cover.

Over the years Iíve tried most major brands of oil filters, in each case the engine oil darkened just as quickly.
In vintage cars hi blow-by can allow soot to darken oil. In late model cars, blow-by is a lot less, itís mostly wear metals.

Iím up to 8 months before then engine oil darkens instead of 2 months! The UOA come back with lower metals across the board.
I figure with 50% less iron allowed to circulate in the oil then wear to other parts including lead babbit main bearings drops to.
So far lead is at < 1PPM - meaning ďtrace levelĒ only, kinda nice!

I use a drain plug mag too with a 1Ē long mag built in, but no accumulation on it for the last 3 years. My PPMs overall are fairly low anyway.

Since oil pan steel is .080Ē or thicker, magnets on outside of steel pan have little effect in the oil pan, plus you canít clean off
the inside. The steel shell of a spin-on filter is under .020Ē thick so FilterMags and bar mags work well, when get rid of the filter
you get rid of the metals too!

Since oil filters are specíd around 95% (at 20 microns) all the stuff picked up is way smaller and never gets caught in filter Ė just the magnets.

I tried whatís in this PDF, lots of good pics too:


FILTERMAG vs HOMEBREW
https://app.box.com/s/uxvu8dmscf5wcgftutdm0ejqwgn86tw7

Re: Who here runs an oil filter or oil pan magnet? [Re: ZZman] #4506364
09/03/17 02:14 PM
09/03/17 02:14 PM
Joined: Aug 2014
Posts: 616
WA
SnowDrifter Offline
SnowDrifter  Offline
Joined: Aug 2014
Posts: 616
WA
I have a magnetic plug. Can't say I've ever found anything stuck to it but it's there


2005 Tahoe - 135k
2003 Forester(the swagger wagon) - Rehomed
1999 Passat - Rehomed
Re: Who here runs an oil filter or oil pan magnet? [Re: ZZman] #4506391
09/03/17 02:57 PM
09/03/17 02:57 PM
Joined: Mar 2007
Posts: 1,687
NE
VNTS Offline
VNTS  Offline
Joined: Mar 2007
Posts: 1,687
NE
I have run the Goldplugs, always a small amount of gray paste on them when I drain the oil.

I would assume the filter mags work even better.

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